[Bug 99685] [amdgpu R9 390X] GPU hang on windows switching while running Quetoo

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=99685

            Bug ID: 99685
           Summary: [amdgpu R9 390X] GPU hang on windows switching while
                    running Quetoo
           Product: Mesa
           Version: 17.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: dev@illwieckz.net
        QA Contact: dri-devel@lists.freedesktop.org

Hi, I trigger a GPU hang whenever I switch between the Quetoo window and
another windows using Alt+Tab. A map must be loaded to trigger the hang. Once
the GPU hanged, the display does not update (but everything else is still
running, I can hear sound effects, connect from a remote computer to monitor
things etc) and every action that query the GPU will hang, for example after
the display hang, it's not possible to run clinfo otherwise it will never
return.

GPU: R9 390X
Distro: Ubuntu 16.10
Kernel: Linux 4.9.0-6.1 (from https://liquorix.net/ )
KMD: amdgpu
UMD: Mesa 17.1.0-devel (from
https://launchpad.net/~paulo-miguel-dias/+archive/ubuntu/mesa )

How to trigger the bug:

1. Untar Quetoo prebuild binary (from http://quetoo.org/pages/downloads )
2. run bin/quetoo-update to get data
3. delete lib/libdrm.so.2 and lib/libstdc++.so.6 from quetoo dir if needed
4. run bin/quetoo
5. load a map (or join a server)
6. do the Alt+Tab thing to switch between windows and come back to Quetoo.

If you want to build quetoo yourself, you can run it that way after having
built it:
$ src/main/quetoo -p …/quetoo/share/default -p …/quetoo/lib/default

"…/quetoo" being the path where you ran quetoo-update before (share/default
contains pk3 game data and lib/default contains glsl etc.)

I don't know if the bug is on Mesa side or kernel side.

dmesg
http://pastebin.com/eQt6radD
Xorg.0.log
http://pastebin.com/Ge11mwN6
journactl /usr/lib/gdm3/gdm-x-session
http://pastebin.com/3hYX08H7

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