[BUG] Transcoding broken on Plex 1.29.1 (Unraid / docker)- I had to roll back to 1.29.0.6244

Plex Media Server NAS & Devices
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6

You have several errors:

Oct 24, 2022 20:48:46.356 [0x147752f95b38] ERROR - [Req#349/Transcode] [FFMPEG] - libva: /usr/lib/plexmediaserver/lib/dri/iHD_drv_video.so init failed

  1. 3770 CPU does not like, nor has it ever liked, Intel Media Driver (iHD).
    Solution there is VaapiDriver="i965".

  2. What is this device? vaapi=vaapi:/dev/dri/renderD129
    It keeps trying to use it because Hardware transcoding is still enabled.
    The QSV in a 3770 is on the default renderD128 node.

Oct 24, 2022 20:48:57.506 [0x14775298cb38] DEBUG - [Req#3f4/Transcode] TPU: hardware transcoding: final decoder: vaapi, final encoder: vaapi
Oct 24, 2022 20:48:57.511 [0x14775298cb38] DEBUG - [Req#3f4/Transcode/JobRunner] Job running: FFMPEG_EXTERNAL_LIBS='/config/Library/Application\ Support/Plex\ Media\ Server/Codecs/c4efa15-4387-linux-x86_64/' X_PLEX_TOKEN=xxxxxxxxxxxxxxxxxxxxxx "/usr/lib/plexmediaserver/Plex Transcoder" -codec:0 h264 -hwaccel:0 vaapi -hwaccel_fallback_threshold:0 10 -hwaccel_output_format:0 vaapi -hwaccel_device:0 vaapi -codec:1 aac -analyzeduration 20000000 -probesize 20000000 -i "myfile.mkv" -filter_complex "[0:0]hwupload[0];[0]scale_vaapi=w=480:h=270:format=nv12[1];[1]hwupload[2]" -map "[2]" -codec:0 h264_vaapi -b:0 414k -maxrate:0 553k -bufsize:0 1106k -r:0 25 -force_key_frames:0 "expr:gte(t,n_forced*8)" -filter_complex "[0:1] aresample=async=1:ocl='stereo':rematrix_maxval=0.000000dB:osr=48000[3]" -map "[3]" -metadata:s:1 language=eng -codec:1 aac -b:1 125k -f dash -seg_duration 8 -dash_segment_type mp4 -init_seg_name 'init-stream$RepresentationID$.m4s' -media_seg_name 'chunk-stream$RepresentationID$-$Number%05d$.m4s' -window_size 5 -delete_removed false -skip_to_segment 1 -time_delta 0.0625 -manifest_name "http://127.0.0.1:32400/video/:/transcode/session/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5/manifest?X-Plex-Http-Pipeline=infinite" -avoid_negative_ts disabled -map_metadata -1 -map_chapters -1 dash -start_at_zero -copyts -vsync cfr -init_hw_device vaapi=vaapi:/dev/dri/renderD129 -filter_hw_device vaapi -y -nostats -loglevel quiet -loglevel_plex error -progressurl http://127.0.0.1:32400/video/:/transcode/session/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5/progress
Oct 24, 2022 20:48:57.512 [0x14775298cb38] DEBUG - [Req#3f4/Transcode/JobRunner] Jobs: Starting child process with pid 495
Oct 24, 2022 20:48:57.517 [0x147752b8fb38] DEBUG - Request: [127.0.0.1:46188 (Loopback)] PUT /video/:/transcode/session/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5/progress?status=startup (10 live) #3d9 Signed-in Token (user) (range: bytes=0-) 
Oct 24, 2022 20:48:57.518 [0x14775a4f8b38] DEBUG - Completed: [127.0.0.1:46188] 204 PUT /video/:/transcode/session/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5/progress?status=startup (10 live) 0ms 203 bytes (pipelined: 1) (range: bytes=0-) 
Oct 24, 2022 20:48:57.543 [0x147757d68b38] ERROR - [Req#3f8/Transcode/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5] [AVHWDeviceContext @ 0x145afb275780] Failed to initialise VAAPI connection: -1 (unknown libva error).
Oct 24, 2022 20:48:57.543 [0x147751edeb38] ERROR - [Req#3f9/Transcode/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5] Device creation failed: -5.
Oct 24, 2022 20:48:57.543 [0x147756252b38] ERROR - [Req#3fa/Transcode/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5] Failed to set value 'vaapi=vaapi:/dev/dri/renderD129' for option 'init_hw_device': I/O error
Oct 24, 2022 20:48:57.543 [0x1477576d7b38] ERROR - [Req#3fb/Transcode/4gfp1x9ahodb86bcb4ogtbv4/55c3b60e-f6c3-4d74-a336-3e39505395b5] Error parsing global options: I/O error
Oct 24, 2022 20:48:57.545 [0x14775a93db38] DEBUG - Jobs: '/usr/lib/plexmediaserver/Plex Transcoder' exit code for process 495 is 1 (failure)
Oct 24, 2022 20:49:01.351 [0x14775a6fbb38] DEBUG - Auth: authenticated user n as user2