[Bug 109955] amdgpu [RX Vega 64] system freeze while gaming

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109955

--- Comment #19 from Mauro Gaspari <ilvipero at gmx.com> ---
(In reply to Jaap Buurman from comment #15)
> That's bad to hear :( Worth a try though. How often do you experience
> freezes by the way? And is this for all games, or are some games completely
> stable? For me, I am getting crashes in Kerbal Space Program, but not in
> Final Fantasy XII or World of Warcraft, even after hundreds of hours in both
> of these stable games.
> 
> Also, have you ever figured out which kernel parameter in particular makes
> your setup stable? It might help identify where the problem exists. Or do
> you need that exact combination of all those parameters to get your system
> stable?

Hi, regarding the parameters I am using.
Unfortunately for me the issue is not easy to reproduce. Without the parameters
enabled, it still takes hours for a crash to happen. On top of that, mesa and
kernel updates are really frequent on Tumbleweed, that is another variable that
makes it a bit harder to troubleshoot. Unless I can find a really fast way to
reproduce the issue.

Regarding which game crash, with those kernel parameters applied, the only
crashes I noticed were when I tried to run games through Wine in DX11 mode with
DXVK. Which i believe to be stable on Vega GPUs, would need at least LLVM8.
Currently on my Tumbleweed I have LLVM7 so I just stick to NON-DXVK games, or
even better native ones, until LLVM8 is available for tumbleweed.

If you want to give it a try and you run on ubuntu, you can check this article:
https://github.com/lutris/lutris/wiki/Installing-drivers

If you do so, I recommend you run a full system backup using clonezilla or
similar software, those ppas are marked as unstable.

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