Date: Sat, 14 Apr 2007 01:39:05 +0000 From: Drew <cotharyus@gmail.com> To: "Bill Moran" <wmoran@potentialtech.com> Cc: questions@freebsd.org Subject: Re: Complete loss of network on 6_STABLE Message-ID: <715841970704131839m3a414f95pf15e200542b9582f@mail.gmail.com> In-Reply-To: <20070413210308.00ae1eb9.wmoran@potentialtech.com> References: <715841970704121750g101c1b12m4f150b8d2871b80c@mail.gmail.com> <715841970704131752o1730f77gd5339b2552657609@mail.gmail.com> <20070413210308.00ae1eb9.wmoran@potentialtech.com>
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On 4/14/07, Bill Moran <wmoran@potentialtech.com> wrote:
>
> Drew <cotharyus@gmail.com> wrote:
> >
> > A little more on this, because now I am really stumped. I have taken
> known
> > good source, and moved it via CD to this machine. I rebuilt, and it
> exhibits
> > exactly the same behavior, with both my kernel, and GENERIC. Pinging an
> IP
> > on my lan results in ping: sendto: host is down. There are no active
> > firewalls on this machine. When I ping another IP on the network,
> activity
> > happens on the switch. I have swapped NIC's to a known working one from
> > another machine, and it behaves identically. I have changed ports on the
> > switch. About the only thing I haven't done is reinstall (which reminds
> me,
> > I have a Freesbie disc around here somewhere to try) - but I'd rather
> that
> > was a last resort. Meaning I'm open to any suggestions anyone might have
> > about this.
>
> I'm coming to this thread a little late, so I apologize if this
> information has already been passed around.
>
> Can you provide ifconfig -a, netstat -m, netstat -s, netstat -rn output
> on the troubled system.
>
ifconfig -a:
sis0: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=8<VLAN_MTU>
ether 00:a0:cc:73:64:69
media: Ethernet autoselect (100baseTX)
status: active
nve0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.6 netmask 0xffffff00 broadcast 192.168.1.255
ether 00:15:f2:7f:80:86
media: Ethernet autoselect (100baseTX <half-duplex>)
status: active
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet6 ::1 prefixlen 128
(note the sis0 has no configuration in the system we are talking about,
that's the working test card I installed, and what I'm using with Freesbie,
as it doesn't seem to know about the nve0)
netstat -m:
130/395/525 mbufs in use (current/cache/total)
128/146/274/25600 mbuf clusters in use (current/cache/total/max)
128/128 mbuf+clusters out of packet secondary zone in use (current/cache)
0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
288K/390K/679K bytes allocated to network (current/cache/total)
0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0/5/6656 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
0 calls to protocol drain routines
netstat -s:
tcp:
0 packets sent
0 data packets (0 bytes)
0 data packets (0 bytes) retransmitted
0 data packets unnecessarily retransmitted
0 resends initiated by MTU discovery
0 ack-only packets (0 delayed)
0 URG only packets
0 window probe packets
0 window update packets
0 control packets
3 packets received
0 acks (for 0 bytes)
0 duplicate acks
0 acks for unsent data
0 packets (0 bytes) received in-sequence
0 completely duplicate packets (0 bytes)
0 old duplicate packets
0 packets with some dup. data (0 bytes duped)
0 out-of-order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
0 window update packets
0 packets received after close
0 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
0 connection requests
0 connection accepts
0 bad connection attempts
0 listen queue overflows
0 ignored RSTs in the windows
0 connections established (including accepts)
5 connections closed (including 0 drops)
0 connections updated cached RTT on close
0 connections updated cached RTT variance on close
0 connections updated cached ssthresh on close
0 embryonic connections dropped
0 segments updated rtt (of 0 attempts)
0 retransmit timeouts
0 connections dropped by rexmit timeout
0 persist timeouts
0 connections dropped by persist timeout
0 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
0 correct ACK header predictions
0 correct data packet header predictions
0 syncache entries added
0 retransmitted
0 dupsyn
0 dropped
0 completed
0 bucket overflow
0 cache overflow
0 reset
0 stale
0 aborted
0 badack
0 unreach
0 zone failures
0 cookies sent
0 cookies received
0 SACK recovery episodes
0 segment rexmits in SACK recovery episodes
0 byte rexmits in SACK recovery episodes
0 SACK options (SACK blocks) received
0 SACK options (SACK blocks) sent
0 SACK scoreboard overflow
udp:
9 datagrams received
0 with incomplete header
0 with bad data length field
0 with bad checksum
0 with no checksum
4 dropped due to no socket
0 broadcast/multicast datagrams dropped due to no socket
0 dropped due to full socket buffers
0 not for hashed pcb
5 delivered
36 datagrams output
ip:
554 total packets received
0 bad header checksums
0 with size smaller than minimum
0 with data size < data length
0 with ip length > max ip packet size
0 with header length < data size
0 with data length < header length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets reassembled ok
12 packets for this host
0 packets for unknown/unsupported protocol
0 packets forwarded (0 packets fast forwarded)
510 packets not forwardable
32 packets received for unknown multicast group
0 redirects sent
46 packets sent from this host
0 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
0 output packets discarded due to no route
0 output datagrams fragmented
0 fragments created
0 datagrams that can't be fragmented
0 tunneling packets that can't find gif
0 datagrams with bad address in header
icmp:
4 calls to icmp_error
0 errors not generated in response to an icmp message
Output histogram:
destination unreachable: 4
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
0 multicast echo requests ignored
0 multicast timestamp requests ignored
0 message responses generated
0 invalid return addresses
0 no return routes
ICMP address mask responses are disabled
igmp:
0 messages received
0 messages received with too few bytes
0 messages received with bad checksum
0 membership queries received
0 membership queries received with invalid field(s)
0 membership reports received
0 membership reports received with invalid field(s)
0 membership reports received for groups to which we belong
0 membership reports sent
ip6:
0 total packets received
0 with size smaller than minimum
0 with data size < data length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 fragments that exceeded limit
0 packets reassembled ok
0 packets for this host
0 packets forwarded
0 packets not forwardable
0 redirects sent
6 packets sent from this host
0 packets sent with fabricated ip header
0 output packets dropped due to no bufs, etc.
0 output packets discarded due to no route
0 output datagrams fragmented
0 fragments created
0 datagrams that can't be fragmented
0 packets that violated scope rules
0 multicast packets which we don't join
Mbuf statistics:
0 one mbuf
0 one ext mbuf
0 two or more ext mbuf
0 packets whose headers are not continuous
0 tunneling packets that can't find gif
0 packets discarded because of too many headers
0 failures of source address selection
0 forward cache hit
0 forward cache miss
Source addresses selection rule applied:
icmp6:
0 calls to icmp6_error
0 errors not generated in response to an icmp6 message
0 errors not generated because of rate limitation
Output histogram:
multicast listener report: 6
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Histogram of error messages to be generated:
0 no route
0 administratively prohibited
0 address unreachable
0 port unreachable
0 packet too big
0 time exceed transit
0 time exceed reassembly
0 erroneous header field
0 unrecognized next header
0 unrecognized option
0 redirect
0 unknown
0 message responses generated
0 messages with too many ND options
0 messages with bad ND options
0 bad neighbor solicitation messages
0 bad neighbor advertisement messages
0 bad router solicitation messages
0 bad router advertisement messages
0 bad redirect messages
0 path MTU changes
rip6:
0 messages received
0 checksum calcurations on inbound
0 messages with bad checksum
0 messages dropped due to no socket
0 multicast messages dropped due to no socket
0 messages dropped due to full socket buffers
0 delivered
0 datagrams output
netstat -rn:
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.1.4 UGS 0 10 nve0
192.168.1 link#2 UC 0 0 nve0
192.168.1.4 link#2 UHLW 2 36 nve0
Internet6:
Destination Gateway Flags
Netif
Expire
::1 ::1 UHL
lo0
fe80::%lo0/64 fe80::1%lo0 U
lo0
fe80::1%lo0 link#4 UHL
lo0
ff01:4::/32 fe80::1%lo0 UC
lo0
ff02::%lo0/32 fe80::1%lo0 UC
lo0
Lots of copying and pasting. Let me know if you have any questions about
anything else, but I think I explained the only thing that looked strange
(so maybe if there's something else strange, that's my problem....)
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