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Date:      Mon, 16 Jul 2012 00:13:06 +0000
From:      "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
To:        Mike Tancsa <mike@sentex.net>
Cc:        Przemyslaw Frasunek <venglin@freebsd.lublin.pl>, Ryan Stone <rysto32@gmail.com>, Eugene Grosbein <egrosbein@rdtc.ru>, freebsd-net@freebsd.org
Subject:   Re: mpd5/Netgraph issues after upgrading to 7.4
Message-ID:  <65702E3D-9373-4CC7-9CB4-81704EF44ED8@lists.zabbadoz.net>
In-Reply-To: <50032E10.3060607@sentex.net>
References:  <20110513162311.GK95084@glebius.int.ru>	<4DD298AD.2060905@frasunek.com>	<20110517184613.GN74366@glebius.int.ru>	<4FDB1D71.6050908@freebsd.lublin.pl>	<20120615203142.GW28613@glebius.int.ru>	<4FDBAFD7.9020606@freebsd.lublin.pl>	<4FDF2F81.6030307@sentex.net>	<4FDF3097.6080701@freebsd.lublin.pl>	<4FE0EE62.5070905@freebsd.lublin.pl>	<4FF7F2C6.5070401@freebsd.lublin.pl>	<20120709081225.GJ21957@glebius.int.ru> <CAFMmRNydo=Bci=WM5mODS0vhiv8%2B2Oj39XKTXkEymYOJunhPxg@mail.gmail.com> <4FFBB7A8.90201@rdtc.ru> <4FFBCA96.3000605@freebsd.lublin.pl> <50032E10.3060607@sentex.net>

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On 15. Jul 2012, at 20:54 , Mike Tancsa wrote:

> On 7/10/2012 2:24 AM, Przemyslaw Frasunek wrote:
>>> It seems, Przemyslaw Frasunek uses proxyarp?
>>> I have no such problems but I do not use proxyarp.
>>> Could you get rid of it, Przemyslaw?
>>=20
>> No, I don't use proxy ARP. I have about 300 PPPoE ng interfaces and =
10 VLANs
>> with plain IP traffic. ARP table has only < 50 entries, all of them =
are dynamic.
>=20
> I had a new one. Unfortunately, it did not generate a coredump file =
for
> some reason.  Kernel was from ~ mid Feb
>=20
> Fatal trap 9: general protection fault while in kernel mode
> cpuid =3D 1; apic id =3D 02
...
> Uptime: 151d12h10m10s
> ipfw: 11 Deny TCP 192.168.1.99:33822 208.47.254.32:80 in via ng471
> Dumping 883 out of 8145 MB:ipfw: 13 Deny UDP 64.7.157.21:512
> 192.168.254.46:137 in via ng21
> panic: bufwrite: buffer is not busy???
> cpuid =3D 1
> Uptime: 151d12h10m10s

Hmm this one means we didn't stop all CPUs properly on panic;  I think =
that
was fixed since?  At least it's the reason you didn't have a chance to =
get
the core dump.

However of course the initial problem leading to the panic of course
is its own issue still.

--=20
Bjoern A. Zeeb                                 You have to have visions!
   It does not matter how good you are. It matters what good you do!




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