[Bug 93436] [radeonsi][regression] GPUVM faults playing ARK: Survival Evolved, started 4.4-rc3, -rc5 is worse

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93436

            Bug ID: 93436
           Summary: [radeonsi][regression] GPUVM faults playing ARK:
                    Survival Evolved, started 4.4-rc3, -rc5 is worse
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: shawn.starr at rogers.com

Kernel is spamming non-fatal GPU VM faults:

[ 8792.444427] VM fault (0x02, vmid 5) at page 600320, read from 'TC2'
(0x54433200) (72)
[ 8792.475656] radeon 0000:01:00.0: GPU fault detected: 147 0x000a4802
[ 8792.475976] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00092900
[ 8792.476343] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A048002
[ 8792.476718] VM fault (0x02, vmid 5) at page 600320, read from 'TC2'
(0x54433200) (72)
[ 8792.505901] radeon 0000:01:00.0: GPU fault detected: 147 0x000a4802
[ 8792.506232] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00092900
[ 8792.506596] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A048002
[ 8792.506970] VM fault (0x02, vmid 5) at page 600320, read from 'TC2'
(0x54433200) (72)
[ 8792.537730] radeon 0000:01:00.0: GPU fault detected: 147 0x000a4802
[ 8792.538049] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00092900
[ 8792.538416] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A048002
[ 8792.538783] VM fault (0x02, vmid 5) at page 600320, read from 'TC2'
(0x54433200) (72)
[ 8792.567524] radeon 0000:01:00.0: GPU fault detected: 147 0x000a4802
[ 8792.567849] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00092900
[ 8792.568216] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A048002
[ 8792.568586] VM fault (0x02, vmid 5) at page 600320, read from 'TC2'
(0x54433200) (72)
[ 8795.015367] radeon 0000:01:00.0: GPU fault detected: 147 0x0c0a4802
[ 8795.015698] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x000928E0
[ 8795.016065] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A048002
[ 8795.016438] VM fault (0x02, vmid 5) at page 600288, read from 'TC2'
(0x54433200) (72)
...

Mesa from git master: 2015-12-11
kernel: 4.4.0-0.rc5.git1.2.fc24.x86_64

Can I use the new debugging in mesa to capture what is causing fault?

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