Re: [ kernel 3.5 ] Kernel bug when using kvm

[Avi Kivity <avi@redhat.com>]

On 07/16/2012 05:37 PM, nicolas prochazka wrote:
> No, It is not 100% reproductible, I'm trying to find the case, but :
> Now when i start a qemu-kvm ,
> there is a kvm-pit/xxxx  which takes a lot of cpu time ( ~ 20 %) ,  (
> not with kernel 3.3.8 )
> 
> for the complete stack trace, which kernel options should i set,
> i've already kernel debug .

Should be following the BUG message.  Is what you posted everything you got?

> 
> Regards,
> Nicolas Prochazka.
> 
> 2012/7/16 Avi Kivity <avi@redhat.com>:
>> On 07/16/2012 02:06 PM, nicolas prochazka wrote:
>>> Hello,
>>> with linux kernel 3.5rc6 and 3.5rc7
>>> I do not test with other kernel 3.5.
>>> On linux kernel 3.3.8 ,  threre is no problem.
>>>
>>> If I start qemu-kvm process, system is overload and
>>> dmesg :
>>>
>>>  BUG: unable to handle kernel paging request at 000000010000003b
>>> IP: [<ffffffff8119f694>] tid_fd_revalidate+0x84/0x1a0
>>> PGD 66989a067 PUD 0
>>> Oops: 0000 [#1] SMP
>>> CPU 3
>>> Modules linked in: [last unloaded: kvm]
>>
>> Is this repeatable?
>>
>> Please post a complete stack trace.
>>
>>
>>
>>
>> --
>> error compiling committee.c: too many arguments to function
>>
>>
> 


-- 
error compiling committee.c: too many arguments to function