[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 #106 from jeroenimo <freedesktop at jeroenimo.nl> ---

This is quite a severe bug. 
I have reasonable stable system with Mint 19.2 (runs hours without a crash
uname -a
Linux jeroenimo-amd 4.15.0-64-generic #73-Ubuntu SMP Thu Sep 12 13:16:13 UTC
2019 x86_64 x86_64 x86_64 GNU/Linux


(X)ubuntu 18.04 LTS LTS crashes a lot faster (1 or 2 minutes) 5.0.0.29 kernel

I can reproduce the bug with glmark2 instantly 100% of the times

(https://launchpad.net/glmark2) or sudo apt install glmark2

I'm not very good at debugging but this is what my dmesg looks like when I ssh
and run glmark2

[ 6619.587749] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:45:crtc-1] flip_done timed out

And that's it, no more info.

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