Comment # 6 on bug 90217 from Paul

Unfortunately I'm hit by this as well. Although I can't tell if it's fixed in
the latest git.
Happened after a few minutes (First try 2 minutes, second try ~30 minutes) of
gameplay on my HD 7970 - Tahiti XT. 
Mesa 10.6.3
Kernel 4.1.2
Arch, up-to-date

Game Settings: 
Global Shadow Quality - High
Model / Texture Detail -High 
Effect Detail - High
Shader Detail - Very High
Multicore Rendering - Enabled
MSAA - 8x
FSAA - Enabled
Texture Filter - Anisotropic 16x
Vsync - Disabled
Motion Blur - Enabled