[vfio-users] BSOD occuring with 1 game in VM

[Abdulla Bubshait]

Just put that in and it solved the problem.

Thanks

On Tue, May 10, 2016 at 6:54 PM Alex Williamson <alex.l.williamson at gmail.com>
wrote:

> On Tue, May 10, 2016 at 4:40 PM, Abdulla Bubshait <darkstego at gmail.com>
> wrote:
>
>> I have a pretty stable VFIO setup running for a while, but I am stuck
>> with this
>> odd problem where 1 game (heroes of the storm) keeps giving me a BSOD
>> whenever I try to run it in the VM under Windows 10.
>>
>>  All other games are running fine. If I install Windows 8 in the VM the
>> game runs fine.
>>  If I boot the machine into the Windows 10 HDD directly the game runs
>> fine.
>> This crash occurs with both Nvidia GTX 770 and AMD Fury X.
>> It only crashes when in VM and Windows 10.
>>
>> The BSOD is some form of exception. Examples that occur
>> SYSTEM_SERVICE_EXCEPTION
>> KMODE_EXCEPTION_NOT_HANDLED
>> SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
>> The dump files seem to suggest a windows8 driver issue,
>> but I can't pinpoint any faulty driver.
>>
>> I am running netrunner (manjaro) kernel 4.4.9, qemu 2.5.1.
>>
>> My config is:
>> http://pastebin.com/W6cPyMEB
>>
>> Sample BSOD dumps:
>> http://pastebin.com/bgh2uEhf
>> http://pastebin.com/SLPTVUwn
>> http://pastebin.com/zdjTzKuV
>> http://pastebin.com/8Lt5VfLg
>>
>> Welcome any ideas to fix this problem. Thanks,
>>
>
>
> Do you have the following set in a modprobe.d conf file?
>
> options kvm ignore_msrs=1
>
> Windows BSODs are often the result of calling an unsupported MSR and not
> handling the exception.  There's some risk to this option because zero
> isn't guaranteed to be a valid return for an unknown MSR, but it seems to
> solve a lot of problems.  YMMV.
>
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