On Wed, Jun 05, 2013 at 01:57:25PM +0200, Stefan Pietsch wrote:
> On 19.05.2013 14:32, Gleb Natapov wrote:
> > On Sun, May 19, 2013 at 02:00:31AM +0100, Ben Hutchings wrote:
> >> Dear KVM maintainers, it appears that there is a gap in x86 emulation,
> >> at least on a 32-bit host. Stefan found this when running GRML, a live
> >> distribution which can be downloaded from:
> >> <http://download.grml.org/grml32-full_2013.02.iso>. His original
> >> reported is at <http://bugs.debian.org/707257>.
> >>
> > Can you verify with latest linux.git HEAD? It works for me there on
> > 64bit. There were a lot of problems fixed in this area in 3.9/3.10 time
> > frame,
> > so it would be helpful if you'll test 32bit before I install one myself.
>
>
> Kernel version 3.9.4-1 (linux-image-3.9-1-686-pae) made things worse.
>
> The virtual machine tries to boot the kernel, but stops after a few
> seconds and the kern.log shows:
At what point does it stop?
>
> kernel: [13851.000412] kvm [7482]: vcpu0 disabled perfctr wrmsr: 0xc1
> data 0xffff
>
That's harmless.
>
> virtual machine was started with:
> qemu-system-i386 -machine accel=kvm -m 512 -cdrom grml32-full_2013.02.iso
>
> qemu-system-x86: 1.5.0+dfsg-3
--
Gleb.
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