Bug#707257: linux-image-3.8-1-686-pae: KVM crashes with "entry failed, hardware error 0x80000021"

[Gleb Natapov <gleb@redhat.com>]

On Wed, Jun 19, 2013 at 04:12:04PM +0200, Stefan Pietsch wrote:
> On 19.06.2013 15:41, Gleb Natapov wrote:
> > On Sun, Jun 16, 2013 at 02:25:04AM +0200, Stefan Pietsch wrote:
> >>
> >> first bad commit: [25391454e73e3156202264eb3c473825afe4bc94]
> >> KVM: VMX: don't clobber segment AR of unusable segments.
> >>
> >>
> >> 25391454e73e3156202264eb3c473825afe4bc94
> >> emulate_invalid_guest_state=0 -> hangs and shows "KVM: entry failed"
> >> emulate_invalid_guest_state=1 -> hangs
> >>
> > With emulate_invalid_guest_state=1 the commit does nothing. Can you
> > double check that 218e763f458c44f30041c1b48b4371e130fd4317 works for you
> > with emulate_invalid_guest_state=1?
> 
> 
> 218e763f458c44f30041c1b48b4371e130fd4317
> emulate_invalid_guest_state=0 -> works
> emulate_invalid_guest_state=1 -> hangs
> 
> 25391454e73e3156202264eb3c473825afe4bc94 broke
> emulate_invalid_guest_state=0.
Can you provide the output of 25391454e73e3156202264eb3c473825afe4bc94
and emulate_invalid_guest_state=0. Also run "x/20i $pc-20" in qemu
monitor after the hang.

--
			Gleb.