[Bug 107204] GPU hang (ring gfx timeout) in OpenGL game

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107204

            Bug ID: 107204
           Summary: GPU hang (ring gfx timeout) in OpenGL game
           Product: Mesa
           Version: git
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: fbz-me at milek7.pl
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 140587
  --> https://bugs.freedesktop.org/attachment.cgi?id=140587&action=edit
Dumps from GALLIUM_DDEBUG

It hangs in OpenGL game immediately after startup almost always (but sometimes
it goes through and works) with dmesg message:
>[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled seq=3324, last emitted seq=3327

I tested it on Radeon RX580, mainline kernel 4.18, Mesa 18.1.3 and Mesa git
c0874947f1.

I could provide game code for testing but I would have to package minimal
assets as full game weights pretty much.

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