[Bug 110928] wx5100 gpu crash！！！！

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110928

            Bug ID: 110928
           Summary: wx5100 gpu crash！！！！
           Product: DRI
           Version: DRI git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: baopeng88_com at 163.com

When we used wx5100 for rendering and encoding, we encountered some gpu hangs.
This situation is very bad and must be resolved by rebooting. The log
information is as follows. Please help analyze, thank you very much.
situation 1:
2019-06-16T14:39:24.708544+08:00|err|kernel[-]|[398383.549799] amdgpu
0005:01:00.0: GPU fault detected: 146 0x04203d0c for process a.babycard.ssvs
pid 330210 thread RenderThread pid 330511
2019-06-16T14:39:24.708703+08:00|err|kernel[-]|[398383.549803] amdgpu
0005:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00102184
2019-06-16T14:39:24.708812+08:00|err|kernel[-]|[398383.549805] amdgpu
0005:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0D03D014
2019-06-16T14:39:24.708908+08:00|err|kernel[-]|[398383.549809] amdgpu
0005:01:00.0: VM fault (0x14, vmid 6, pasid 33627) at page 1057156, write from
'SDM1' (0x53444d31) (61)

After the GPU fault, about 17 seconds later:

2019-06-16T14:39:41.924400+08:00|err|kernel[-]|[398400.765123]
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vce0 timeout, signaled
seq=3868950, emitted seq=3868954
2019-06-16T14:39:41.924463+08:00|info|kernel[-]|[398400.765132] [drm] GPU
recovery disabled.

situation 2：
[Thu Jun  6 22:00:14 2019] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx
timeout, signaled seq=919191055, emitted seq=919191057
[Thu Jun  6 22:00:14 2019] [drm] GPU recovery disabled.
[Thu Jun  6 22:00:16 2019] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring
sdma1 timeout, signaled seq=101603699, emitted seq=101603701
[Thu Jun  6 22:00:16 2019] [drm] GPU recovery disabled.

situation 3:
2019-06-16T14:59:05.248325+08:00|err|kernel[-]|[399194.411704]
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, signaled
seq=230984670, emitted seq=230984673
2019-06-16T14:59:05.248404+08:00|info|kernel[-]|[399194.411708] [drm] GPU
recovery disabled.

can you help me to analyze these situations to solve these problems? thank you.

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