Bug#707257: linux-image-3.8-1-686-pae: KVM crashes with "entry failed, hardware error 0x80000021"
On Thu, Jun 06, 2013 at 01:35:13PM +0200, Stefan Pietsch wrote:
> On 06.06.2013 08:42, Gleb Natapov wrote:
> > On Wed, Jun 05, 2013 at 02:51:19PM +0200, Stefan Pietsch wrote:
> >> On 05.06.2013 14:10, Gleb Natapov wrote:
> >>> 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?
> >>
> >>
> >> The machine stops at:
> >>
> >> Performance Events: Broken PMU hardware detected, using software events
> >> only.
> >> Failed to access perfctr msr (MSR c1 is 0)
> >> Enabling APIC mode: Flat. Using 1 I/O APICs
> > Timer initialization is what comes next.
> >
> > I tried 32bit kernel compiled from kvm.git "next" (3.10.0-rc2+) branch and upstream
> > qemu and I cannot reproduce the problem. The guest boots fine.
>
>
> I had no success with the Debian kernel 3.10~rc4-1~exp1 (3.10-rc4-686-pae).
>
> The machine hangs after "Enabling APIC mode: Flat. Using 1 I/O APICs".
OK, since it looks like it hangs during timer initialization can you try
to disable kvmclock? Add -cpu qemu64,-kvmclock to your command line.
Also can you provide the output of "cat /proc/cpuinfo" on your host? And
complete serial output before hang.
--
Gleb.
Reply to: