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

Thu May 12 20:09:33 UTC 2016

I will try later with sc2.

I do play in ultra, as changing from this to low makes no differences =)
The game works, no visual glitches. But it's performance is much more lower
than it should be...

--
Deldycke Quentin

On 12 May 2016 at 22:04, Abdulla Bubshait <darkstego at gmail.com> wrote:

> Honestly, with the msrs ignore I got the game to work fine. Running on
> ultra settings with no issue. This might not be an msrs issue. Try
> StarCraft 2, it uses the same engine and also produces msrs faults.
>
> On Thu, May 12, 2016, 15:52 Quentin Deldycke <quentindeldycke at gmail.com>
> wrote:
>
>> Same, does not work, even with the multiples binaries of the game
>> (launched threw battle.net)
>>
>> Just for people to know it makes the card have this kind of herratic gpu
>> usage during game... Which is quite a pain to play...
>>
>> [image: Inline images 1]
>>
>> Note that it became more quiet while entering menus after game end (after
>> the line with the hour...)
>>
>> --
>> Deldycke Quentin
>>
>>
>> On 11 May 2016 at 18:04, Abdulla Bubshait <darkstego at gmail.com> wrote:
>>
>>> I have tried running it in Compatibility mode, but it didn't work.
>>>
>>> On Wed, May 11, 2016 at 10:04 AM Brett Peckinpaugh <bp10 at erylflynn.com>
>>> wrote:
>>>
>>>> Have you tried running the game in compatibility mode set to 8.1?
>>>>
>>>>
>>>> On May 11, 2016 5:26:19 AM PDT, Abdulla Bubshait <darkstego at gmail.com>
>>>> wrote:
>>>>>
>>>>> StarCraft and heroes are the two games that have this problem, they
>>>>> are both based on the same engine. Unfortunately I cannot test the cpu
>>>>> because if I were to change my cpu to anything but "host" my machine will
>>>>> not boot (I believe this is due to a problem with the AMD drivers).
>>>>>
>>>>> I believe the MSRs are called by Windows 10, since they are privileged
>>>>> registers. Likely for debugging purposes here.
>>>>>
>>>>> I would suggest trying something more related tou your  cpu ("Haswell"
>>>>> in my case) instead of "core2duo". I remember when I first tried to install
>>>>> Win10 under virt-manager I got a KVM error about unsupported cpu functions
>>>>> when I tried to clone the host cpu. Setting it to Haswell cleared those
>>>>> errors so this might have something to do with it. Unfortunately that
>>>>> didn't play nice with my video card so I ended up with a command line setup
>>>>> as virt-manager setup refused to load AMD drivers.
>>>>> Hope this helps.
>>>>>
>>>>> Abdulla
>>>>>
>>>>> On Wed, May 11, 2016, 04:03 Ivan Volosyuk <ivan.volosyuk at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> My 2c: I had the same issues with StarCraft crashing on Win10 due to
>>>>>> the unsupported msrs (or producing lots of logs in dmesg). On Win8.1 I
>>>>>> don't have this problem. My best guess is that nvidia drivers for Win10
>>>>>> started to use msrs unsupported by qemu. Can you change your CPU to
>>>>>> emulated core2duo and check if it actually works faster and doesn't produce
>>>>>> this logging spam?
>>>>>>
>>>>>> On Wed, May 11, 2016 at 4:50 PM Quentin Deldycke <
>>>>>> quentindeldycke at gmail.com> wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I also play quite much this game. Adding this option makes the game
>>>>>>> "Works".
>>>>>>>
>>>>>>> But for me, it is also the game with worst performance. As there is
>>>>>>> a storm of unsupported msr (not 1 or 2 but hundreds of thousands...)
>>>>>>>
>>>>>>> Do you have correct performance?  I go between 120 at begging to 15
>>>>>>> during fights.
>>>>>>>
>>>>>>> Note that this is the only game making such mess with msr. Other
>>>>>>> blizzard games works perfectly...
>>>>>>> On 11 May 2016 1:04 am, "Abdulla Bubshait" <darkstego at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> 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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>>>>>> ------------------------------
>>>>>
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>>
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