Re: [PATCH] support piix PAM registers in KVM

Avi Kivity
2011-06-19T12:46:15Z

On 06/15/2011 06:27 PM, Jason Krieg wrote:
> On 06/15/2011 05:19 PM, Avi Kivity wrote:
>> On 06/15/2011 06:16 PM, Jason Krieg wrote:
>>> On 06/15/2011 03:59 PM, Avi Kivity wrote:
>>>> On 06/15/2011 04:57 PM, Avi Kivity wrote:
>>>>>
>>>>>>
>>>>>> Any ideas for what I could look for ?
>>>>>>
>>>>>
>>>>> Try -no-tpr-opt (on both sides).
>>>>>
>>>>
>>>> There's no such option. Try commenting out the device_init line of
>>>> kvm-tpr-opt.c.
>>>>
>>>
>>> I disabled this on both sides but still the same behaviour windows
>>> crashes after ~45min
>>>
>>
>> 45 minutes!
>>
>> Anything from the crash to indicate what's wrong?
>>
>
> debugging Windows is not really easy mostly just saying nothing.
>
> windows runs at first normally but after some time somewhere between a
> few minutes and 1.5h
> the windows kernel process goes crazy running with 100% cpu and after
> running like this for a few
> more minutes windows is completely frozen.
>

Sometimes examining the running code and registers in the qemu monitor,
perhaps resolving symbols via WinDbg, helps in getting a clue... it's
not easy though.

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