This happens with hardware acceleration enabled or disabled. Trying to burn in subtitles when they are embedded inside the video file crashes the transcoder. Just started happening. Logs attached.
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * Accept => */*
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * Connection => keep-alive
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * Host => 127.0.0.1:32400
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * Icy-MetaData => 1
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * Range => bytes=0-
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * User-Agent => Lavf/58.27.104
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * X-Plex-Http-Pipeline => infinite
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * X-Plex-Token => xxxxxxxxxxxxxxxxxxxx
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * index => 2
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * id => 0
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * codec => none
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * type => subtitle
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * language => eng
Apr 09, 2020 08:44:16.202 [7640] VERBOSE - * disp_default => 1
Apr 09, 2020 08:44:16.202 [0704] DEBUG - Completed: [127.0.0.1:51970] 200 PUT /video/:/transcode/session/vgaxyjp15xjfwt1ueh5eety9/cb382368-1dab-4c86-8c66-c9cb68c1484e/progress/streamDetail?index=2&id=0&codec=none&type=subtitle&language=eng&disp_default=1 (16 live) 0ms 195 bytes (pipelined: 9) (range: bytes=0-)
Apr 09, 2020 08:44:16.204 [7640] ERROR - [Transcoder] Subtitle stream map '0:10' matches no streams.
Apr 09, 2020 08:44:16.205 [7640] ERROR - [Transcoder] Stream map '0:10' matches no streams.
To ignore this, add a trailing '?' to the map.
Apr 09, 2020 08:44:16.213 [0704] VERBOSE - Didn't receive a request from 127.0.0.1:51970: An existing connection was forcibly closed by the remote host
Apr 09, 2020 08:44:16.216 [7664] VERBOSE - JobManager: child process with handle 0xd34 exited
Apr 09, 2020 08:44:16.216 [7664] DEBUG - Jobs: 'C:\Program Files (x86)\Plex\Plex Media Server\Plex Transcoder.exe' exit code for process 9492 is 1 (failure)
Apr 09, 2020 08:44:16.216 [14028] DEBUG - Streaming Resource: Terminating session 0x53a1160:9lgvjvguentlr6n6igd7sv89 which is using transcoder slot. Used slots is now 0
Apr 09, 2020 08:44:16.216 [1492] DEBUG - Using default transcode duration of 120 minutes
Apr 09, 2020 08:44:16.217 [14028] DEBUG - Streaming Resource: Terminated session 0x53a1160:9lgvjvguentlr6n6igd7sv89 with reason Conversion failed. The transcoder exited due to an error.
Apr 09, 2020 08:44:16.217 [1492] DEBUG - Started session successfully: vgaxyjp15xjfwt1ueh5eety9
Apr 09, 2020 08:44:16.217 [6876] DEBUG - Killing job.
Apr 09, 2020 08:44:16.217 [6876] DEBUG - Job was already killed, not killing again.
Apr 09, 2020 08:44:16.217 [6876] DEBUG - Stopping transcode session vgaxyjp15xjfwt1ueh5eety9
Apr 09, 2020 08:44:16.217 [0704] DEBUG - Completed: [192.168.1.16:53130] 200 GET /video/:/transcode/universal/start.mpd?hasMDE=1&path=%2Flibrary%2Fmetadata%2F28376&mediaIndex=0&partIndex=0&protocol=dash&fastSeek=1&directPlay=0&directStream=0&subtitleSize=100&audioBoost=100&location=lan&maxVideoBitrate=8000&addDebugOverlay=0&autoAdjustQuality=0&directStreamAudio=0&mediaBufferSize=102400&session=vgaxyjp15xjfwt1ueh5eety9&subtitles=burn&Accept-Language=en (15 live) TLS GZIP 286ms 1023 bytes (pipelined: 14)
Apr 09, 2020 08:44:16.217 [14028] DEBUG - Cleaning directory for session vgaxyjp15xjfwt1ueh5eety9 (C:\Users\Alicia Burian\AppData\Local\Plex Media Server\Cache\Transcode\Sessions\plex-transcode-vgaxyjp15xjfwt1ueh5eety9-cb382368-1dab-4c86-8c66-c9cb68c1484e)
Apr 09, 2020 08:44:16.220 [0704] VERBOSE - Auth: We found auth token (xxxxxxxxxxxxxxxxxxxx), enabling token-based authentication.
Apr 09, 2020 08:44:16.220 [0704] DEBUG - Auth: authenticated user 1 as arnoldburian
Apr 09, 2020 08:44:16.220 [0704] VERBOSE - Auth: Came in with a super-token, authorization succeeded.
Apr 09, 2020 08:44:16.220 [1492] DEBUG - Request: [192.168.1.16:53130 (Subnet)] GET /status/sessions (15 live) TLS GZIP Signed-in Token (arnoldburian)
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Accept => application/json
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Accept-Encoding => gzip, deflate, br
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Accept-Language => en
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Connection => keep-alive
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Host => 192-168-1-25.0a50ac0fd649488494304e2d7503226e.plex.direct:32400
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Origin => http://192.168.1.25:32400
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Referer => http://192.168.1.25:32400/web/index.html?newauth=true
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Sec-Fetch-Dest => empty
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Sec-Fetch-Mode => cors
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * Sec-Fetch-Site => cross-site
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * User-Agent => Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Client-Identifier => llv7wnc51gw543iyrirmib8r
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device => Windows
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device-Name => Chrome
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device-Screen-Resolution => 1745x807,1920x1080
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Features => external-media,indirect-media
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Language => en
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Model => bundled
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Platform => Chrome
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Platform-Version => 80.0
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Product => Plex Web
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Sync-Version => 2
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Token => xxxxxxxxxxxxxxxxxxxx
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Version => 4.22.3
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Product => Plex Web
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Version => 4.22.3
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Client-Identifier => llv7wnc51gw543iyrirmib8r
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Platform => Chrome
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Platform-Version => 80.0
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Sync-Version => 2
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Features => external-media,indirect-media
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Model => bundled
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device => Windows
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device-Name => Chrome
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Device-Screen-Resolution => 1745x807,1920x1080
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Token => xxxxxxxxxxxxxxxxxxxx
Apr 09, 2020 08:44:16.220 [1492] VERBOSE - * X-Plex-Language => en
Apr 09, 2020 08:44:16.221 [1492] DEBUG - [Now] Adding 0 sessions.
Apr 09, 2020 08:44:16.221 [1492] VERBOSE - It took 0.0 sec to serialize a list with 0 elements.
