kvm_run: Invalid argument

kvm_run: Invalid argument

[Ben Collins]

Trying to test out kvm for Ubuntu, and am running into problems. I've
used kvm-11 and 2.6.20-git plus the 5 patches sent to lkml today. Result
is the same:

# kvm -hda vdisk.img -cdrom Edgy-i386-Desktop.iso -boot d -m 384
kvm_run: Invalid argument

Dmesg only shows:

[ 3440.904376] kvm: msrs: 2


Any ideas, what to try? I'm using qemu 0.8.2.


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Re: kvm_run: Invalid argument

[Avi Kivity]

Ben Collins wrote:
> Trying to test out kvm for Ubuntu, and am running into problems. I've
> used kvm-11 and 2.6.20-git plus the 5 patches sent to lkml today. Result
> is the same:
>
> # kvm -hda vdisk.img -cdrom Edgy-i386-Desktop.iso -boot d -m 384
> kvm_run: Invalid argument
>
> Dmesg only shows:
>
> [ 3440.904376] kvm: msrs: 2
>
>
> Any ideas, what to try? I'm using qemu 0.8.2.
>
>   

Are you using 32-bit userspace on a 64-bit kernel?  Perhaps we broke it 
on the last API change.

Otherwise, an strace would be nice.



-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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Re: kvm_run: Invalid argument

[Ben Collins]

On Fri, 2007-01-12 at 09:36 +0200, Avi Kivity wrote:
> Ben Collins wrote:
> > Trying to test out kvm for Ubuntu, and am running into problems. I've
> > used kvm-11 and 2.6.20-git plus the 5 patches sent to lkml today. Result
> > is the same:
> >
> > # kvm -hda vdisk.img -cdrom Edgy-i386-Desktop.iso -boot d -m 384
> > kvm_run: Invalid argument
> >
> > Dmesg only shows:
> >
> > [ 3440.904376] kvm: msrs: 2
> >
> >
> > Any ideas, what to try? I'm using qemu 0.8.2.
> >
> >   
> 
> Are you using 32-bit userspace on a 64-bit kernel?  Perhaps we broke it 
> on the last API change.
> 
> Otherwise, an strace would be nice.

A combination of problems caused it. For one, conflicting userspace and
kernel modules. Second, livecd boot (with bootsplash).

Using another CD, things work fine. Are there any plans to emulate the
real mode stuff? Any work started on it yet?

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