[Xen-users] Help with system

[Gilberto Nunes <gilberto.nunes@xxxxxxxxxxxxxxx>]

Hi...

I have install CentOS 5.4 with Xen 3.0.3...

I get this message from kernel:

Apr  5 09:59:14 zebra kernel: BUG: warning at lib/kref.c:32/kref_get() 
(Not tainted)
Apr  5 09:59:14 zebra kernel:
Apr  5 09:59:14 zebra kernel: Call Trace:
Apr  5 09:59:14 zebra kernel:  [<ffffffff8023824d>] kref_get+0x38/0x3d
Apr  5 09:59:14 zebra kernel:  [<ffffffff8025a440>] kobject_get+0x12/0x17
Apr  5 09:59:14 zebra kernel:  [<ffffffff8024b57f>] blk_get_queue+0x1f/0x26
Apr  5 09:59:14 zebra kernel:  [<ffffffff887198f7>] 
:blkbk:dispatch_rw_block_io+0x4db/0x5a2
Apr  5 09:59:14 zebra kernel:  [<ffffffff80340368>] __next_cpu+0x19/0x28
Apr  5 09:59:14 zebra kernel:  [<ffffffff8028792a>] 
find_busiest_group+0x1db/0x44d
Apr  5 09:59:14 zebra kernel:  [<ffffffff802883c0>] dequeue_task+0x18/0x37
Apr  5 09:59:14 zebra kernel:  [<ffffffff80288407>] 
deactivate_task+0x28/0x5f
Apr  5 09:59:14 zebra kernel:  [<ffffffff8026ef47>] 
monotonic_clock+0x35/0x7b
Apr  5 09:59:14 zebra kernel:  [<ffffffff80262dd3>] thread_return+0x6c/0x113
Apr  5 09:59:14 zebra kernel:  [<ffffffff80340af5>] 
kobject_cleanup+0x39/0x7e
Apr  5 09:59:14 zebra kernel:  [<ffffffff88719d2c>] 
:blkbk:blkif_schedule+0x36e/0x456
Apr  5 09:59:14 zebra kernel:  [<ffffffff887199be>] 
:blkbk:blkif_schedule+0x0/0x456
Apr  5 09:59:14 zebra kernel:  [<ffffffff8029bdab>] 
keventd_create_kthread+0x0/0xc4
Apr  5 09:59:14 zebra kernel:  [<ffffffff80233bef>] kthread+0xfe/0x132
Apr  5 09:59:14 zebra kernel:  [<ffffffff80260b2c>] child_rip+0xa/0x12
Apr  5 09:59:14 zebra kernel:  [<ffffffff8029bdab>] 
keventd_create_kthread+0x0/0xc4
Apr  5 09:59:14 zebra kernel:  [<ffffffff80233af1>] kthread+0x0/0x132
Apr  5 09:59:14 zebra kernel:  [<ffffffff80260b22>] child_rip+0x0/0x12
Apr  5 09:59:14 zebra kernel:

I do not know if this is a Xen Bug or CentOS or a Kernel BUG...

I use this kernel:  2.6.18-164.15.1.el5.centos.plusxen #1 SMP Wed Mar 17 
20:32:20 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
But doesn't matter what kernel I use come from CentOS mirror with xen 
support...
I allways get that kernel message....

Somebody already have thi problem too???

Thanks for any advice...
--
Gilberto Nunes Ferreira
*Suporte T.I.*
*Selbetti Gestão de Documentos*
*(47) 3441-6004 / (47) 8861-6672*
*Fax (47) 3441-6021*
/*gilberto.nunes@xxxxxxxxxxxxxxx*/



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