[Bug 111481] AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111481

            Bug ID: 111481
           Summary: AMD Navi GPU frequent freezes on both Manjaro/Ubuntu
                    with kernel 5.3 and mesa 19.2 -git/llvm9
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: popovic.marko at protonmail.com

I've tried my AMD Radeon RX 5700 XT on both ubuntu (llvm 9 / mesa 19.3 - Oibaf
PPA) and Manjaro (llvm 10 git / mesa-git).
On both I've been using Gnome shell and in both cases I had frequent lockups
and freezes. Once my GPU disconnected to Monitor and remained so until I
rebooted, other times desktop would just freeze and crash the whole system.

Software tried: LLVM 10 git / MESA 19.3 - git on Manjaro
                LLVM 9 / MESA 19.3 git from Oibaf PPA
Kernels tried: Manjaro 5.3 RC4, Ubuntu 5.3 RC5 generic, Ubuntu drm-tip 5.3
daily

Error log:
avg 24 22:53:58 Marko-PC kernel: [drm:amdgpu_dm_commit_planes.constprop.0
[amdgpu]] ERROR Waiting for fences timed out or interrupted!
avg 24 22:53:58 Marko-PC kernel: [drm:amdgpu_job_timedout [amdgpu]] ERROR ring
gfx_0.0.0 timeout, signaled seq=94235, emitted seq=94237
avg 24 22:53:58 Marko-PC kernel: [drm:amdgpu_job_timedout [amdgpu]] ERROR
Process information: process citra-qt pid 27356 thread citra-qt:cs0 pid 27366

Happened on all setups, bug was pretty much the same, lockups weren't extremely
frequent but frequent enough that they were very noticable (5-6 freezes per day
on average)

Faulty hardware is probably out of options since I never had a hiccup or
anything even close to crash or freeze on my Windows desktop.

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