Re: [RFT] Fix for unhandled msr c0000081 problems under Intel cpus

Avi Kivity
2006-12-28T13:21:18Z

Ingo Molnar wrote:
> * Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
>
>
>>> I'll commit the previous patch (which is correct, even if no guest
>>> actually uses syscall), and teach qemu not to read MSR_STAR when it
>>> isn't available.
>>>
>> A patch is attached. Please test.
>>
>> (note it changes libkvm too)
>>
>
> hm, this patch doesnt seem to work, qemu gives me:
>
> Could not create KVM context
>
> it comes from:
>
> 3064 ioctl(3, 0x4004ae0b, 0) = 0
> 3064 ioctl(3, 0xc004ae0f, 0xbff8bd98) = -1 E2BIG (Argument list too long)
>
> but i have an older (2-weeks) qemu drop from branches/release/qemu - is
> that one supposed to work?
>

There was an accompanying bug in libkvm or qemu IIRC.

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