[Bug 102500] [polaris10][amd-staging-4.12] GPU fault detected, somethimes lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102500

            Bug ID: 102500
           Summary: [polaris10][amd-staging-4.12] GPU fault detected,
                    somethimes lockup
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: arek.rusi at gmail.com

Created attachment 133914
  --> https://bugs.freedesktop.org/attachment.cgi?id=133914&action=edit
dmesg - start gnome 3 session only

Hi, 
Afer today kernel update witcher 3 hangs. After restart (only Gnome3 session is
running) in kernel log i see lot of:
...
amdgpu 0000:01:00.0: GPU fault detected: 146 0x0d023d14
amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x001061A0
amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0903D014
amdgpu 0000:01:00.0: VM fault (0x14, vmid 4) at page 1073568, write from 'SDM1'
(0x53444d31) (61)
...
downgrade kernel resolve this issue. 

I use binary kernel from unofficial arch's repo:
linux-amd-staging 4.12.0.680862.7be0a528b097 - the bad one 
linux-amd-staging-4.12.0.680853.eeb9985d7228 - works great

these kernels are built from alex's git tree, branch amd-staging-4.12

OpenGL renderer string: AMD Radeon (TM) RX 470 Graphics (POLARIS10 / DRM 3.18.0
/ 4.13.0-rc7-mainline, LLVM 6.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.3.0-devel
(git-2d93b462b4)

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