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

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On 23.06.2013 19:36, Gleb Natapov wrote:
> On Sun, Jun 23, 2013 at 06:51:30PM +0200, Stefan Pietsch wrote:
>> On 23.06.2013 09:51, Gleb Natapov wrote:
>>> On Thu, Jun 20, 2013 at 07:01:49PM +0200, Stefan Pietsch wrote:
>>>>> 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.
>>>>
>>>>
>>>> 25391454e73e3156202264eb3c473825afe4bc94
>>>>  emulate_invalid_guest_state=0
>>>>
>>> Very interesting. Looks like somewhere during TPR access FS
>>> register gets corrupted. Can you remove /usr/share/kvm/kvmvapic.bin
>>> and try again? This will disable some code paths during TPR access and
>>> will narrow down the issue.
>>
>>
>> Doing this, qemu complains
>> "Could not open option rom 'kvmvapic.bin': No such file or directory",
>> but the virtual machine boots successful with
>> emulate_invalid_guest_state=0 and emulate_invalid_guest_state=1.
>>
> Hmm, I think we ate close. Can you try with upstream qemu?
> 
>> kvmvapic.bin comes with Debian package "seabios 1.7.2-3".

I already tried this with the Debian package qemu-kvm 1.5.0+dfsg-4.
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