Re: oops in 2.6.13-rc6-git12 in tcp/netfilter routines

[Alessandro Suardi <alessandro.suardi@gmail.com>]

On 8/26/05, Patrick McHardy <kaber@trash.net> wrote:
> Alessandro Suardi wrote:
> > Stack is hand-copied from the dead box's console.
> >
> > [<c0103714>] die+0xe4/0x170
> > [<c010381f>] do_trap+0x7f/0xc0
> > [<c0103b33>] do_invalid_op+0xa3/0xb0
> > [<c0102faf>] error_code+0x4f/0x54
> > [<c02eb05b>] kfree_skbmem+0xb/0x20
> > [<c02eb0cf>] __kfree_skb+0x5f/0xf0
> > [<c031304a>] tcp_clean_rtx_queue+0x16a/0x470
> > [<c0313746>] tcp_ack+0xf6/0x360
> > [<c0315d57>] tcp_rcv_established+0x277/0x7a0
> > [<c031eba0>] tcp_v4_do_rcv+0xf0/0x110
> > [<c031f2a0>] tcp_v4_rcv+0x6e0/0x820
> > [<c0305594>] ip_local_deliver_finish+0x84/0x160
> > [<c02fbe4a>] nf_reinject+0x13a/0x1c0
> > [<c033f0d8>] ipq_issue_verdict+0x28/0x40
> > [<c033f968>] ipq_set_verdict+0x48/0x70
> > [<c033fa79>] ipq_receive_peer+0x39/0x50
> > [<c033fc72>] ipq_receive_sk+0x172/0x190
> > [<c02fffa5>] netlink_data_ready+0x35/0x60
> > [<c02ff4a4>] netlink_sendskb+0x24/0x60
> > [<c02ff657>] netlink_unicast+0x127/0x160
> > [<c02ffcc4>] netlink_sendmsg+0x204/0x2b0
> > [<c02e6dc0>] sock_sendmsg+0xb0/0xe0
> > [<c02e83f4>] sys_sendmsg+0x134/0x240
> > [<c02e88e4>] sys_socketcall+0x224/0x230
> > [<c0102d3b>] sysenter_past_esp+0x54/0x75
> > Code: 8b 41 0c 85 c0 75 1b 8b 86 94 00 00 00 e8 9e 37 e5 ff 5b 5e c9
> > c3 89 d0 e8 43 46 e5 ff 8d 76 00 eb d2 89 f0 e8 f7 fe ff ff eb dc <0f>
> > 0b 54 01 16 d2 36 c0 eb b4 8d 74 26 00 8d bc 27 00 00 00 00
> > <0>Kernel panic - not syncing: Fatal exception in interrupt
> >
> > If there's need for further info I'd be happy to provide it. For now
> >  the box is rebooted into the same kernel and running the same
> >  PG/eD2k programs, if the issue reproduces I'll follow up on my
> >  own message.
> 
> Any chance you can get the entire Oops including registers etc
> using netconsole or serial console?

Not right now, as I noticed netconsole requires netpoll and this
 latter can't be modular; but I'll do so before leaving tomorrow
 morning, obviously rebuilding with 2.6.13-rc7-git1 or -git2 if
 the new snapshot comes out.

At the moment, the box has been running for 32 hours with
 no sign of wanting to oops...

[root@donkey ~]# ps ax | egrep 'peer|edon'
 2416 pts/2    Sl    25:37 peerguardnf -d -l /var/log/pg.log -c /etc/PG.conf
25186 pts/0    R+    76:37 ./edonkey2000
25189 pts/0    S+     0:06 ./edonkey2000
25191 pts/0    S+     9:49 ./edonkey2000
 7007 pts/0    S+     0:00 ./edonkey2000
 7011 pts/3    R+     0:00 egrep peer|edon
[root@donkey ~]# w
 22:37:53 up 1 day,  7:49,  4 users,  load average: 0.15, 0.18, 0.25
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    donkey:2.0       Thu14   20:15m  1:26m  0.00s bash
root     pts/1    donkey:2.0       Thu14   13:40m  0.41s  1:57 
gnome-terminal --sm-config-prefix /gnome-terminal-wBjEOn/ -
root     pts/2    donkey:2.0       Thu14    4:07  25:37   0.49s bash
root     pts/3    192.168.1.6      22:37    0.00s  0.06s  0.01s w

Thanks,

--alessandro

 "Not every smile means I'm laughing inside"

    (Wallflowers - "From The Bottom Of My Heart")