Re: kvm poweroff deadlock

From: Zdenek Kabelac
Date: Wed Jan 07 2009 - 08:42:47 EST


2009/1/7 Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>:
> 2009/1/6 Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>:
>> Hi
>>
>> While testing latest 2.6.29-rc inside qemu-kvm guest I've got this
>> deadlock while executing poweroff:
>>
>> sd 0:0:0:0: [sda] Stopping disk
>>
>> ACPI: Preparing to enter system sleep state S5
>>
>
> Hi
>
> This might be related to my previous post - but today with
> commit: ede6f5aea054d3fb67c78857f7abdee602302043
>
> I'm getting this oops inside qemu guest while doing poweroff:
>
> ACPI: Preparing to enter system sleep state S5
>
> Disabling non-boot CPUs ...
>
> BUG: unable to handle kernel paging request at 000077ffe1adad5f
>
> IP: [<ffffffff802592d4>] queue_work_on+0x44/0x60
>

My problem seems to be fixed by this patch:


http://marc.info/?l=linux-kernel&m=123131978225429&w=2

Zdenek
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