[Fedora-xen] kernel crash

[Sadique Puthen]

Jordi Prats wrote:
> 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.

Downgrade the kernel to 2.6.19.   2.6.20 is buggy.

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=234008

>
> All this messages does not make any sense to me.
>
> Regards,
>