From owner-freebsd-net@FreeBSD.ORG  Sun Feb 19 11:59:34 2006
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Subject: route labels in pf.conf
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Hi,

on one 6.1-PRERELEASE box i found that pf.conf's manual page
mentions rtlabels :

           route <label>   Any address whose associated route has label
                           <label>.  See route(4) and route(8).

But it seems that this is OpenBSD specific, and not implemented in FreeBSD?
While it would be VERY cool to have this feature in FreeBSD, maybe
the manual page should be updated to not include it for now?

- --- pf.conf.5.orig      Sun Feb 19 13:49:27 2006
+++ pf.conf.5   Sun Feb 19 13:53:10 2006
@@ -1283,13 +1283,6 @@
 .Bl -tag -width xxxxxxxxxxxxxx -compact
 .It Ar any
 Any address.
- -.It Ar route <label>
- -Any address whose associated route has label
- -.Ar <label> .
- -See
- -.Xr route 4
- -and
- -.Xr route 8 .
 .It Ar no-route
 Any address which is not currently routable.
 .It Ar <table>
@@ -1383,7 +1376,6 @@
 pass in proto tcp from 10.0.0.0/8 port > 1024 \e
       to ! 10.1.2.3 port != ssh
 pass in proto tcp from any os "OpenBSD" flags S/SA
- -pass in proto tcp from route "DTAG"
 .Ed
 .It Ar all
 This is equivalent to "from any to any".
@@ -2734,7 +2726,7 @@
                  "from" ( "any" | "no-route" | "self" | host |
                  "{" host-list "}" | "route" string ) [ port ] [ os ]
                  "to"   ( "any" | "no-route" | "self" | host |
- -                 "{" host-list "}" | "route" string ) [ port ]
+                 "{" host-list "}" ) [ port ]

 ipspec         = "any" | host | "{" host-list "}"
 host           = [ "!" ] ( address [ "/" mask-bits ] | "<" string ">" )
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From owner-freebsd-net@FreeBSD.ORG  Sun Feb 19 15:14:43 2006
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Subject: Default gateway - wrong interface. !
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Hey guys,

I'm guessing that this is a bug (or feature!).

I've got a machine with a wlan interface (iwi0), with an ipv4 network
address and a default gateway.  I also have an ethernet card in the same
machine (em0) with the same IP address.  The idea is that I can bring
the wireless down, and the wired interface up to get fast transfers when
approriate, and be wireless the rest of the time.

That works fine, apart from the default gateway:

    # ifconfig iwi0 down
    # ifconfig em0 up
    # arp -ad
    # netstat -rn
    Internet:
    Destination        Gateway            Flags    Refs      Use  Netif
    Expire
    default            87.74.4.33         UGS         0      123   iwi0
    87.74.4.32/27      link#3             UC          0        0    em0
    87.74.4.33         00:90:d0:02:3f:16  UHLW        2        1    em0
    87.74.4.34         00:d0:b7:88:c8:20  UHLW        1  1191414    em0
    127.0.0.1          127.0.0.1          UH          0        2    lo0

Notice, the local subnet is off the em0, but the default route is still
wired off the iwi0.

    # route delete default
    # route add default 87.74.4.33
    # netstat -rn
    Internet:
    Destination        Gateway            Flags    Refs      Use  Netif
    Expire
    default            87.74.4.33         UGS         0      123   iwi0
    87.74.4.32/27      link#3             UC          0        0    em0
    87.74.4.33         00:90:d0:02:3f:16  UHLW        2        1    em0
    87.74.4.34         00:d0:b7:88:c8:20  UHLW        1  1191414    em0
    127.0.0.1          127.0.0.1          UH          0        2    lo0

The default route is _still_ off iwi0; but should be off em0.

There's obviously something dumb doing on here.  Why does the default
route have to be nailed to an interface?  It's clear that 87.74.4.33 is
available from em0 as far as the routing table is concerned.

Joe

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From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 08:33:23 2006
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Subject: wireless pc/usb-card support in FreeBSD 6.0
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Hi,

 Can somebody recommend me what pc-card or UBS adapter I shall buy for my 
FreeBSD 6.0 laptop? I am not sure what is supported and what is not. There 
are several model available for purchasing, does anybody use any of them?

NETGEAR:
 WG-511, WG-511T

BELKIN:
 F5D7010YY 802.11g, F5D7011 802.11g claimed backward compatible with 802.11b

CANYON:
 CN-WF513 802.11b/g

D-LINK:
 	DWL-610 11Mbps 802.11b, DWL-G650+ 11/22/54Mbps 802.11b/g, D-Link DWL-G650 
11/54/108Mbps 802.11b/g, DWL-G630 802.11b/g

GIGABYTE 802.11b/g 108Mbps

SITECOM WL-112 54Mbps


 Also what about USB2.0 wireless adaptors like:
NETGEAR NGWG111 802.11b/g, Netgear WG121GE/WG111IS, GIGABYTE 802.11g, SITECOM 
WL-113 
 


Thanks!

/Alexander Konovalenko

+46-8-5537-8142 (office)
+46-7-3752-2116
http://daemon.nanophys.kth.se/~kono

Royal Institute of Technology (KTH)
Nanostructure Physics Department, Albanova
Roslagstullsbacken 21
10691 Stockholm
Sweden


From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 08:45:05 2006
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Niki Denev wrote:
> Hi,
> 
> on one 6.1-PRERELEASE box i found that pf.conf's manual page
> mentions rtlabels :
> 
[...]

Filed as PR docs/93590


- --niki

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From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 11:02:43 2006
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Current FreeBSD problem reports
Critical problems
Serious problems

S  Submitted   Tracker     Resp.       Description
-------------------------------------------------------------------------------
o [2006/01/30] kern/92552  net         A serious bug in most network drivers fro

1 problem total.

Non-critical problems

S  Submitted   Tracker     Resp.       Description
-------------------------------------------------------------------------------
o [2003/07/11] kern/54383  net         [nfs] [patch] NFS root configurations wit

1 problem total.


From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 11:15:59 2006
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Subject: Re: Race condition in ip6_getpmtu (actually gif)?
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>>>>> On Thu, 26 Jan 2006 20:05:28 -0600, 
>>>>> Craig Boston <craig@olyun.gank.org> said:

>> I seem to be running into a race condition in ip6_getpmtu.  I've been
>> having sporadic panics recently -- sometimes the machine will last a
>> week, sometimes it'll panic twice in a day.  The backtrace is always the
>> same:

(snip)

> Attached is a quick hack to protect the cached route with a mutex.  A
> better fix with less overhead would be to allocate the route in a local
> variable on the stack, and only copy it to the softc if route caching is
> enabled.  I'll run for a couple weeks with the patch and file a PR if
> that fixes it.

I guess this problem was fixed with the following changes:

http://www.jp.freebsd.org/cgi/cvsweb.cgi/src/sys/net/if_gif.c.diff?r1=1.57&r2=1.58
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/in6_gif.c.diff?r1=1.23&r2=1.24

But I'll be happy to look at the problem more closely if not.

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei@isl.rdc.toshiba.co.jp

From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 11:57:41 2006
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Subject: Re: Changing time causes ipv6 panics
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>>>>> On Sun, 12 Feb 2006 14:56:44 -0800, 
>>>>> Doug Barton <dougb@FreeBSD.org> said:

>> Could you try the patch attached below?  

> I probably should have mentioned this earlier, but I started testing this
> patch on HEAD and RELENG_6 shortly after you sent it, and I haven't been
> able to reproduce the panic I was seeing, either accidentally or on purpose. :)

That's a good news, but do you mean the panic you mentioned before
(copied below)?

>>>>> On Tue, 24 Jan 2006 01:31:35 -0800, 
>>>>> Doug Barton <dougb@FreeBSD.org> said:

> FYI, I'm using the same, and see panics when I'm using IPv6, although I
> haven't got it to dump yet (I'm always in X when it happens). I did find a
> way to semi-reliably trigger the reboot though.

> 1. Set up IPv6 and RA on my local switch
> 2. Configure an IPv6 address on my interface using rtsol
> 3. Open a connection to a remote host over IPv6
> 4. Suddenly withdraw the route on the switch (powering it down works)
> 5. Boom

If so, it's surprising that my patch fixes it as well, since the above
procedure does not seem to be related to address lifetimes...

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei@isl.rdc.toshiba.co.jp

From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 17:36:20 2006
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After about 9 months of messing around with two servers with em(4) gigabit
cards and having continual problems with them randomly stopping working,
particularly under reasonably heavy load, I think I have finally come to
the conclusion that they don't work very well with the Asus A7V8X-X Socket
A motherboard. [1]

I think it might therefore be time to try a different motherboard. Can any
body recommend a board that works well with em(4)? I'm looking for a
socket A board so I can keep the current Duron 1800, or possibly a Socket
754 or 939. Don't really care about the rest of the specifications though
price is quite important (don't want onboard RAID or SCSI or anything
fancy).

Thanks for any advice.

[1 - I've tried everything: various patches; FreeBSD 4, 5 and 6; changing
the interrupt mode in the BIOS from ACIC to PIC; disabling ACPI...]

-- 
Cheers, Chris Howells -- howells@kde.org
Web: http://www.kde.org.uk, PGP ID: 0x33795A2C
KDE/Qt Developer: http://www.kde.org




From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 18:59:34 2006
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JINMEI Tatuya / $B?@L@C#:H wrote:

> That's a good news, but do you mean the panic you mentioned before
> (copied below)?

Yes. It still hasn't happened in a long time, so even if it's coincidence,
I'll take it. :)

Doug

-- 

    This .signature sanitized for your protection


From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 19:38:05 2006
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Hi Jack,

On Mon, February 20, 2006 7:04 pm, Jack Vogel wrote:
> I can't really help you with the AMD motherboard, dont get much chance to
> work with them at Intel :)

Lol. I did wonder if the Intel NICs might be programmed to do this in
protest at being in a board with a Via chipset and AMD CPU ;)

Going down the Intel-everything route is something I considered but
unfortunately I can't afford a Pentium D and I'm hesitant at using a
Pentium 4 without powersaving in servers on 24x7.

> However, I wondered exactly what NIC you have?

OK, one of the machines (the one running 6.0-REL) has a:

em0@pci0:19:0:  class=0x020000 card=0x10028086 chip=0x10268086 rev=0x04
hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82545GM Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet

(64 bit PCI card running in a 32 bit slot)

The other (the one running 6.1 pre) has a:

em0@pci0:13:0:  class=0x020000 card=0x002e8086 chip=0x100e8086 rev=0x02
hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82540EM Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet

> And have you tried taking the tip of tree driver, Scott and others have
> been
> hard at work tweaking it. I can't swear that we are 100% yet, but you
> should give that a try before a whole motherboard swap :)

You are talking about the 7.0 current driver I assume? That sounds like a
good idea especially if it's had lots of improvements. I'll give that a go
in a day or two hopefully.

It also occurred to me that I haven't experimented with polling, so I'm
doing that now on one of the machines.

Thanks.

-- 
Cheers, Chris Howells -- howells@kde.org
Web: http://www.kde.org.uk, PGP ID: 0x33795A2C
KDE/Qt Developer: http://www.kde.org




From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 19:40:58 2006
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From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 20:48:37 2006
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I am using the Netgear WG511 v2 with NDIS drivers, works without any
problem.

Andreas

Am Montag, den 20.02.2006, 09:33 +0100 schrieb Alexander Konovalenko:
> Hi,
> 
>  Can somebody recommend me what pc-card or UBS adapter I shall buy for my 
> FreeBSD 6.0 laptop? I am not sure what is supported and what is not. There 
> are several model available for purchasing, does anybody use any of them?
> 
> NETGEAR:
>  WG-511, WG-511T
> 
> BELKIN:
>  F5D7010YY 802.11g, F5D7011 802.11g claimed backward compatible with 802.11b
> 
> CANYON:
>  CN-WF513 802.11b/g
> 
> D-LINK:
>  	DWL-610 11Mbps 802.11b, DWL-G650+ 11/22/54Mbps 802.11b/g, D-Link DWL-G650 
> 11/54/108Mbps 802.11b/g, DWL-G630 802.11b/g
> 
> GIGABYTE 802.11b/g 108Mbps
> 
> SITECOM WL-112 54Mbps
> 
> 
>  Also what about USB2.0 wireless adaptors like:
> NETGEAR NGWG111 802.11b/g, Netgear WG121GE/WG111IS, GIGABYTE 802.11g, SITECOM 
> WL-113 
>  
> 
> 
> Thanks!
> 
> /Alexander Konovalenko
> 
> +46-8-5537-8142 (office)
> +46-7-3752-2116
> http://daemon.nanophys.kth.se/~kono
> 
> Royal Institute of Technology (KTH)
> Nanostructure Physics Department, Albanova
> Roslagstullsbacken 21
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From owner-freebsd-net@FreeBSD.ORG  Mon Feb 20 21:12:57 2006
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From: Andreas Lattka <andreas@lattka.de>
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Subject: Cannot unload if_ath kernel module / machine does not shut down
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Hello All there,

I have got a shiny new Sony Vaio VGN-FS415E, installed FBSD6, (FreeBSD
6.0-RELEASE-p4). For wireless connection there is built in an Atheros
5212 chip. I configured the kernel conf file to include all the atheros
modules according to the man ath:

device	ath
device	ath_hal
device	ath_rate_onoe,

all works well until the machine is to be shutdown. When I enter halt
-p, or reboot, the machine starts to shut down, but stops, after the
uptime message is displayed. Nothing more happens, I have to manually
switch off the machine. The next time I switch on the machine, the oss
sound will crash the machine.

I did remember, that I had no problem to shut down the machine when the
ath modules were not used, so I cleared the ath modules from the kernel
conf file and did include if_ath into the loader.conf. Again, all is
going well until shutdown. Same bad behaviour. Then I tried to manually
unload the ath modules, only ath_rate module can be unloaded, ath_hal
gives device busy, and trying to unload the if_ath will freeze the
machine. I confirmed that the Atheros 5211 is working well, 5212 give
those problems.
Does anybody have any idea how to unload the if_ath module?

Thank you!

Andreas


From owner-freebsd-net@FreeBSD.ORG  Tue Feb 21 00:50:02 2006
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Date: Tue, 21 Feb 2006 01:49:14 +0100
From: Joerg Pernfuss <elessar@bsdforen.de>
To: net@FreeBSD.org
Message-ID: <20060221014914.7f8de7d1@loki>
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Cc: Andre Oppermann <andre@FreeBSD.org>, Ruslan Ermilov <ru@FreeBSD.org>
Subject: Re: [FIX] dummynet breaks IP reassembly
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Hi,
=20
on the german questions list someone encountered 'ip reassembly time
exceeded' errors on his router running 5.4-RELEASE. Looking at the
ip_id of the packets, it seemed like the same error.
=20
Here is a naive RELENG_5 adaption of Ruslan's patch for RELENG_6 -
sadly the user already started upgrading to FreeBSD6 by the time
I had this patch ready, so it is untested (and I don't exactly know
if one has to fix more than that).


--- ip_dummynet.c       Tue Feb 21 01:01:23 2006
+++ ip_dummynet.c       Tue Feb 21 01:13:00 2006
@@ -453,7 +453,7 @@
        DUMMYNET_UNLOCK();
        switch (pkt->dn_dir) {
        case DN_TO_IP_OUT:
-           (void)ip_output(m, NULL, NULL, pkt->flags, NULL, NULL);
+           (void)ip_output(m, NULL, NULL, IP_FORWARDING, NULL, NULL);
            break ;

        case DN_TO_IP_IN :
@@ -1128,7 +1128,6 @@
  *             NULL in ip_input, destination interface in ip_output,
  *             real_dst in bdg_forward
  * rule                matching rule, in case of multiple passes
- * flags       flags from the caller, only used in ip_output
  *
  */
 static int
@@ -1212,8 +1211,6 @@
     pkt->dn_dir =3D dir ;

     pkt->ifp =3D fwa->oif;
-    if (dir =3D=3D DN_TO_IP_OUT)
-       pkt->flags =3D fwa->flags;
     if (q->head =3D=3D NULL)
        q->head =3D m;
     else
--- ip_dummynet.h       Tue Feb 21 01:24:10 2006
+++ ip_dummynet.h       Tue Feb 21 01:28:26 2006
@@ -129,7 +129,6 @@

     dn_key output_time;                /* when the pkt is due for delivery=
     */
     struct ifnet *ifp;         /* interface, for ip_output             */
-    int flags ;                        /* flags, for ip_output (IPv6 ?)   =
     */
 };
 #endif /* _KERNEL */

--- ip_fw.h     Tue Feb 21 01:25:14 2006
+++ ip_fw.h     Tue Feb 21 01:26:16 2006
@@ -435,8 +435,6 @@
        struct ip_fw    *rule;          /* matching rule                */
        struct ether_header *eh;        /* for bridged packets          */

-       int flags;                      /* for dummynet                 */
-
        struct ipfw_flow_id f_id;       /* grabbed from IP header       */
        u_int32_t       retval;
        struct inpcb    *inp;


Regards, Joerg

--=20
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From owner-freebsd-net@FreeBSD.ORG  Tue Feb 21 02:21:33 2006
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Date: Tue, 21 Feb 2006 02:21:28 -0000 (GMT)
From: "Chris Howells" <howells@kde.org>
To: "Jack Vogel" <jfvogel@gmail.com>
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Subject: Re: Which motherboards work well with em(4)?
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On Tue, February 21, 2006 1:49 am, Jack Vogel wrote:

>> Lol. I did wonder if the Intel NICs might be programmed to do this in
>> protest at being in a board with a Via chipset and AMD CPU ;)
>
> Nah, not at all. There is a certain OEM that has a large number of
> AMD based servers and they buy Intel LOMs to put on their system
> boards (they are named after that big yellow ball in the sky :).

Hah.

> hmm, well these arent anything bleeding edge, so isnt any hardware
> issues that occur to me

OK. I have reported this problem in the past and a few people like Gleb
Smirnoff and Christian Peron have helped in diagnosing and providing
patches. The problem always seems to be fixed then comes back some
unspecified time later. According to an email from Christian earlier today
I am the only person still reporting the problem :(

Since they are different ethernet controllers I am wondering if it could
be the motherboard failing to deal with the interrupts, or maybe even the
ethernet switch. Polling appears not to help though. The switch is a cheap
SMC EZ 5 port, I've been comtemplating getting a cheap 5 port 3Com switch
from eBay to test.

> Yes, although after I sent this email i noticed a couple reports of panics
> that made me a bit leary.

I'm installing -current on a spare disk at the moment, so hopefully I'll
have a go with it shortly.

> It sounds like you have transmission hangs, about how frequently is
> this happening, and is there any other info about the situation that
> you can characterize? Like is the NIC running at gig speed, or is it
> lower, full duplex, etc etc...

It's really hard to explain because it's a very intermittent. But both
NICs are connected to the same 5 port switch SMC EZ GigE switch. They are
both in auto negotiate mode (I tried forcing full duplex but it didn't
make any difference).

My network layout is something like this:

  Windows XP PC, nVidia GigE
         |
    SMC EZ GigE Switch
         |
   SMC EZ GigE Switch  -------`
  |           |                |
6.0-REL     6.1-pre           Netgear 100MBit switch
machine     machine


The cards just stop passing any data, seemingly at random. 'ifconfig em0
down; ifconfig em0 up' fixes it, as does, IIRC, unplugging the ethernet
cable from the switch and plugging it in again. The cable is cat5e, quite
short (less than 1m), and I've tried various other cables without success.

Plugging the machine into the 100Mbit switch instead seems to prevent the
problem from occurring, so it seems to only be higher GigE speeds which
cause it.

For instance, a couple of days ago I was restoring some data from a tape
accross the network, probably maxed out at 3Meg. After a few minutes the
receiving card just wedged. Not particularly intensive.

On the other hand this afternoon I was testing and successfully copied 8GB
or so of data from the XP machine to the machine running 6.1-pre. So I
started transferring the same lot of data to another folder on the samba
share and very soon after it wedged.

Basically completely unpredictable. :(

Thanks.

-- 
Cheers, Chris Howells -- howells@kde.org
Web: http://www.kde.org.uk, PGP ID: 0x33795A2C
KDE/Qt Developer: http://www.kde.org




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From: Ruslan Ermilov <ru@freebsd.org>
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On Tue, Feb 21, 2006 at 01:49:14AM +0100, Joerg Pernfuss wrote:
> Hi,
> =20
> on the german questions list someone encountered 'ip reassembly time
> exceeded' errors on his router running 5.4-RELEASE. Looking at the
> ip_id of the packets, it seemed like the same error.
> =20
> Here is a naive RELENG_5 adaption of Ruslan's patch for RELENG_6 -
> sadly the user already started upgrading to FreeBSD6 by the time
> I had this patch ready, so it is untested (and I don't exactly know
> if one has to fix more than that).
>=20
Sorry, I won't be committing this myself to RELENG_5 mostly due
to lack of time to manage four branches (I still care about
RELENG_4 for job reasons).  I guess you'll have to find another
interested committer.  The full commit was made to RELENG_6
where it covered everything that needed to be patched.


Cheers,
--=20
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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Date: Tue, 21 Feb 2006 11:51:11 -0000 (GMT)
From: "Chris Howells" <howells@kde.org>
To: "Jack Vogel" <jfvogel@gmail.com>
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Subject: Re: Which motherboards work well with em(4)?
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Hi Jack,

On Tue, February 21, 2006 4:23 am, Jack Vogel wrote:

>> Since they are different ethernet controllers I am wondering if it could
>> be the motherboard failing to deal with the interrupts, or maybe even
>> the
>> ethernet switch. Polling appears not to help though. The switch is a
>> cheap
>> SMC EZ 5 port, I've been comtemplating getting a cheap 5 port 3Com
>> switch
>> from eBay to test.
>
> This is always a real possibility, however you have two systems with
> Intel gig nics and both are having this happen, so unless the motherboards
> are identical that seems unlikely.

The systems do have the same motherboards and processors -- Asus A7V8X-X
and a Duron 1800. The other components differ slightly, e.g. one has a
SCSI card and tape drive and more RAM, but there isn't a vast difference.
I believe they both have the most recent BIOSes.

> Hmm, so its not hanging on transmit, its on receive according to what
> you are describing? Is that consistent?

Oh yes sorry, should have clarified that. Correct, it hangs on receive,
consistently -- never ever on transmit. Though the conditions to cause it
to hang on rx are sadly somewhat unpredictable. I haven't seen the problem
really since before Christmas until recently when I've seen it quite a
lot. But then again I am transferring more data around at the moment due
to trying to recover from a hard disk failure in the 6.1-pre machine.

-- 
Cheers, Chris Howells -- howells@kde.org
Web: http://www.kde.org.uk, PGP ID: 0x33795A2C
KDE/Qt Developer: http://www.kde.org




From owner-freebsd-net@FreeBSD.ORG  Tue Feb 21 12:42:10 2006
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Subject: Re: bind9 + host command issue in FreeBSD-5.4
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Hi Doug,

first of all I want to thank you for your reply.

The domain I referred before belongs to a bank in Brazil and usually it's
hard to get anything from those guys so I've found a workaround and put
their 'MX' IP in our mailertable and now it worked fine.
Also, I've tried many things like:

1) define(`confBIND_OPTS', `WorkAroundBrokenAAAA') in sendmail.mc (seems
default in FreeBSD) - didn't help;
2) disable IPv6 in sendmail. It stopped listening IPv6 but didn't stop
asking for AAAA records;

I couldn't find a way to stop sendmail from trying to get AAAA records and
I cannot reboot this server to disable IPv6 in kernel so I'm gonna stick
with this workaround until the guys from that domain correct it.

About the host command, I know it's only a tool for quick use, not for
debugging, and it seems to ask for AAAA record even if you specify '-t a',
see:

# host -t a cauexcnt001smtp.unibanco.com.br.
cauexcnt001smtp.unibanco.com.br has address 200.174.81.243
Host cauexcnt001smtp.unibanco.com.br not found: 2(SERVFAIL)

18762+ A? cauexcnt001smtp.unibanco.com.br. (49)
18762 1/2/2 (141)
42313+ AAAA? cauexcnt001smtp.unibanco.com.br. (49)
42313 ServFail 0/0/0 (49)
40925+ MX? cauexcnt001smtp.unibanco.com.br. (49)
40925 0/0/0 (49)

Best regards,
Tobias.


tpeixoto@widesoft.com.br wrote:
> >> Hello all!
> >>
> >> I am not sure if this is the right place to discuss this issue
>
>For future reference, the bind-users list at ISC is probably a better forum,
>but this is as good as any.  :)
>
> >> but I am
> >> experiencing strange behaviour with bind9 + host command with some
domains
> >> that bind are _not_ authoritative
>
>I assume you mean domains for which you are not authoritative, in other
>words, domains you have no control over.
>
> >> as the following example:
> >>
> >> # uname -a
> >> FreeBSD server2.mydomain.com.br 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Wed
> >> Feb  1 22:18:04 BRST 2006
> >> root@server2.mydomain.com.br:/usr/src/sys/i386/compile/SERVER2  i386
> >>
> >> # named -v
> >> BIND 9.3.1
>
>When 5.5-RELEASE comes out (or better yet, 6.1-RELEASE) you should seriously
>consider upgrading. If you are doing anything mission critical that depends
>on DNS, BIND 9.3.2 is going to be an improvement for you.
>
> >> # host cauexcnt001smtp.unibanco.com.br.
> >> cauexcnt001smtp.unibanco.com.br has address 200.174.81.116
> >> Host cauexcnt001smtp.unibanco.com.br not found: 2(SERVFAIL)
>
>The second line is caused because there is no AAAA record for that hostname,
>and by default host always queries for one. You can see that things are fine
>with the hostname itself by using 'host -t a', or by using dig as you did
>below. FYI, if you need to do any kind of serious DNS debugging, dig is
>always the best tool to use. The host command is best for simple lookups
>when you just need the answer.
>
> >> That's the problem! host command replies with SERVFAIL. This also causes
> >> sendmail to raise "host name lookup failure" and not deliver the
messages.
>
>sendmail does not use the host command. The most likely cause for this
>failure is that the A record for cauexcnt001smtp.unibanco.com.br has a 0
>second TTL, which is not only stupid, it's extremely unfriendly. It's also
>possible that your system has IPv6 support enabled, but you don't have IPv6
>connectivity, and/or your sendmail is configured to use (or prefer) IPv6
>addresses. Also, if you have any input into the operation of this zone,
>suggest that they increase the TTL, and add an MX record for that hostname
>(even if it points to itself).
>


From owner-freebsd-net@FreeBSD.ORG  Tue Feb 21 14:47:21 2006
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From: "Jack Vogel" <jfvogel@gmail.com>
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Subject: Re: Which motherboards work well with em(4)?
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On 2/20/06, Chris Howells <howells@kde.org> wrote:
>
> > hmm, well these arent anything bleeding edge, so isnt any hardware
> > issues that occur to me
>
> OK. I have reported this problem in the past and a few people like Gleb
> Smirnoff and Christian Peron have helped in diagnosing and providing
> patches. The problem always seems to be fixed then comes back some
> unspecified time later. According to an email from Christian earlier toda=
y
> I am the only person still reporting the problem :(
>
> Since they are different ethernet controllers I am wondering if it could
> be the motherboard failing to deal with the interrupts, or maybe even the
> ethernet switch. Polling appears not to help though. The switch is a chea=
p
> SMC EZ 5 port, I've been comtemplating getting a cheap 5 port 3Com switch
> from eBay to test.

This is always a real possibility, however you have two systems with
Intel gig nics and both are having this happen, so unless the motherboards
are identical that seems unlikely.


>
> > It sounds like you have transmission hangs, about how frequently is
> > this happening, and is there any other info about the situation that
> > you can characterize? Like is the NIC running at gig speed, or is it
> > lower, full duplex, etc etc...
>
> It's really hard to explain because it's a very intermittent. But both
> NICs are connected to the same 5 port switch SMC EZ GigE switch. They are
> both in auto negotiate mode (I tried forcing full duplex but it didn't
> make any difference).
>
> My network layout is something like this:
>
>   Windows XP PC, nVidia GigE
>          |
>     SMC EZ GigE Switch
>          |
>    SMC EZ GigE Switch  -------`
>   |           |                |
> 6.0-REL     6.1-pre           Netgear 100MBit switch
> machine     machine
>
>
> The cards just stop passing any data, seemingly at random. 'ifconfig em0
> down; ifconfig em0 up' fixes it, as does, IIRC, unplugging the ethernet
> cable from the switch and plugging it in again. The cable is cat5e, quite
> short (less than 1m), and I've tried various other cables without success=
.
>
> Plugging the machine into the 100Mbit switch instead seems to prevent the
> problem from occurring, so it seems to only be higher GigE speeds which
> cause it.
>
> For instance, a couple of days ago I was restoring some data from a tape
> accross the network, probably maxed out at 3Meg. After a few minutes the
> receiving card just wedged. Not particularly intensive.
>
> On the other hand this afternoon I was testing and successfully copied 8G=
B
> or so of data from the XP machine to the machine running 6.1-pre. So I
> started transferring the same lot of data to another folder on the samba
> share and very soon after it wedged.

Hmm, so its not hanging on transmit, its on receive according to what
you are describing? Is that consistent?

From owner-freebsd-net@FreeBSD.ORG  Tue Feb 21 16:46:10 2006
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On Tue, 21 Feb 2006 13:11:02 +0200
Ruslan Ermilov <ru@freebsd.org> wrote:

> Sorry, I won't be committing this myself to RELENG_5 mostly due
> to lack of time to manage four branches (I still care about
> RELENG_4 for job reasons).  I guess you'll have to find another
> interested committer.  The full commit was made to RELENG_6
> where it covered everything that needed to be patched.

Alright, I'll go have a look around.

Just for the archive's sake, the patch covers the ipv4 case and
I am unsure about ipv6, although it seems to me, that there is no
dummynet ipv6 support in RELENG5.

	Joerg
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Hi,


I am having a problem where it appears that the queue speed is 1/10th of
the desired number. I have this simple setup on a bridge and can not get
any more than about 1700 Bps with a http download (roughly 12Kbits).

 altq on sis0 cbq bandwidth 256Kb queue { std_in }
 queue std_in    bandwidth 128Kb  cbq(default)
 
 pass  out on sis0 proto tcp from any to any queue std_in


It looks very much like the bandwidth number in the kernel is screwy. 

# uname -a
FreeBSD  6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #0: Tue Feb 21 20:03:03 NZDT 2006
thompsa@yyy.org.nz:/usr/obj/nanobsd.full/usr/home/thompsa/scratch/nanobsd/src/sys/NET4801
i386


cheers,
Andrew


From owner-freebsd-net@FreeBSD.ORG  Wed Feb 22 08:43:49 2006
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From: Andrew Thompson <thompsa@freebsd.org>
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On Wed, Feb 22, 2006 at 06:44:41PM +1300, Andrew Thompson wrote:
> I am having a problem where it appears that the queue speed is 1/10th of
> the desired number. I have this simple setup on a bridge and can not get
> any more than about 1700 Bps with a http download (roughly 12Kbits).
> 
>  altq on sis0 cbq bandwidth 256Kb queue { std_in }
>  queue std_in    bandwidth 128Kb  cbq(default)
>  
>  pass  out on sis0 proto tcp from any to any queue std_in
 
To add further information, it now appears to be caused by the sis
driver. Here is iperf tests with a net4801+sis(4) and pentuim3+xl(4)
using the above pf config.

xl driver
 [  4]  0.0-13.2 sec    200 KBytes    124 Kbits/sec
 [  4]  0.0-23.1 sec    352 KBytes    125 Kbits/sec
 [  6]  0.0-32.7 sec    496 KBytes    124 Kbits/sec

sis driver
 [  4]  0.0-49.8 sec    296 KBytes  48.7 Kbits/sec
 [  6]  0.0-49.7 sec    296 KBytes  48.8 Kbits/sec
 [  4]  0.0-49.6 sec    296 KBytes  48.9 Kbits/sec


Andrew

From owner-freebsd-net@FreeBSD.ORG  Wed Feb 22 20:27:42 2006
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From: "Jack Vogel" <jfvogel@gmail.com>
To: "Chris Howells" <howells@kde.org>
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Cc: freebsd-net@freebsd.org
Subject: Re: Which motherboards work well with em(4)?
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On 2/20/06, Chris Howells <howells@kde.org> wrote:
> After about 9 months of messing around with two servers with em(4) gigabi=
t
> cards and having continual problems with them randomly stopping working,
> particularly under reasonably heavy load, I think I have finally come to
> the conclusion that they don't work very well with the Asus A7V8X-X Socke=
t
> A motherboard. [1]
>
> I think it might therefore be time to try a different motherboard. Can an=
y
> body recommend a board that works well with em(4)? I'm looking for a
> socket A board so I can keep the current Duron 1800, or possibly a Socket
> 754 or 939. Don't really care about the rest of the specifications though
> price is quite important (don't want onboard RAID or SCSI or anything
> fancy).
>
> Thanks for any advice.
>
> [1 - I've tried everything: various patches; FreeBSD 4, 5 and 6; changing
> the interrupt mode in the BIOS from ACIC to PIC; disabling ACPI...]

I can't really help you with the AMD motherboard, dont get much chance to
work with them at Intel :) However, I wondered exactly what NIC you have?

And have you tried taking the tip of tree driver, Scott and others have bee=
n
hard at work tweaking it. I can't swear that we are 100% yet, but you
should give that a try before a whole motherboard swap :)

Cheers,

Jack
<Intel LAD>

From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 08:19:47 2006
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I ran tcpdump and killall tcpdump in a loop on 7.0, and after a few
minutes it panicked with:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x8
fault code      = supervisor read, page not present
instruction pointer     = 0x20:0xc058d0fb
stack pointer          = 0x28:0xe5007c04
frame pointer          = 0x28:0xe5007c28
code segment    = base 0x0, limit 0xfffff, type 0x1b
                = DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process  = 9 (em0 taskq)
[thread pid 9 tid 100019 ]
Stopped at      bpf_mtap+0xf:   cmpl    $0,0x8(%edi)
db> wh
Tracing pid 9 tid 100019 td 0xc63d6340
bpf_mtap(0,c8f46500,1,2,c63d0001) at bpf_mtap+0xf
ether_input(c6455c00,c8f46500,c8f46500,c6588880,1) at ether_input+0x15f
em_rxeof(c656e800,63,1,c06f7be0,c656e9cc) at em_rxeof+0x423
em_handle_rxtx(c656e800,1,c06fbfa7,50,c658889c) at em_handle_rxtx+0x5b
taskqueue_run(c6588880,c658889c,c06f0e27,0,1) at taskqueue_run+0x104
taskqueue_thread_loop(c656e9dc,e5007d38,c06f5c42,31a,c656e9dc) at taskqueue_thread_loop+0x6b
fork_exit(c053b5f8,c656e9dc,e5007d38) at fork_exit+0xc5
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe5007d6c, ebp = 0 ---
db>

Core available.

Kris

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From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 08:37:30 2006
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From: Felix <vlchang@eb.net.my>
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Subject: PPPoE Connection Bug!
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I am using Freebsd 6.0 to become my server and provide the PPPoE service
to rest of my staffs PCs. It is success without any problem but
sometimes I found it comes out with errors message in my log file when
some of the staffs cannot online. The error messages is looked like
below:

#########################################################################

Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: Using interface: tun2
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: deflink: Created in closed
state
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable pap
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable proxy
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: disable ipv6cp
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set mru 1472
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set mtu 1472
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set ifaddr
10.1.91.1 10.1.91.2-10.1.91.254
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set radius
/etc/radius.conf
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: accept dns
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set timeout 3600
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: disable protocomp
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable echo
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set lqrperiod 10
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set echoperiod 10
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set rad_alive 1800
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set speed sync
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set log Chat
Command Phase LCP LQM
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable pap
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable proxy
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: disable ipv6cp
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set mru 1472
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set mtu 1472
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set ifaddr
10.1.91.1 10.1.91.2-10.1.91.254
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set radius
/etc/radius.conf
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: accept dns
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set timeout 3600
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: disable protocomp
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: enable echo
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set lqrperiod 10
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set echoperiod 10
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set rad_alive 1800
Jan 27 10:29:40 eBoffice3 ppp[714]: Command: default: set speed sync
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: PPP Started (direct mode).
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: bundle: Establish
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: deflink: closed -> opening
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: deflink: Link is a closed
socket !
Jan 27 10:29:40 eBoffice3 ppp[714]: Chat: Failed to open device (attempt
1 of 1)
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: deflink: opening -> closed
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: bundle: Dead
Jan 27 10:29:40 eBoffice3 ppp[714]: Phase: PPP Terminated (normal).

############################################################################

I searched for the internet but found nothing. Any comment or opinion
about this? Thanks!

Regard
Felix


From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 09:18:00 2006
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On Thu, Feb 23, 2006 at 03:19:46AM -0500, Kris Kennaway wrote:
> I ran tcpdump and killall tcpdump in a loop on 7.0, and after a few
> minutes it panicked with:
>=20
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 0; apic id =3D 00
> fault virtual address   =3D 0x8
> fault code      =3D supervisor read, page not present
> instruction pointer     =3D 0x20:0xc058d0fb
> stack pointer          =3D 0x28:0xe5007c04
> frame pointer          =3D 0x28:0xe5007c28
> code segment    =3D base 0x0, limit 0xfffff, type 0x1b
>                 =3D DPL 0, pres 1, def32 1, gran 1
> processor eflags =3D interrupt enabled, resume, IOPL =3D 0
> current process  =3D 9 (em0 taskq)
> [thread pid 9 tid 100019 ]
> Stopped at      bpf_mtap+0xf:   cmpl    $0,0x8(%edi)
> db> wh
> Tracing pid 9 tid 100019 td 0xc63d6340
> bpf_mtap(0,c8f46500,1,2,c63d0001) at bpf_mtap+0xf
> ether_input(c6455c00,c8f46500,c8f46500,c6588880,1) at ether_input+0x15f
> em_rxeof(c656e800,63,1,c06f7be0,c656e9cc) at em_rxeof+0x423
> em_handle_rxtx(c656e800,1,c06fbfa7,50,c658889c) at em_handle_rxtx+0x5b
> taskqueue_run(c6588880,c658889c,c06f0e27,0,1) at taskqueue_run+0x104
> taskqueue_thread_loop(c656e9dc,e5007d38,c06f5c42,31a,c656e9dc) at taskque=
ue_thread_loop+0x6b
> fork_exit(c053b5f8,c656e9dc,e5007d38) at fork_exit+0xc5
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip =3D 0, esp =3D 0xe5007d6c, ebp =3D 0 ---
> db>

On another machine:

Memory modified after free 0xce4cb800(2048) val=3Da028c0de @ 0xce4cb800
Memory modified after free 0xcc889800(2048) val=3Da028c0de @ 0xcc889800
Memory modified after free 0xce2b1000(2048) val=3Da020c0de @ 0xce2b1000


Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address   =3D 0x8
fault code              =3D supervisor read, page not present
instruction pointer     =3D 0x20:0xc05b033b
stack pointer           =3D 0x28:0xf562f860
frame pointer           =3D 0x28:0xf562f884
code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                        =3D DPL 0, pres 1, def32 1, gran 1
processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
current process         =3D 29269 (nfsd)
[thread pid 29269 tid 100044 ]
Stopped at      bpf_mtap+0xf:   cmpl    $0,0x8(%edi)
db> wh
Tracing pid 29269 tid 100044 td 0xcc532b60
bpf_mtap(0,ce16ae00,4,f562f8ac,f562f8a8) at bpf_mtap+0xf
fxp_encap(cc546000,ce16ae00,c071eeba,4c2,cc53c0f8) at fxp_encap+0x282
fxp_start_body(cc53c000,0,c071eeba,49a,cc53c000) at fxp_start_body+0x22d
fxp_start(cc53c000,138,0,cc53c000) at fxp_start+0x3c
if_start(cc53c000,0,c0732081,180,2afd2) at if_start+0x88
ether_output_frame(cc53c000,ce16ae00,6,f562fadc,f562fa7c) at ether_output_f=
rame+0x1c1
ether_output(cc53c000,ce16ae00,f562fadc,cc869bb8,cc86b1f8) at ether_output+=
0x4bb
ip_output(ce16ae00,0,f562fad8,0,0) at ip_output+0x8a9
udp_output(cc86b1f8,ce16ae00,cc765750,0,cc532b60) at udp_output+0x545
udp_send(cc863298,0,ce16ae00,cc765750,0) at udp_send+0x41
sosend(cc863298,cc765750,0,ce16ae00,0) at sosend+0x49e
nfsrv_send(cc863298,cc765750,ce16ae00,1ff,0) at nfsrv_send+0xb9
nfssvc_nfsd(cc532b60,0,c07396f8,9a,f562fc78) at nfssvc_nfsd+0x6a6
nfssvc(cc532b60,f562fd04,8,cc532b60,ccb68420) at nfssvc+0x1f0
syscall(3b,3b,3b,0,0) at syscall+0x304
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (155, FreeBSD ELF32, nfssvc), eip =3D 0x280c2173, esp =3D 0xbfb=
fe4dc, ebp =3D 0xbfbfe4f8 ---
db>
--ZPt4rx8FFjLCG7dd
Content-Type: application/pgp-signature
Content-Disposition: inline

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Version: GnuPG v1.4.2 (FreeBSD)

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=ul51
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--ZPt4rx8FFjLCG7dd--

From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 10:07:07 2006
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Date: Thu, 23 Feb 2006 11:07:06 +0100
From: "Sebastian Inacker" <inacker@gmail.com>
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Subject: Kernel panic within dummynet-code(?)
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Hello Networkers.

I got a kernel panic on FreeBSD 6.0-RELEASE, which is probably caused
by a not initialised pointer "p =3D (void *) 0x0" within the
dummynet-code.

I analysed the crash dump and got

  (kgdb) f 9
  #9  0xc06d3670 in dummynet (unused=3D0x0) at ../../../netinet/ip_dummynet=
.c:785

  (kgdb) i loc
  p =3D (void *) 0x0
  h =3D (struct dn_heap *) 0x4
  heaps =3D {0xc093cf40, 0xc093cf60, 0xc093cf50}
  i =3D 22
  pe =3D (struct dn_pipe *) 0x4

(see backtrack[1] of the crash dump).

Some frames before I do have problems with subr_turnstile.c and
kern_mutex.c, which could be caused by a problem in dummynet - but I'm
not sure.

The machine does use dummynet (with DUMMYNET and HZ=3D1000) for
bandwidth management, but the problem - if it is within dummynet -
have to be a special case, because it crashes not as regulary as it
would do in other cases.

I'd be glad, if someone can help me.
I would be glad also if I could help to fix a maybe existing bug.

[1] To save bandwidth: The complete backtrack of that kernel panic is on
<URL:http://www.inacker.de/data/freebsd-kgdb-debug4.txt>, if that's
helpfull. Just ask for more informations if needed.

From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 12:34:53 2006
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Date: Thu, 23 Feb 2006 14:34:41 +0200
From: Oleg Tarasov <subscriber@osk.com.ua>
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Subject: ifstated fails to monitor netgraph interface
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Hello,

I am building a failover system. I have two Internet interfaces - one
simple Ethernet connection fxp1 and a PPPoE connection established
using mpd ng0.

I tried to use ifstated to monitor connections. For Ethernet
connection a ping test is run and for PPPoE I wanted to use built-in
test like ng0.link.up but this one always fails. As I can see ifstated
can't for some reason monitor netgraph interface's status.

It would be almost normal to use a ping test in this case, but if
ethernet interface that has a default route is working, ping test for
PPPoE router will not fail as this router will be reachable via
ethernet interface. So the ping test is not appliable here. Anyway
PPPoE has an excellent LCP mechanism to watch connectivity and it
would be great to use it in this case.

Please suggest me what can I use to solve this problem. Maybe there is
another ifstated-like daemon with maybe more advanced test capability
I can use in my situation as I have not found any acceptable.

-- 
Best regards,
 Oleg Tarasov                          mailto:subscriber@osk.com.ua


From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 12:53:54 2006
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Subject: network lock on CURRENT, em0
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Hi!

I have too bad situation. My SMP system

FreeBSD sagitta.internal.vlink.ru 7.0-CURRENT FreeBSD 7.0-CURRENT #3: Thu Feb 23 12:38:04 MSK 2006     dsh@build.rigel.internal.vlink.ru:/usr/obj/usr/src/sys/MYSMPIC  i386

with todays CURRENT can't live longer than several minutes with Squid
running (I mean with my full network load). It locks and do not
respond to pings. I've got DDB and called doadump for two such locks,
so I have two vmcore files and debug kernel. Here an info from DDB for
both:

~KDB: enter: Line break on console
[thread pid 21 tid 100023 ]
Stopped at      kdb_enter+0x30: leave   
db> wh
Tracing pid 21 tid 100023 td 0xc60754e0
kdb_enter(c067dbd9,e65deac8,0,c60754e0,c60cdc00) at kdb_enter+0x30
siointr1(c60cdc00,4,e65deb04,c05f0009,c0c6bb40) at siointr1+0xd1
siointr(c60cdc00,cb21120c,e65deb1c,0,c60754e0) at siointr+0x76
intr_execute_handlers(c5fcaca0,e65deb30,e65deb90,c0632773,37) at intr_execute_handlers+0xfd
lapic_handle_intr(37) at lapic_handle_intr+0x3a
Xapic_isr1() at Xapic_isr1+0x33
--- interrupt, eip = 0xc05f06e5, esp = 0xe65deb70, ebp = 0xe65deb90 ---
uma_zfree_internal(c0c5ed20,cb20ba00,0,2,0) at uma_zfree_internal+0x1ec
uma_zalloc_bucket(c0c5ed20,1,0,1,2db5e800) at uma_zalloc_bucket+0x261
uma_zalloc_arg(c0c5ed20,e65dec20,1,e65dec14,c60754e0) at uma_zalloc_arg+0x30a
em_get_buf(0,c60754e0,c60a2800,e65dec60,c04e5a00) at em_get_buf+0x146
em_rxeof(c60754e0,e65decb8,c60754e0,c609a9cc,1) at em_rxeof+0x19e
em_handle_rxtx(c609a800,1,0,ffffffff,0) at em_handle_rxtx+0x83
taskqueue_run(c60a2800,c60a281c,c066891d,0,c0506697) at taskqueue_run+0x17f
taskqueue_thread_loop(c609a9dc,e65ded38,ffffffff,c609a9dc,0) at taskqueue_thread_loop+0xc0
fork_exit(c0506697,c609a9dc,e65ded38) at fork_exit+0x7e
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe65ded6c, ebp = 0 ---



~KDB: enter: Line break on console
[thread pid 21 tid 100023 ]
Stopped at      kdb_enter+0x30: leave   
db> wh
Tracing pid 21 tid 100023 td 0xc60754e0
kdb_enter(c067dbd9,c60a2800,e0,c60754e0,c60cdc00) at kdb_enter+0x30
siointr1(c60cdc00,c60754e0,e65deac4,46,c609a9cc) at siointr1+0xd1
siointr(c60cdc00,e65deb04,c05f0009,0,c60754e0) at siointr+0x76
intr_execute_handlers(c5fcaca0,e65deb10,e65deb70,c0632773,37) at intr_execute_handlers+0xfd
lapic_handle_intr(37) at lapic_handle_intr+0x3a
Xapic_isr1() at Xapic_isr1+0x33
--- interrupt, eip = 0xc05f067f, esp = 0xe65deb50, ebp = 0xe65deb70 ---
uma_zfree_internal(c0c6bb40,cb27da3c,0,0,2) at uma_zfree_internal+0x186
bucket_free(cb27da3c,cb26ce00,0,2,0) at bucket_free+0x3c
uma_zalloc_bucket(c0c5ed20,1,0,1,36dae800) at uma_zalloc_bucket+0x2fb
uma_zalloc_arg(c0c5ed20,e65dec20,1,e65dec14,c60754e0) at uma_zalloc_arg+0x30a
em_get_buf(0,c60754e0,c60a2800,e65dec60,c04e5a00) at em_get_buf+0x146
em_rxeof(c60754e0,e65decb8,c60754e0,c609a9cc,1) at em_rxeof+0x19e
em_handle_rxtx(c609a800,1,0,ffffffff,0) at em_handle_rxtx+0x83
taskqueue_run(c60a2800,c60a281c,c066891d,0,c0506697) at taskqueue_run+0x17f
taskqueue_thread_loop(c609a9dc,e65ded38,ffffffff,c609a9dc,0) at taskqueue_thread_loop+0xc0
fork_exit(c0506697,c609a9dc,e65ded38) at fork_exit+0x7e
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe65ded6c, ebp = 0 ---
db> show intr
irq1: atkbd0 (pid 27)
irq3: sio1 (no thread)
irq4: sio0 (no thread)
irq9: acpi0 (pid 20)
irq14: ata0 (pid 23) {ENTROPY}
irq15: ata1 (pid 24) {ENTROPY}
irq18: atapci1 (pid 25) {ENTROPY}
irq26: em0 (no thread)
irq27: em1 (no thread)
swi1: net (pid 12) {SOFT}
swi4: clock sio (pid 13) {SOFT}
swi3: vm (pid 14) {SOFT}
swi5: + (pid 16) {SOFT}
swi2: cambio (pid 17) {SOFT}
swi6: task queue (pid 18) {SOFT}
swi6: Giant taskq (pid 19) {SOFT}
swi0: sio (pid 26) {SOFT}
db> show uma
              Zone       Allocs        Frees         Used    Cache
           NFSNODE            1            0            1       17
          NFSMOUNT            1            0            1       15
       FFS2 dinode        10865          489        10376       49
       FFS1 dinode            0            0            0        0
         FFS inode        10865          489        10376       93
          SWAPMETA            0            0            0        0
            pfosfp          188            0          188      193
          pfospfen          345            0          345       51
         pfiaddrpl            0            0            0        0
      pfstatescrub            0            0            0        0
          pffrcent            0            0            0        0
         pffrcache            0            0            0        0
            pffrag            0            0            0        0
           pffrent            0            0            0        0
        pfrkentry2            0            0            0        0
         pfrkentry            4            0            4       46
         pfrktable            4            2            2        4
      pfpooladdrpl           10            0           10      102
          pfaltqpl            0            0            0        0
         pfstatepl         6604         5667          937     2123
          pfrulepl           17            0           17        7
         pfsrctrpl            0            0            0        0
           rtentry           37            0           37       59
             ripcb            0            0            0        0
          sackhole         1396         1396            0      507
          tcpreass         7381         7353           28      479
         hostcache          250            0          250       50
          syncache         6000         6000            0      273
             tcptw         2522         2522            0      858
             tcpcb        11864        10190         1674      174
             inpcb        11864        10190         1674      741
             udpcb          460          433           27       65
               ipq         1353         1353            0      339
             unpcb          124           63           61       51
            socket        12450        10688         1762       98
             KNOTE         1911         1895           16      208
            itimer            0            0            0        0
          ksiginfo          133            0          133       59
              PIPE          623          580           43       47
           DIRHASH         2407          641         1766       74
       L VFS Cache           23           14            9       30
       S VFS Cache        30193        20274         9919       49
             NAMEI       111764       111764            0       80
         VNODEPOLL            4            0            4      114
             VNODE        48747        38273        10474       41
     ata_composite            0            0            0        0
       ata_request       156399       156399            0      630
             g_bio       632655       632655            0     2291
      ACL UMA zone            0            0            0        0
         mtag_vlan            0            0            0        0
   mbuf_ext_refcnt            0            0            0        0
    mbuf_jumbo_16k            0            0            0        0
     mbuf_jumbo_9k            0            0            0        0
mbuf_jumbo_pagesize            0            0            0        0
      mbuf_cluster        25747          152        25595        5
              mbuf       318137       318052           85      510
       mbuf_packet      6801246      6775720        25526       69
           VMSPACE         1765         1685           80       40
            UPCALL            3            0            3      153
            KSEGRP          185            2          183       57
            THREAD        12924        12713          211       50
              PROC         1802         1685          117       44
             Files        65839        64471         1368      752
              4096        22181        22031          150       43
              2048         6218         6016          202      178
              1024         9402         9326           76       84
               512         1563          752          811       13
               256         6706         6200          506      439
               128        31905        30229         1676     1234
                64       203263       199233         4030     5528
                32       100623        98096         2527      750
                16       133108       129965         3143      511
           mt_zone          159            0          159      113
         DP fakepg            0            0            0        0
          PV ENTRY      1147925       955580       192345     9640
         MAP ENTRY        66307        61621         4686      522
        KMAP ENTRY       258716       258701           15      321
               MAP            7            0            7       16
         VM OBJECT        39420        29887         9533       99
        128 Bucket     19600430     19600247          183        5
         64 Bucket          126           62           64       20
         32 Bucket           74           42           32       24
         16 Bucket           79           31           48       52
          UMA Hash            6            2            4       26
     UMA RCntSlabs        12800            0        12800        2
         UMA Slabs       103933       102836         1097       24
         UMA Zones           86            0           86        2
          UMA Kegs           86            0           86        4
db> show intrcnt
irq4: sio0              764
irq13: npx0             1
irq14: ata0             33
irq18: atapci1          156381
irq26: em0              312271
cpu0: timer             1892870
cpu1: timer             1891948
db> show malloc
              Type       Allocs        Frees         Used
      nullfs_mount            9            0            9
       nullfs_hash            1            0            1
       nullfs_node        37816        37782           34
           rpcclnt            0            0            0
             idmap            0            0            0
          nfs4_dev            0            0            0
     nfsclient_req            2            2            0
   nfsclient_bigfh            0            0            0
  nfsclient_diroff            0            0            0
    nfsclient_hash            0            0            0
nfsclient_directio            0            0            0
 nfsclient_srvsock            0            0            0
    nfsclient_lock            0            0            0
 nfsclient_nlminfo            0            0            0
               gre            1            0            1
        madt_table            0            0            0
         acpicmbat            0            0            0
          pci_link           16            0           16
           acpisem           20            0           20
           acpipwr            0            0            0
           acpidev           57            0           57
          acpitask            1            1            0
            acpica        29883        27761         2122
         acpi_perf            0            0            0
        acd_driver            1            0            1
            devbuf          231            4          227
             cache            0            0            0
              $PIR            0            0            0
             lockf         2284         2271           13
     CAM dev queue            1            0            1
          nexusdev            3            0            3
           mptable            0            0            0
            linker          175          123           52
           memdesc            1            0            1
         legacydrv            0            0            0
         CAM queue            3            0            3
           io_apic            2            0            2
               LED            0            0            0
            KTRACE          100            0          100
            prison            5            0            5
           ata_pci            0            0            0
          atkbddev            2            0            2
           ithread           87            1           86
            zombie         1685         1685            0
         vm_pgdata            2            0            2
         proc-args         1185         1116           69
            kqueue          288          272           16
              kenv          110            1          109
             sigio            2            0            2
filedesc_to_leader            0            0            0
           UMAHash           13           11            2
         ufs_mount           15            0           15
         ufs_quota            0            0            0
       ufs_dirhash         2484          500         1984
          savedino         1093         1093            0
         newdirblk            0            0            0
            dirrem          559          559            0
             mkdir           74           74            0
            diradd         1257         1257            0
          freefile          472          472            0
          freeblks         1262         1262            0
          freefrag         7568         7568            0
        allocindir        91890        91888            2
          indirdep          184          183            1
       allocdirect         8317         8317            0
         bmsafemap          384          383            1
            newblk       100208       100207            1
          inodedep         2567         2566            1
           pagedep          489          488            1
          p1003.1b            1            0            1
      ip6_moptions            0            0            0
              mf6c            0            0            0
         in6_multi           40            0           40
          fragment            0            0            0
          syncache            1            0            1
          filedesc         1835         1697          138
         hostcache            1            0            1
       ip_moptions            0            0            0
 encap_export_host            2            1            1
          in_multi            2            0            2
              igmp            0            0            0
          routetbl          207          137           70
           ata_dma            4            0            4
         ad_driver            2            0            2
              cdev           22            0           22
                lo            1            0            1
            arpcom            2            0            2
             clone            3            0            3
       ether_multi           46            5           41
            ifaddr           59            0           59
             ifnet            6            0            6
               BPF           10            1            9
        CAM periph            1            0            1
  subr_export_host            0            0            0
       vnodemarker          266          266            0
             mount          306           37          269
            vnodes            3            0            3
          vfs_hash            1            0            1
       export_host            0            0            0
cluster_save_buffer         1506         1506            0
          vfscache            1            0            1
            biobuf          779          674          105
           CAM XPT            9            3            6
               pcb         6631         6109          522
            soname        33456        33413           43
          mbuf_tag        85082        85054           28
              accf            0            0            0
           CAM SIM            1            0            1
              ptys            0            0            0
              ptys            1            0            1
              ttys         1518         1342          176
               shm            1            0            1
               sem            4            0            4
               msg            4            0            4
               iov         9249         9249            0
            select            0            0            0
          ioctlops         2324         2324            0
            Unitno        25434        25426            8
        turnstiles          262            0          262
         taskqueue           13            0           13
             stack            0            0            0
       ata_generic           25           22            3
             pf_if           28            4           24
        sleepqueue          262            0          262
              sbuf          302          302            0
              rman          517          357          160
            isadev           20            0           20
             pflog            1            0            1
              GEOM          536          408          128
              kobj           76           10           66
             DEVFS           85            1           84
      eventhandler           50            2           48
           devstat           10            0           10
        DEVFS_RULE           65           31           34
            bus-sc         1011          967           44
               bus         2712         2167          545
              SWAP            2            0            2
              umtx          261            0          261
         sysctltmp          339          339            0
         sysctloid         2081            0         2081
            sysctl          290          290            0
            DEVFS1           93            0           93
           uidinfo           61           45           16
            plimit          326          305           21
            DEVFS3          720            1          719
              cred         7817         7684          133
           subproc         1965         1685          280
              proc            2            0            2
           session           68           20           48
              pgrp          100           48           52
            DEVFS2          550          457           93
          mtx_pool            1            0            1
            module          124            0          124
           entropy         1024            0         1024
              free            0            0            0
     CAM ccb queue            0            0            0
            ip6ndp            9            1            8
            ip6opt            1            0            1
              temp       134444       134433           11
db> show irqs
irq0: (no thread)
irq1: atkbd0 (pid 27)
irq3: sio1 (no thread)
irq4: sio0 (no thread)
irq5: (no thread)
irq6: (no thread)
irq7: (no thread)
irq8: (no thread)
irq9: acpi0 (pid 20)
irq10: (no thread)
irq11: (no thread)
irq12: (no thread)
irq13: npx0 (no thread)
irq14: ata0 (pid 23) {ENTROPY}
irq15: ata1 (pid 24) {ENTROPY}
irq16: (no thread)
irq17: (no thread)
irq18: atapci1 (pid 25) {ENTROPY}
irq19: (no thread)
irq20: (no thread)
irq21: (no thread)
irq22: (no thread)
irq23: (no thread)
irq24: (no thread)
irq25: (no thread)
irq26: em0 (no thread)
irq27: em1 (no thread)
irq28: (no thread)
irq29: (no thread)
irq30: (no thread)
irq31: (no thread)
irq32: (no thread)
irq33: (no thread)
irq34: (no thread)
irq35: (no thread)
irq36: (no thread)
irq37: (no thread)
irq38: (no thread)
irq39: (no thread)
irq40: (no thread)
irq41: (no thread)
irq42: (no thread)
irq43: (no thread)
irq44: (no thread)
irq45: (no thread)
irq46: (no thread)
irq47: (no thread)
db> show apic
vec 0x30 -> IRQ 13
vec 0x31 -> IRQ 9
vec 0x32 -> IRQ 26
vec 0x33 -> IRQ 27
vec 0x34 -> IRQ 14
vec 0x35 -> IRQ 15
vec 0x36 -> IRQ 18
vec 0x37 -> IRQ 4
vec 0x38 -> IRQ 3
vec 0x39 -> IRQ 1
vec 0xef -> lapic timer
db> show lockedbufs
buf at 0xda196cd8
b_flags = 0x20000000<vmio>
b_error = 0, b_bufsize = 16384, b_bcount = 16384, b_resid = 0
b_bufobj = (0xc670c9d8), b_data = 0xddf79000, b_blkno = 89960896
b_npages = 4, pages(OBJ, IDX, PA): (0xc0c5c2d0, 0xab9638, 0x68417000),(0xc0c5c2d0, 0xab9639, 0x6d058000),(0xc0c5c2d0, 0xab963a, 0x68579000),(0xc0c5c2d0, 0xab963b, 0x6961a000)

-- 
DSS5-RIPE DSS-RIPN 2:550/5068@fidonet 2:550/5069@fidonet
mailto:dsh@vlink.ru http://neva.vlink.ru/~dsh/

From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 13:29:18 2006
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Date: Thu, 23 Feb 2006 15:29:13 +0200
From: Oleg Tarasov <subscriber@osk.com.ua>
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Cc: freebsd-net@FreeBSD.org
Subject: Re: ifstated fails to monitor netgraph interface
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Hello,

I have found a solution to see ng0 state but using external test.
Everything would be fine but there are 2 difficulties:
1) for some reason when in state "secondary" only one external test is
run (viewing logfile at debug loglevel)
2) Second (PPPoE) connection can disappear for a short period of time
destroying default route but it won't trigger state change as the
periodic test can miss this.

What can be the source of 1) ? Commenting second "if" statement in
"secondary" state makes first test run. Other way only second is run
after 1 first test execution.

My ifstated.conf
===========================================================
init-state auto
loglevel debug


pri_iface_up = '"ping -q -c 1 -t 1 111.111.111.111 > /dev/null" every 5'
sec_iface_up = '"ifconfig ng0 | grep UP > /dev/null" every 2'
#sec_iface_up = '"ping -q -c 1 -t 1 222.222.222.222 > /dev/null" every 10'
#sec_iface_up = "ng0.link.up"

state auto {
        if $pri_iface_up
                set-state primary
        if $sec_iface_up
                set-state secondary
}

state primary {
        init {
                run "route delete default"
                run "route add default 111.111.111.111"
                run "sleep 20"
        }
        if ! $pri_iface_up
                set-state primary_failing
}

state primary_failing {
        init {
                run "sleep 10"
        }
        if $pri_iface_up
                set-state primary
        if ! $pri_iface_up && $sec_iface_up
                set-state secondary
        if ! $pri_iface_up && ! $sec_iface_up
                set-state secondary
}

state secondary {
        init {
                run "route delete default"
                run "route add default 222.222.222.222"
                run "sleep 20"
        }
        if $pri_iface_up
                set-state primary
        if ! $sec_iface_up
                set-state auto
}
==========================================================

Initially primary router is down

ifstated.log
==========================================================

ifstated: initial state: auto
ifstated: changing state to auto
ifstated: running ping -q -c 1 -t 1 111.111.111.111 > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: started
ifstated: changing state to secondary
ifstated: running ping -q -c 1 -t 1 111.111.111.111 > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running route delete default
delete net default
ifstated: running route add default 222.222.222.222
add net default: gateway 222.222.222.222
ifstated: running sleep 20
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
ifstated: running ifconfig ng0 | grep UP > /dev/null
==========================================================

-- 
Best regards,
 Oleg Tarasov                          mailto:subscriber@osk.com.ua


From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 16:55:00 2006
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Just a short follow-up for the list-archive, the patch is now listed
as PR kern/93754.

	Joerg

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From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 19:32:40 2006
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From: Kris Kennaway <kris@obsecurity.org>
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Subject: deadc0de panic in em driver (Re: deadc0de panic in fxp driver)
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On Thu, Feb 16, 2006 at 03:15:14PM -0500, Kris Kennaway wrote:
> Peter Holm's stress test gave me this on an SMP machine running fresh
> 7.0:
>=20
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 0; apic id =3D 00
> fault virtual address   =3D 0xdeadc0de
> fault code              =3D supervisor write, page not present
> instruction pointer     =3D 0x20:0xc0681633
> stack pointer           =3D 0x28:0xf3bbeb88
> frame pointer           =3D 0x28:0xf3bbeb88
> code segment            =3D base 0x0, limit 0xfffff, type 0x1b
>                         =3D DPL 0, pres 1, def32 1, gran 1
> processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
> current process         =3D 24 (irq17: fxp0)
> [thread pid 24 tid 100020 ]
> Stopped at      trash_dtor+0x10:        movl    $0xdeadc0de,0(%edx)
> db> wh
> Tracing pid 24 tid 100020 td 0xcc47b1a0
> trash_dtor(deadc0de,800,0,f3bbebb8,c05295bb) at trash_dtor+0x10
> trash_init(deadc0de,800,1,7f,35) at trash_init+0x20
> mb_zinit_pack(ccb7e100,100,1,85f,f3bbebec) at mb_zinit_pack+0x50
> uma_zalloc_bucket(c1057000,1,c073d432,75d,0) at uma_zalloc_bucket+0x1f1
> uma_zalloc_arg(c1057000,f3bbec4c,1,1,c072a086) at uma_zalloc_arg+0x38e
> fxp_add_rfabuf(cc546000,cc54604c,2,61a,cc546014) at fxp_add_rfabuf+0x35
> fxp_intr_body(cc546000,cc53c000,40,ffffffff,cc53c000) at fxp_intr_body+0x=
115
> fxp_intr(cc546000,f3bbecdc,c052aa10,c07f5c90,1) at fxp_intr+0xcf
> ithread_execute_handlers(cc4cccd8,cc477700,c0725a19,2f9,cc47b1a0) at ithr=
ead_execute_handlers+0x10e
> ithread_loop(cc539960,f3bbed38,c0725807,31a,cc539960) at ithread_loop+0x78
> fork_exit(c051cdfa,cc539960,f3bbed38) at fork_exit+0xc5
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip =3D 0, esp =3D 0xf3bbed6c, ebp =3D 0 ---
> db>

Same panic from em:

panic: vm_fault: fault on nofault entry, addr: deadc000
cpuid =3D 2
KDB: enter: panic
[thread pid 9 tid 100019 ]
Stopped at      kdb_enter+0x30: leave
db> wh
Tracing pid 9 tid 100019 td 0xc63d6340
kdb_enter(c06f8aa4,2,c070debb,e50079a8,c63d6340) at kdb_enter+0x30
panic(c070debb,deadc000,2,e5007a38,e5007a28) at panic+0x13f
vm_fault(c1069000,deadc000,2,0,c63d6340) at vm_fault+0x23a
trap_pfault(e5007b50,0,deadc0de,c106c388,deadc0de) at trap_pfault+0x162
trap(c1050008,e5000028,c0650028,c1057000,1) at trap+0x3fb
calltrap() at calltrap+0x5
--- trap 0xc, eip =3D 0xc065405b, esp =3D 0xe5007b90, ebp =3D 0xe5007b90 ---
trash_dtor(deadc0de,800,0,e5007bc0,c05086eb) at trash_dtor+0x10
trash_init(deadc0de,800,1,c105bd20,cda8ad00) at trash_init+0x20
mb_zinit_pack(cda8ad00,100,1,8ab,138) at mb_zinit_pack+0x50
uma_zalloc_internal(c105bd20,e5007c3c,1,796,c63d6180) at uma_zalloc_interna=
l+0xcf
uma_zalloc_arg(c105bd20,e5007c3c,1,c0529964,c63d6340) at uma_zalloc_arg+0x3=
f3
em_get_buf(8,c656e800,0,c6588880,1) at em_get_buf+0x3f
em_rxeof(c656e800,63,1,c06f7be0,c656e9cc) at em_rxeof+0x1f5
em_handle_rxtx(c656e800,1,c06fbfa7,50,c658889c) at em_handle_rxtx+0x5b
taskqueue_run(c6588880,c658889c,c06f0e27,0,1) at taskqueue_run+0x104
taskqueue_thread_loop(c656e9dc,e5007d38,c06f5c42,31a,c656e9dc) at taskqueue=
_thread_loop+0x6b
fork_exit(c053b5f8,c656e9dc,e5007d38) at fork_exit+0xc5
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip =3D 0, esp =3D 0xe5007d6c, ebp =3D 0 ---
db>

Core available.

Kris

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From owner-freebsd-net@FreeBSD.ORG  Thu Feb 23 21:30:25 2006
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Date: Thu, 23 Feb 2006 23:28:44 +0200
From: Ruslan Ermilov <ru@freebsd.org>
To: Sebastian Inacker <inacker@gmail.com>
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Subject: Re: Kernel panic within dummynet-code(?)
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On Thu, Feb 23, 2006 at 11:07:06AM +0100, Sebastian Inacker wrote:
> Hello Networkers.
>=20
> I got a kernel panic on FreeBSD 6.0-RELEASE, which is probably caused
> by a not initialised pointer "p =3D (void *) 0x0" within the
> dummynet-code.
>=20
> I analysed the crash dump and got
>=20
>   (kgdb) f 9
>   #9  0xc06d3670 in dummynet (unused=3D0x0) at ../../../netinet/ip_dummyn=
et.c:785
>=20
>   (kgdb) i loc
>   p =3D (void *) 0x0
>   h =3D (struct dn_heap *) 0x4
>   heaps =3D {0xc093cf40, 0xc093cf60, 0xc093cf50}
>   i =3D 22
>   pe =3D (struct dn_pipe *) 0x4
>=20
> (see backtrack[1] of the crash dump).
>=20
> Some frames before I do have problems with subr_turnstile.c and
> kern_mutex.c, which could be caused by a problem in dummynet - but I'm
> not sure.
>=20
> The machine does use dummynet (with DUMMYNET and HZ=3D1000) for
> bandwidth management, but the problem - if it is within dummynet -
> have to be a special case, because it crashes not as regulary as it
> would do in other cases.
>=20
> I'd be glad, if someone can help me.
> I would be glad also if I could help to fix a maybe existing bug.
>=20
There were several dummynet(4) fixes in RELENG_6, try with them
first.  One that can be responsible for what you're seeing was
insufficient locking.


Cheers,
--=20
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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From owner-freebsd-net@FreeBSD.ORG  Fri Feb 24 09:03:34 2006
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Subject: Re: wireless pc/usb-card support in FreeBSD 6.0
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On Monday 20 February 2006 21:48, Andreas Lattka wrote:
> I am using the Netgear WG511 v2 with NDIS drivers, works without any
> problem.
>
> Andreas
>

Thanks for suggestion, I bought NETGEAR WG511 and successfully made NDIS 
driver with ndisgen and ndiscvt utilities and then recompiled kernel. Card 
was recognized and I get rid of the message "driver is not attached" which 
scared me at the beginning though.

 I have not tested this card with real access point yet, but ifconfig works 
fine and the fact that I see "no carrier" is probably because there is no one 
in the air to connect to I guess, or?


/Alexander Konovalenko

+46-8-5537-8142 (office)
+46-7-3752-2116
http://daemon.nanophys.kth.se/~kono

Royal Institute of Technology (KTH)
Nanostructure Physics Department, Albanova
Roslagstullsbacken 21
10691 Stockholm
Sweden


From owner-freebsd-net@FreeBSD.ORG  Fri Feb 24 11:14:09 2006
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Hello Ruslan.

On 2/23/06, Ruslan Ermilov <ru@freebsd.org> wrote:
> > I got a kernel panic on FreeBSD 6.0-RELEASE, which is probably caused
> > by a not initialised pointer "p =3D (void *) 0x0" within the
> > dummynet-code. [...]
> There were several dummynet(4) fixes in RELENG_6, try with them
> first.  One that can be responsible for what you're seeing was
> insufficient locking.

Thanks for your information. I'll try ip_dummynet.h 1.36.2.2 and
ip_dummynet.c 1.93.2.4 from cvs[1].

Unfortunately I will not know immediately, whether it helped or not -
so I can't give an instant "it worked" for the archive.

[1] For the archive: http://www.freebsd.org/cgi/cvsweb.cgi/
Path within cvs: src / sys / netinet

Sebastian

From owner-freebsd-net@FreeBSD.ORG  Fri Feb 24 14:58:12 2006
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Subject: nfs locking broken
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Hi!

It seems that NFS locking is broken for the combo of 4.11 or 5.4 server and 
6.x client. Apps like eclipse and firefox fail to start with my home dir on 
a 4.11 server and a 6.x client.

Problem shows in that firefox hangs, as does eclipse.

I've tried the following combinations:

client   server
4.11     4.11      OK
5.4      4.11      OK
6.0      4.11      Hangs
6.1pre   4.11      Hangs

4.11     5.4       OK
5.4      5.4       OK
6.0      5.4       Hangs
6.1pre   5.4       Hangs

6.0      6.0       OK
6.1pre   6.0       OK


Any ideas about this, or whom to contact?

/Palle


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Does anyone know how to change channels on wireless cards using ndis0?  I
have tried "chan=3D" in ipfconfig and rc.con without success...

Thanks

--
Lysergius says, "Stay light, but trust gravity"

From owner-freebsd-net@FreeBSD.ORG  Fri Feb 24 16:07:10 2006
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On Fri, Feb 24, 2006 at 03:58:09PM +0100, Palle Girgensohn wrote:
> Hi!
>=20
> It seems that NFS locking is broken for the combo of 4.11 or 5.4 server a=
nd=20
> 6.x client. Apps like eclipse and firefox fail to start with my home dir =
on=20
> a 4.11 server and a 6.x client.
>=20
> Problem shows in that firefox hangs, as does eclipse.
>=20
> I've tried the following combinations:
>=20
> client   server
> 4.11     4.11      OK
> 5.4      4.11      OK
> 6.0      4.11      Hangs
> 6.1pre   4.11      Hangs
>=20
> 4.11     5.4       OK
> 5.4      5.4       OK
> 6.0      5.4       Hangs
> 6.1pre   5.4       Hangs
>=20
> 6.0      6.0       OK
> 6.1pre   6.0       OK
>=20
>=20
> Any ideas about this, or whom to contact?

kuriyama; there are PRs suggesting that a change he made about a year
ago caused problems.

Kris

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--On fredag, februari 24, 2006 11.07.00 -0500 Kris Kennaway 
<kris@obsecurity.org> wrote:

> On Fri, Feb 24, 2006 at 03:58:09PM +0100, Palle Girgensohn wrote:
>> Hi!
>>
>> It seems that NFS locking is broken for the combo of 4.11 or 5.4 server
>> and  6.x client. Apps like eclipse and firefox fail to start with my
>> home dir on  a 4.11 server and a 6.x client.
>>
>> Problem shows in that firefox hangs, as does eclipse.
>>
>> I've tried the following combinations:
>>
>> client   server
>> 4.11     4.11      OK
>> 5.4      4.11      OK
>> 6.0      4.11      Hangs
>> 6.1pre   4.11      Hangs
>>
>> 4.11     5.4       OK
>> 5.4      5.4       OK
>> 6.0      5.4       Hangs
>> 6.1pre   5.4       Hangs
>>
>> 6.0      6.0       OK
>> 6.1pre   6.0       OK
>>
>>
>> Any ideas about this, or whom to contact?
>
> kuriyama; there are PRs suggesting that a change he made about a year
> ago caused problems.
>
> Kris

I tried a patch from kuriyama, but it was for another problem; leaking of 
reserved ports on the server (se earlier mail). Anyway, the patch did not 
help for the problem described above. (It might help for the leak, takes a 
while to confirm.)

/Palle


From owner-freebsd-net@FreeBSD.ORG  Fri Feb 24 20:40:03 2006
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Subject: Re: network lock on CURRENT, em0
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>>>>> "Denis" == Denis Shaposhnikov <dsh@vlink.ru> writes:

 Denis> with todays CURRENT can't live longer than several minutes
 Denis> with Squid running (I mean with my full network load). It
 Denis> locks and do not respond to pings. I've got DDB and called

It seems that DEVICE_POLLING and ifconfig em0 polling fixes my
situation. My server is up for 1 day,  7:37.

-- 
DSS5-RIPE DSS-RIPN 2:550/5068@fidonet 2:550/5069@fidonet
mailto:dsh@vlink.ru http://neva.vlink.ru/~dsh/

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 07:07:27 2006
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The situation is as follows:

We have a couple of FreeBSD routers, with RFC1918 addresses on the
ethernets and a public address on the loopback. This works fine for
connecting to the routers, but is problematic for locally originated
outgoing traffic (think NTP, think syslog): it takes the IP address
of the outgoing interface, which is the RFC1918 address.

Is there a way (sysctl, kernel option) to define which IP address
is used for locally originated outgoing traffic?

Edwin

-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin@mavetju.org    |          Weblog: http://weblog.barnet.com.au/edwin/

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 13:33:45 2006
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lysergius2001 <lysergius2001@gmail.com> wrote:

> Does anyone know how to change channels on wireless cards using
> ndis0?  I have tried "chan=3D" in ipfconfig and rc.con without
> success...

AFAIK you can't. Are you sure you really have to?
Normally the right channel is picked automatically.=20

Fabian
--=20
http://www.fabiankeil.de/

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Edwin Groothuis wrote:
> The situation is as follows:
> 
> We have a couple of FreeBSD routers, with RFC1918 addresses on the
> ethernets and a public address on the loopback. This works fine for
> connecting to the routers, but is problematic for locally originated
> outgoing traffic (think NTP, think syslog): it takes the IP address
> of the outgoing interface, which is the RFC1918 address.

You're giving lo0 a public IP?  Why?

If you want to reach the box via a public IP and are using 1-to-1 NAT
translation to deliver the traffic to one of your NICs using unroutable RFC-1918
addresses, why not configure that NIC to also have the public IP, too?

> Is there a way (sysctl, kernel option) to define which IP address
> is used for locally originated outgoing traffic?

The IP used for locally originated traffic should be governed by the address
specified in the bind() call; if you want that to be different, normally you
configure the associated software being run to use something else.

I don't know how to override the default the kernel hands you if you leave the
decision up to it, short of crafting the packets yourself or using some external
capability like NAT to re-write the addresses being used.

-- 
-Chuck

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 14:28:56 2006
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From: Brian Candler <B.Candler@pobox.com>
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On Sat, Feb 25, 2006 at 06:07:22PM +1100, Edwin Groothuis wrote:
> The situation is as follows:
> 
> We have a couple of FreeBSD routers, with RFC1918 addresses on the
> ethernets and a public address on the loopback. This works fine for
> connecting to the routers, but is problematic for locally originated
> outgoing traffic (think NTP, think syslog): it takes the IP address
> of the outgoing interface, which is the RFC1918 address.
> 
> Is there a way (sysctl, kernel option) to define which IP address
> is used for locally originated outgoing traffic?

One way is to run your daemon (ntpd, syslogd etc) within a jail, and give
the jail your public loopback as its IP address.

Another is just to configure each daemon to bind to the appropriate port, if
it supports that option. syslogd has a '-b' flag; I don't know if ntpd can
be configured thusly.

Regards,

Brian.

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 21:43:50 2006
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On Sat, 25 Feb 2006, Brian Candler wrote:

> On Sat, Feb 25, 2006 at 06:07:22PM +1100, Edwin Groothuis wrote:
>> The situation is as follows:
>>
>> We have a couple of FreeBSD routers, with RFC1918 addresses on the
>> ethernets and a public address on the loopback. This works fine for
>> connecting to the routers, but is problematic for locally originated
>> outgoing traffic (think NTP, think syslog): it takes the IP address
>> of the outgoing interface, which is the RFC1918 address.
>>
>> Is there a way (sysctl, kernel option) to define which IP address
>> is used for locally originated outgoing traffic?
>
> One way is to run your daemon (ntpd, syslogd etc) within a jail, and give
> the jail your public loopback as its IP address.
>
> Another is just to configure each daemon to bind to the appropriate port, if
> it supports that option. syslogd has a '-b' flag; I don't know if ntpd can
> be configured thusly.


I seem to recall openntpd can be but I dont think the standard freebsd 
ntpd can. I have never tried openntpd on freebsd though (it is in ports.)
http://www.openbsd.org/cgi-bin/man.cgi?query=ntpd.conf&sektion=5&arch=&apropos=0&manpath=OpenBSD+Current

Vince

>
> Regards,
>
> Brian.
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 22:26:39 2006
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From: Edwin Groothuis <edwin@mavetju.org>
To: Chuck Swiger <cswiger@mac.com>
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On Sat, Feb 25, 2006 at 08:47:00AM -0500, Chuck Swiger wrote:
> Edwin Groothuis wrote:
> > The situation is as follows:
> > 
> > We have a couple of FreeBSD routers, with RFC1918 addresses on the
> > ethernets and a public address on the loopback. This works fine for
> > connecting to the routers, but is problematic for locally originated
> > outgoing traffic (think NTP, think syslog): it takes the IP address
> > of the outgoing interface, which is the RFC1918 address.
> 
> You're giving lo0 a public IP?  Why?

So that it's always reachable. The machines are routers (i.e. one
or more LAN interfaces, one or more WAN interfaces). If one WAN
interface is down, traffic will follow a different path. The loopback
interface is always up, so it's always reachable.

> If you want to reach the box via a public IP and are using 1-to-1 NAT
> translation to deliver the traffic to one of your NICs using unroutable RFC-1918
> addresses, why not configure that NIC to also have the public IP, too?

> The IP used for locally originated traffic should be governed by the address
> specified in the bind() call; if you want that to be different, normally you
> configure the associated software being run to use something else.

Yes, but what if the software doesn't support it? Like said, I could
try a jail but I wonder what kind of limitations that brings on
what the software can do. For example, does xntpd work inside a
jail, does snmpd work inside a jail etc.

> I don't know how to override the default the kernel hands you if you leave the
> decision up to it, short of crafting the packets yourself or using some external
> capability like NAT to re-write the addresses being used.

Problem is that the incoming interface doesn't need to match the
outgoing interface, and that confuses ipnat (been there, done that,
forced the route) and that it causes other problems.

Edwin
-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin@mavetju.org    |          Weblog: http://weblog.barnet.com.au/edwin/

From owner-freebsd-net@FreeBSD.ORG  Sat Feb 25 22:27:45 2006
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On Sat, Feb 25, 2006 at 02:28:46PM +0000, Brian Candler wrote:
> On Sat, Feb 25, 2006 at 06:07:22PM +1100, Edwin Groothuis wrote:
> > The situation is as follows:
> > 
> > We have a couple of FreeBSD routers, with RFC1918 addresses on the
> > ethernets and a public address on the loopback. This works fine for
> > connecting to the routers, but is problematic for locally originated
> > outgoing traffic (think NTP, think syslog): it takes the IP address
> > of the outgoing interface, which is the RFC1918 address.
> > 
> > Is there a way (sysctl, kernel option) to define which IP address
> > is used for locally originated outgoing traffic?
> 
> One way is to run your daemon (ntpd, syslogd etc) within a jail, and give
> the jail your public loopback as its IP address.

I'm surely going to try this and see if it works.

Edwin
-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin@mavetju.org    |          Weblog: http://weblog.barnet.com.au/edwin/