Gnome Subtitles Ring vcn_dec timeout reboot
Kernel 5.11.3 mainline, Pop_OS 20.10, Mesa 21.1.0-devel (oibaf's PPA), rx 5700 xt
I was in the middle of converting a large video file using ffmpeg because Gnome Subtitles had problems playing it and I attempted to open a different file with Gnome Subtitles to see if webm format will pose problems or not and PC went into a forced reboot.
Mar 17 :17:56 pop-os kernel: [152071.815196] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout, signaled seq=84499, emitted seq=84501
Mar 17 :17:56 pop-os kernel: [152071.815418] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information: process gnome-subtitles pid 114459 thread gnome-subt:cs0 pid 114541
Mar 17 :17:56 pop-os kernel: [152071.815617] amdgpu 0000:28:00.0: amdgpu: GPU reset begin!
Mar 17 :17:56 pop-os kernel: [152072.164071] [drm] Register(0) [mmUVD_POWER_STATUS] failed to reach value 0x00000001 != 0x00000002
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