[Bug 105819] Window system hang due to GPU Fault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105819

--- Comment #8 from Greg White <gwhite at kupulau.com> ---
Same here, Vega 56 / kernel 4.19rc3.  Tried mesa 18.3 master and 18.2, llvm 8
(svn) and llvm 6 on Arch linux; libdrm is all at current git head.  This
reproduces very easily and quickly using chrome and the webgl fish demo, but
hangs will occur within a few minutes just browsing with chrome.

[  252.184802] amdgpu 0000:0d:00.0: [gfxhub] VMC page fault (src_id:0 ring:157
vmid:5 pasid:32775, for process chrome pid 1716 thread chrome --t:cs0 pid 1769
               )
[  252.184806] amdgpu 0000:0d:00.0:   at address 0x000080011680c000 from 27
[  252.184807] amdgpu 0000:0d:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x0050113B
[  252.184811] amdgpu 0000:0d:00.0: [gfxhub] VMC page fault (src_id:0 ring:157
vmid:5 pasid:32775, for process chrome pid 1716 thread chrome --t:cs0 pid 1769
               )
[  252.184813] amdgpu 0000:0d:00.0:   at address 0x000080011680c000 from 27
[  252.184814] amdgpu 0000:0d:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[  252.184818] amdgpu 0000:0d:00.0: [gfxhub] VMC page fault (src_id:0 ring:157
vmid:5 pasid:32775, for process chrome pid 1716 thread chrome --t:cs0 pid 1769
               )
[  252.184820] amdgpu 0000:0d:00.0:   at address 0x000080011680c000 from 27
[  252.184821] amdgpu 0000:0d:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[  262.385344] [drm:amdgpu_job_timedout] *ERROR* ring gfx timeout, signaled
seq=50421, emitted seq=50423
[  262.385347] [drm] GPU recovery disabled.

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