Fwd: non-fatal oops with EIP at skb_release_data, available for debugging

[Alessandro Suardi]

Hmm, doesn't seem this ever made the lkml, no idea why...
 CC'ing netdev in case someone can spot anything interesting

The machine (running FC3) is still up and running after
 the oops.

---------- Forwarded message ----------
From: Alessandro Suardi <alessandro.suardi@xxxxxxxxx>
Date: Fri, 4 Mar 2005 21:48:18 +0100
Subject: non-fatal oops with EIP at skb_release_data, available for debugging
To: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>


This is my K7-800, 256MB RAM machine running as
 ed2k/bittorrent 24/7 box... metacity died, but the
 windows are still alive (and working) so if someone
 wants to get more info about it, just ping me...

[root@donkey ~]# cat /proc/version
Linux version 2.6.11-rc3-bk8 (asuardi@donkey) (gcc version 3.4.2
20041017 (Red Hat 3.4.2-6.fc3)) #1 Sat Feb 12 00:01:28 CET 2005
[root@donkey ~]# lsmod
Module                  Size  Used by
loop                   15368  -
nls_iso8859_1           3840  -
parport_pc             29444  -
parport                24704  -
8139too                24896  -
floppy                 57392  -

>From the dmesg ring:

kernel BUG at include/linux/mm.h:343!
invalid operand: 0000 [#1]
PREEMPT
Modules linked in: loop nls_iso8859_1 parport_pc parport 8139too floppy
CPU:    0
EIP:    0060:[<c02da6a2>]    Not tainted VLI
EFLAGS: 00210256   (2.6.11-rc3-bk8)
EIP is at skb_release_data+0x92/0xa0
eax: 00000000   ebx: 00000000   ecx: cca36f80   edx: c11a97c0
esi: c4205f20   edi: c4205f20   ebp: cd149dcc   esp: cd149dc4
ds: 007b   es: 007b   ss: 0068
Process metacity (pid: 2109, threadinfo=cd148000 task=ce8935d0)
Stack: c4205f20 00000000 cd149dd8 c02da6bb c6e9a0c0 cd149df8 c02da737 c5134250
       00000000 c4205f20 c5134250 c4205f20 c5134250 cd149e4c c02feba6 00000000
       00000040 cc68c454 00000000 00000001 cc68c444 cd148000 00000001 00000000
Call Trace:
 [<c0102b2a>] show_stack+0x7a/0x90
 [<c0102cad>] show_registers+0x14d/0x1c0
 [<c0102ea4>] die+0xe4/0x180
 [<c01032e3>] do_invalid_op+0xa3/0xb0
 [<c01027a7>] error_code+0x2b/0x30
 [<c02da6bb>] kfree_skbmem+0xb/0x20
 [<c02da737>] __kfree_skb+0x67/0xf0
 [<c02feba6>] tcp_recvmsg+0x5f6/0x710
 [<c02da1e6>] sock_common_recvmsg+0x46/0x60
 [<c02d6bbe>] sock_aio_read+0xee/0x100
 [<c014e427>] do_sync_read+0x97/0xf0
 [<c014e511>] vfs_read+0x91/0x120
 [<c014e7ed>] sys_read+0x3d/0x70
 [<c01025a9>] sysenter_past_esp+0x52/0x75
Code: c9 e9 03 e5 e5 ff 8d 76 00 5b 5e c9 c3 89 d0 e8 c5 f2 e5 ff eb
cf 89 f0 e8 0c ff ff ff 5b 8b 86 98 00 00 00 5e c9 e9 de e4 e5 ff <0f>
0b 57 01 ab c5 35 c0 eb a5 8d 74 26 00 55 89 e5 53 89 c3 e8

Thanks,

 
--alessandro

  "There is no distance that I don't see
  I do have a will - No limit to my reach"
  
    (Wallflowers, "Empire In My Mind")
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