[Bug 107296] WARNING: CPU: 0 PID: 370 at drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1355 dcn_bw_update_from_pplib+0x16b/0x280 [amdgpu]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107296

Romain Reignier <rom.reignier at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rom.reignier at gmail.com

--- Comment #6 from Romain Reignier <rom.reignier at gmail.com> ---
(In reply to darkbasic from comment #5)
> I confirm, the same with B450M + 2400g and 4.18/4.19/4.20-rc1.

Exactly like darkbasic, MSI B450M Mortar, 2400G on 4.19.8 (from Ubuntu kernel
team).

Most of the time, even with that "calltrace", the system is useable but from
time to time, I get a freeze with the following (not sure it is related):

[ 2590.157513] romain-desktop kernel: gmc_v9_0_process_interrupt: 10 callbacks
suppressed
[ 2590.157518] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157525] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x000000010980b000 from 27
[ 2590.157528] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157535] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157539] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109810000 from 27
[ 2590.157541] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157548] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157551] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109811000 from 27
[ 2590.157553] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157560] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157562] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x000000010980c000 from 27
[ 2590.157564] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157571] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157574] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x000000010980b000 from 27
[ 2590.157576] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157583] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157585] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109800000 from 27
[ 2590.157587] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157594] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157597] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109810000 from 27
[ 2590.157599] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157605] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157608] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109810000 from 27
[ 2590.157610] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157617] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157619] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109811000 from 27
[ 2590.157621] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2590.157628] romain-desktop kernel: amdgpu 0000:38:00.0: [gfxhub] VMC page
fault (src_id:0 ring:24 vmid:1 pasid:32768, for process Xorg pi
                                      )
[ 2590.157630] romain-desktop kernel: amdgpu 0000:38:00.0:   at address
0x0000000109810000 from 27
[ 2590.157632] romain-desktop kernel: amdgpu 0000:38:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
[ 2600.376443] romain-desktop kernel: [drm:amdgpu_job_timedout [amdgpu]]
*ERROR* ring gfx timeout, signaled seq=107913, emitted seq=107915
[ 2600.376449] romain-desktop kernel: [drm] GPU recovery disabled.

Does anyone know a workaround or a tree with a fix?

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