[Bug 105227] [SUMO][TURKS] observer game cause GPU lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105227

            Bug ID: 105227
           Summary: [SUMO][TURKS] observer game cause GPU lockup
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: russianneuromancer at ya.ru
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 137557
  --> https://bugs.freedesktop.org/attachment.cgi?id=137557&action=edit
dmesg from launch on Radeon HD 6650M

Hi!

Game "observer" cause GPU lockup on Radeon HD 6620G and 6650M GPUs with Mesa
18.1 4562a7b0e82bf664 - dmesg from two launch attempts is attached. Graphical
settings is all set to minimal, all visual effects is disabled.

[  386.552620] radeon 0000:01:00.0: ring 0 stalled for more than 10288msec
[  386.552638] radeon 0000:01:00.0: GPU lockup (current fence id
0x000000000000147b last fence id 0x0000000000001487 on ring 0)
[  387.064666] radeon 0000:01:00.0: ring 0 stalled for more than 10800msec
[  387.064683] radeon 0000:01:00.0: GPU lockup (current fence id
0x000000000000147b last fence id 0x0000000000001487 on ring 0)
[  387.416749] radeon 0000:01:00.0: ring 3 stalled for more than 10036msec
[  387.416765] radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000001001 last fence id 0x0000000000001002 on ring 3)
[  387.576741] radeon 0000:01:00.0: ring 0 stalled for more than 11312msec
[  387.576758] radeon 0000:01:00.0: GPU lockup (current fence id
0x000000000000147b last fence id 0x0000000000001487 on ring 0)
[  387.928798] radeon 0000:01:00.0: ring 3 stalled for more than 10548msec
[  387.928814] radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000001001 last fence id 0x0000000000001002 on ring 3)

To reproduce GPU lockup:
1. Launch game like this: MESA_GL_VERSION_OVERRIDE=4.3
MESA_GLSL_VERSION_OVERRIDE=430 %command% (otherwise it crash before launch)
2. Select New game, wait until loading completed.
3. After loading completed press space or left mouse button.

Hardware: 
Acer Aspire 7560G, AMD A8-3500M
AMD Radeon HD 6620G iGPU, AMD Radeon HD 6650M dGPU.

Software:
Kubuntu 17.10 x86_64, Linux 4.15.5, Mesa 18.1 4562a7b0e82bf664

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