Hi,
I've posted this already, but into an incorrect forum where it remained unnoticed. So sorry for the x-post.
Symptoms:
Plex HW transcoding does not work with Docker on unRAID 6.7.x (0 through 2), although it is working fine when downgrading to 6.6.7 without any change in unRAID or Docker container configuration.
go file:
#!/bin/bash #Setup drivers for hardware transcoding in Plex modprobe i915 chmod -R 777 /dev/dri #Start the Management Utility /usr/local/sbin/emhttp &
syslinux.cfg untouched as i915 support is included OOB for some time now, however during my troubleshooting attempts, I've tried to force i915 support by modifying the aforementioned config file like this (with no effect of course):
label Unraid OS menu default kernel /bzimage append pci=realloc=off initrd=/bzroot i915.alpha_support=1
/dev/dri is being passed to the Plex docker container as a device and is visible to the container:
root@532cd6092721:/# ls -la /dev/dri total 0 drwxr-xr-x 2 root root 80 Jun 19 11:05 . drwxr-xr-x 6 root root 360 Jun 19 11:05 .. crw-rw---- 1 root video 226, 0 Jun 19 11:05 card0 crwxrwxrwx 1 99 users 226, 128 Jun 19 11:05 renderD128
Plex transcoder does appear to see the iGPU device, Plex dashboard shows that a HW transcode session is ongoing, however video keeps buffering and playback is never initiated.
I've checked Plex log quite extensively and they do IMO confirm what I've stated above - the transcoder sees the iGPU, transcode session starts, but there is no video being output.
Jun 19, 2019 15:38:32.248 [0x15102bbfd700] DEBUG - TPU: hardware transcoding: using hardware decode accelerator vaapi Jun 19, 2019 15:38:32.248 [0x15102bbfd700] DEBUG - [Universal] Using local file path instead of URL: /movies/Captain Marvel (2019)/Captain Marvel (2019) - Bluray-1080p.mkv Jun 19, 2019 15:38:32.249 [0x15102bbfd700] DEBUG - HTTP requesting GET http://127.0.0.1:32400/library/streams/181?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx Jun 19, 2019 15:38:32.249 [0x151093dfe700] DEBUG - Auth: authenticated user 1 as obfuscated Jun 19, 2019 15:38:32.249 [0x15102b1f8700] DEBUG - Request: [127.0.0.1:34844 (Loopback)] GET /library/streams/181 (14 live) GZIP Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.252 [0x15102b1f8700] DEBUG - Content-Length of /movies/Captain Marvel (2019)/Captain Marvel (2019) - Bluray-1080p.en.srt is 91753. Jun 19, 2019 15:38:32.253 [0x151093dfe700] DEBUG - Completed: [127.0.0.1:34844] 200 GET /library/streams/181 (14 live) GZIP 3ms 91753 bytes Jun 19, 2019 15:38:32.253 [0x15102bbfd700] DEBUG - HTTP 200 response from GET http://127.0.0.1:32400/library/streams/181?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx Jun 19, 2019 15:38:32.253 [0x15102bbfd700] DEBUG - Detected character set of UTF-8. Jun 19, 2019 15:38:32.254 [0x15102bbfd700] DEBUG - Downloaded stream from [http://127.0.0.1:32400/library/streams/181?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx] (codec: srt) to temporary file [/transcode/Transcode/Sessions/plex-transcode-jk19rtdgc5dtot7fu88d8gsy-ef1b128f-4370-4808-a01d-07825b462435/temp-0.srt] Jun 19, 2019 15:38:32.254 [0x15102bbfd700] DEBUG - TPU: hardware transcoding: zero-copy support present Jun 19, 2019 15:38:32.254 [0x15102bbfd700] DEBUG - TPU: hardware transcoding: using zero-copy transcoding Jun 19, 2019 15:38:32.254 [0x15102bbfd700] DEBUG - TPU: hardware transcoding: final decoder: vaapi, final encoder: vaapi Jun 19, 2019 15:38:32.255 [0x15102bbfd700] DEBUG - Job running: EAE_ROOT='/tmp/pms-85736070-8352-49fb-956e-d7be9ba4a099/EasyAudioEncoder' FFMPEG_EXTERNAL_LIBS='/config/Library/Application\ Support/Plex\ Media\ Server/Codecs/21b5515-2321-linux-x86_64/' XDG_CACHE_HOME='/config/Library/Application Support/Plex Media Server/Cache' XDG_DATA_HOME='/usr/lib/plexmediaserver/Resources' X_PLEX_TOKEN='xxxxxxxxxxxxxxxxxxxx' '/usr/lib/plexmediaserver/Plex Transcoder' '-codec:0' 'h264' '-hwaccel:0' 'vaapi' '-hwaccel_fallback_threshold:0' '10' '-hwaccel_output_format:0' 'vaapi' '-codec:1' 'dca' '-analyzeduration' '20000000' '-probesize' '20000000' '-i' '/movies/Captain Marvel (2019)/Captain Marvel (2019) - Bluray-1080p.mkv' '-analyzeduration' '20000000' '-probesize' '20000000' '-i' '/transcode/Transcode/Sessions/plex-transcode-jk19rtdgc5dtot7fu88d8gsy-ef1b128f-4370-4808-a01d-07825b462435/temp-0.srt' '-filter_complex' '[0:0]hwupload[0];[0]scale_vaapi=w=1278:h=538:format=nv12[1];[1]hwupload[2]' '-filter_complex' '[0:1] aresample=async=1:ocl='\''stereo'\'':osr=48000[3]' '-map' '[2]' '-metadata:s:0' 'language=eng' '-codec:0' 'h264_vaapi' '-b:0' '2717k' '-maxrate:0' '3623k' '-bufsize:0' '7246k' '-r:0' '23.975999999999999' '-force_key_frames:0' 'expr:gte(t,0+n_forced*5)' '-map' '[3]' '-metadata:s:1' 'language=eng' '-codec:1' 'aac' '-b:1' '148k' '-f' 'dash' '-min_seg_duration' '5000000' '-skip_to_segment' '1' '-time_delta' '0.0625' '-manifest_name' 'http://127.0.0.1:32400/video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/manifest' '-avoid_negative_ts' 'disabled' '-map_metadata' '-1' '-map_chapters' '-1' 'dash' '-map' '1:s:0' '-metadata:s:0' 'language=eng' '-codec:0' 'ass' '-f' 'segment' '-segment_format' 'ass' '-segment_time' '1' '-segment_header_filename' 'sub-header' '-segment_start_number' '0' '-segment_list' 'http://127.0.0.1:32400/video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/seglist?stream=subtitles' '-segment_list_type' 'csv' '-segment_list_size' '2147483647' '-segment_list_separate_stream_times' '1' '-segment_format_options' 'ignore_readorder=1' 'sub-chunk-%05d' '-start_at_zero' '-copyts' '-vsync' 'cfr' '-y' '-vaapi_device' '/dev/dri/renderD128' '-nostats' '-loglevel' 'quiet' '-loglevel_plex' 'error' '-progressurl' 'http://127.0.0.1:32400/video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress' Jun 19, 2019 15:38:32.256 [0x15102bbfd700] DEBUG - Jobs: Starting child process with pid 586 Jun 19, 2019 15:38:32.281 [0x15102adf6700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=startup (15 live) Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.282 [0x151093dfe700] DEBUG - Completed: [127.0.0.1:34846] 204 PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=startup (15 live) 0ms 203 bytes (pipelined: 1) (range: bytes=0-) Jun 19, 2019 15:38:32.282 [0x1510916b8700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=opening (15 live) Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.282 [0x151093dfe700] DEBUG - Completed: [127.0.0.1:34846] 204 PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=opening (15 live) 0ms 203 bytes (pipelined: 2) (range: bytes=0-) Jun 19, 2019 15:38:32.284 [0x15102aff7700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=opened (15 live) Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.284 [0x151093fff700] DEBUG - Completed: [127.0.0.1:34846] 204 PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress?status=opened (15 live) 0ms 203 bytes (pipelined: 3) (range: bytes=0-) Jun 19, 2019 15:38:32.284 [0x15102b9fc700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress/stream?index=0&id=0&codec=h264&type=video (14 live) Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.285 [0x151093fff700] DEBUG - Completed: [127.0.0.1:34846] 206 PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress/stream?index=0&id=0&codec=h264&type=video (14 live) 0ms 256 bytes (pipelined: 4) (range: bytes=0-) Jun 19, 2019 15:38:32.285 [0x15102adf6700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress/stream?index=1&id=0&codec=dts&type=audio (14 live) Signed-in Token (obfuscated) Jun 19, 2019 15:38:32.285 [0x151093fff700] DEBUG - Completed: [127.0.0.1:34846] 206 PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress/stream?index=1&id=0&codec=dts&type=audio (14 live) 0ms 256 bytes (pipelined: 5) (range: bytes=0-) Jun 19, 2019 15:38:32.340 [0x1510916b8700] DEBUG - Request: [127.0.0.1:34846 (Loopback)] PUT /video/:/transcode/session/jk19rtdgc5dtot7fu88d8gsy/ef1b128f-4370-4808-a01d-07825b462435/progress/streamDetail?index=0&id=0&codec=h264&type=video&profile=High&language=eng&width=1920&height=808&interlaced=0&level=41&frameRate=23.9
Affected systems:
As evidenced by other users, it appears only 7th gen Intel processors including UHD600 iGPU are affected, namely Celeron J4105 (Gemini Lake)
Thanks in advance for looking into this.
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