[Fedora-xen] kernel crash

[Jordi Prats]

Hi all,
After updating a FC6 and rebooting I've got this kernel panic:

inf15 kernel: ------------[ cut here ]------------

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: invalid opcode: 0000 [#1]

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: SMP

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: CPU:    3

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: EIP:    0061:[<c04e25a9>]    Not tainted VLI

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: EFLAGS: 00010092   (2.6.20-1.2944.fc6xen #1)

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: EIP is at list_del+0x21/0x5d

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: eax: 00000048   ebx: c997b3a8   ecx: c06e6b50   edx: f54160c0

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: esi: c997b000   edi: c997fcc0   ebp: ed7ea8c0   esp: ed7d9ef4

Message from syslogd at inf15 at Tue Aug  1 00:01:23 2006 ...
inf15 kernel: ds: 007b   es: 007b   ss: 0069

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel: Process events/3 (pid: 17, ti=ed7d9000 task=c0b6c0f0 
task.ti=ed7d9000)

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel: Stack: c06a49ea c997b000 ffff0000 c997b3a8 c046277b 
00000005 00000000 0000000b

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:        00000002 c0b586a8 c0b586a0 0000000b c0b58680 
00000000 c046288b 00000000

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:        00000000 ed7ea8c0 c997fce4 c997fcc0 ed7ea8c0 
00000000 c101a4c0 c0463af1

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel: Call Trace:

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c046277b>] free_block+0x5f/0xe5

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c046288b>] drain_array+0x8a/0xb5

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c0463af1>] cache_reap+0x61/0x124

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c042a886>] run_workqueue+0x85/0x125

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c0611b9a>] _spin_lock_irqsave+0x12/0x17

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c0463a90>] cache_reap+0x0/0x124

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c042b1d8>] worker_thread+0xd9/0x105

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c0418be7>] default_wake_function+0x0/0xc

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c042b0ff>] worker_thread+0x0/0x105

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c042d83f>] kthread+0xb0/0xd9

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c042d78f>] kthread+0x0/0xd9

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  [<c0405173>] kernel_thread_helper+0x7/0x10

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel:  =======================

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel: Code: 63 00 00 00 89 c3 eb e8 90 90 53 83 ec 0c 8b 48 04 
8b 11 39 c2 74 18 89 54 24 08 89 44 24 04 c7 04 24 ea 49 6a c0 e8 47 b7 
f3 ff <0f> 0b eb fe 8b 10 8b 5a 04 39 c3 74 18 89 5c 24 08 89 44 24 04

Message from syslogd at inf15 at Tue Aug  1 00:01:24 2006 ...
inf15 kernel: EIP: [<c04e25a9>] list_del+0x21/0x5d SS:ESP 0069:ed7d9ef4


The kernel version is: 2.6.20-1.2944.fc6.

All this messages does not make any sense to me.

Regards,

-- 
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         __
        / /          Jordi Prats
  C E / S / C A      Dept. de Sistemes
      /_/            Centre de Supercomputació de Catalunya

  Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona
  T. 93 205 6464 · F.  93 205 6979 · jprats at cesca.es
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