[vfio-users] GPU passthrough errors with linux 5.1 and newer
Zoltán Kővágó
dirty.ice.hu at gmail.com
Thu Aug 15 20:44:00 UTC 2019
Hello,
On 2019-08-15 17:40, Alex Williamson wrote:
> On Sat, 3 Aug 2019 19:20:56 +0200
> "Zoltán Kővágó" <dirty.ice.hu at gmail.com> wrote:
>
>> I'm attaching the workaround I use with linux 5.2.1 and a w8.1 guest.
>> I'm not saying you should use it, as it probably has a negative effect
>> on performance (I never benchmarked it, but I didn't notice anything
>> with older games) but at least you could confirm whether you have the
>> same problem or not.
>
> There's a workaround posted upstream in the same spirit as this. The
> root cause is still not understood, but testing of the workaround would
> be appreciated:
>
> https://lkml.org/lkml/2019/8/15/606
>
I briefly tested it today (ran furmark for about 15 minutes, normally it
starts glitching after a few minutes, if not earlier), so far it looks ok.
Regards,
Zoltan
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