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Bug#650722: linux-image-2.6.32-5-amd64: kernel BUG at mm/hugetlb.c:1986 while doing virsh save of a KVM guest



Hi,

Am 05.12.2011 03:13, schrieb Ben Hutchings:
> On Fri, 2011-12-02 at 11:50 +0100, Arnd Hannemann wrote:
>   
>> Package: linux-2.6
>> Version: 2.6.32-38
>> Severity: normal
>>
>>
>> I'm using hugetlb memory for my KVM guests.
>> When trying to save a guest state to a file with "virsh save" I hit the below kernel bug:
>>     
> [...]
>
> Did this occur only once, or is it reproducible?
>   

Unfortunately I couldn't reproduce it, I just tried it a dozen times,
and it worked.

> Unfortunately, I can't find an upstream bug fix that's obviously related
> to this.  (There has been a fix for a bug that caused the same assertion
> to fail, but that bug was only introduced after Linux 2.6.32.)
>   

Ok, thanks for investigating. I think then you can close this bug,
I migh reopen it, if I have a test case which is reproducible.

Best regards
Arnd

-- 
Arnd Hannemann
Tel.: +49 (0) 2161 / 4643 - 134

credativ GmbH, HRB Mönchengladbach 12080
Hohenzollernstr. 133, 41061 Mönchengladbach
Geschäftsführung: Dr. Michael Meskes, Jörg Folz


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