[Bug 111948] [Vega10][bisected] Vega56 VM_L2_PROTECTION_FAULT when logging into KDE with kernel 5.3.0-rc1 and newer

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=111948

            Bug ID: 111948
           Summary: [Vega10][bisected] Vega56 VM_L2_PROTECTION_FAULT when
                    logging into KDE with kernel 5.3.0-rc1 and newer
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: freedesktop@forsaken.se

Created attachment 145692
  --> https://bugs.freedesktop.org/attachment.cgi?id=145692&action=edit
dmesg for 5.3.0-rc1

Hi,

I'm getting this problem when I log into KDE (5.16.5) if I use kernel 5.3.0-rc1
or newer including 5.4.0-rc2, it happens every time, the splash show for a few
seconds and then the screen goes black and it comes back garbled.

I've done a bisect between 5.2 and 5.3.0-rc1:

52d2d44eee8091e740d0d275df1311fb8373c9a9 is the first bad commit

This is a merge commit though...

[   19.840654] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:144 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840656] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a021000 from 27
[   19.840657] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101121
[   19.840661] amdgpu 0000:0a:00.0: [gfxhub] retry page fault (src_id:0 ring:0
vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840662] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a036000 from 27
[   19.840662] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840665] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840666] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a037000 from 27
[   19.840666] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840670] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840670] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a035000 from 27
[   19.840671] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840674] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840675] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a035000 from 27
[   19.840675] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840679] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840679] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a035000 from 27
[   19.840680] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840683] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:128 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840683] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a025000 from 27
[   19.840684] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840690] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840690] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a05b000 from 27
[   19.840691] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840694] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840695] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a05b000 from 27
[   19.840695] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   19.840698] amdgpu 0000:0a:00.0: [gfxhub] no-retry page fault (src_id:0
ring:157 vmid:1 pasid:32769, for process X pid 4118 thread X:cs0 pid 4169)
[   19.840699] amdgpu 0000:0a:00.0:   in page starting at address
0x000080010a058000 from 27
[   19.840699] amdgpu 0000:0a:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   25.066367] [drm:amdgpu_dm_atomic_commit_tail] *ERROR* Waiting for fences
timed out or interrupted!
[   25.066369] [drm:amdgpu_dm_atomic_commit_tail] *ERROR* Waiting for fences
timed out or interrupted!
[   30.194884] [drm:amdgpu_job_timedout] *ERROR* ring sdma0 timeout, signaled
seq=491, emitted seq=493
[   30.194886] [drm:amdgpu_job_timedout] *ERROR* Process information: process
ksplashqml pid 4333 thread ksplashqml:cs0 pid 4336
[   30.194889] amdgpu 0000:0a:00.0: GPU reset begin!
[   30.195169] [drm:amdgpu_job_timedout] *ERROR* ring gfx timeout, but soft
recovered

I've attached the dmesg log.

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