Thanks for that log & memory dump.
From it I can see the scanner was running
/usr/lib/plexmediaserver/Plex Media Scanner--analyze--log-file-suffix Analysis--item13219EAE_ROOT=/tmp/pms-10855a18-4068-460d-ba5f-280367d92dfd/EasyAudioEncoderFFMPEG_EXTERNAL_LIBS=/var/lib/plexmediaserver/Library/Application\ Support/Plex\ Media\ Server/Codecs/02cff92-3522-linux-x86_64/HOME=/var/lib/plexmediaserverINVOCATION_ID=9951908f59584faa9d46599d8cad2577JOURNAL_STREAM=9:48038LANG=en_GB.UTF-8LANGUAGE=en_GB:enLD_LIBRARY_PATH=/usr/lib/plexmediaserver/libLIBVA_DRIVERS_PATH=/usr/lib/plexmediaserver/lib/driLOGNAME=plexPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binPLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR=/var/lib/plexmediaserver/Library/Application SupportPLEX_MEDIA_SERVER_HOME=/usr/lib/plexmediaserverPLEX_MEDIA_SERVER_INFO_DEVICE=PCPLEX_MEDIA_SERVER_INFO_MODEL=x86_64PLEX_MEDIA_SERVER_INFO_PLATFORM_VERSION=18.04.5 LTS (Bionic Beaver)PLEX_MEDIA_SERVER_INFO_VENDOR=UbuntuPLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS=6PWD=/SHELL=/bin/shUSER=plexX_PLEX_TOKEN=F7Y-T4yTSiQ4HexFscHB/usr/lib/plexmediaserver/Plex Media Scanner
I can also see it was running analysis as part of maintenance.
I can also see an attempted video playback session (failed due to what looks like a corrupt video – no audio or video stream info in the file)
whatever happened next seems to have created the crash.
Does this make any sense to you and might you be able to identify what that item is/was?
Nov 02, 2020 02:04:50.082 [0x7fb4117fa700] DEBUG - Media Analyzer: Performing on-the-fly analysis on 1 item.
Nov 02, 2020 02:04:50.082 [0x7fb4117fa700] DEBUG - Job running: EAE_ROOT='/tmp/pms-10855a18-4068-460d-ba5f-280367d92dfd/EasyAudioEncoder' FFMPEG_EXTERNAL_LIBS='/var/lib/plexmediaserver/Library/Application\ Support/Plex\ Media\ Server/Codecs/02cff92-3522-linux-x86_64/' X_PLEX_TOKEN='xxxxxxxxxxxxxxxxxxxx' '/usr/lib/plexmediaserver/Plex Media Scanner' '--analyze' '--log-file-suffix' ' Analysis' '--item' '13219'
Nov 02, 2020 02:04:50.082 [0x7fb4117fa700] DEBUG - Jobs: Starting child process with pid 8017
Nov 02, 2020 02:04:50.116 [0x7fb3b87f8700] DEBUG - HTTP 200 response from GET https://plex.tv/api/v2/server/access_tokens?auth_token=xxxxxxxxxxxxxxxxxxxx
Nov 02, 2020 02:04:50.117 [0x7fb3b87f8700] DEBUG - MyPlex: updating with 6 access tokens
Nov 02, 2020 02:04:50.117 [0x7fb3b87f8700] DEBUG - HTTP requesting GET https://plex.tv/api/v2/server/users?auth_token=xxxxxxxxxxxxxxxxxxxx
Nov 02, 2020 02:04:50.117 [0x7fb42b7fe700] DEBUG - HTTP requesting GET https://plex.tv/media/providers?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx
Nov 02, 2020 02:04:50.156 [0x7fb4477fe700] DEBUG - Auth: authenticated user 1 as felix.remillard@gmail.com
Nov 02, 2020 02:04:50.156 [0x7fb4297fa700] DEBUG - Request: [147.147.162.108:1024 (WAN)] GET /status/sessions/background (6 live) TLS GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:04:50.157 [0x7fb447fff700] DEBUG - Completed: [147.147.162.108:1024] 200 GET /status/sessions/background (6 live) TLS GZIP 0ms 476 bytes (pipelined: 1)
Nov 02, 2020 02:04:50.206 [0x7fb447fff700] DEBUG - Auth: authenticated user 1 as felix.remillard@gmail.com
Nov 02, 2020 02:04:50.206 [0x7fb4297fa700] DEBUG - Request: [147.147.162.108:1025 (WAN)] GET /status/sessions/background (7 live) TLS GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:04:50.206 [0x7fb4477fe700] DEBUG - Completed: [147.147.162.108:1025] 200 GET /status/sessions/background (7 live) TLS GZIP 0ms 476 bytes (pipelined: 1)
Nov 02, 2020 02:04:50.287 [0x7fb3b87f8700] DEBUG - HTTP 200 response from GET https://plex.tv/api/v2/server/users?auth_token=xxxxxxxxxxxxxxxxxxxx
Nov 02, 2020 02:04:50.359 [0x7fb42b7fe700] DEBUG - HTTP 200 response from GET https://plex.tv/media/providers?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx
Nov 02, 2020 02:04:50.456 [0x7fb447fff700] DEBUG - handleStreamRead code 1: stream truncated
Nov 02, 2020 02:04:50.456 [0x7fb447fff700] DEBUG - NotificationStream: Removing because of error
Nov 02, 2020 02:04:50.457 [0x7fb447fff700] DEBUG - Completed after connection close: [147.147.162.108:1028] -3 GET /:/websockets/notifications?filters=log (7 live) TLS GZIP 30783790ms 1666598 bytes
Nov 02, 2020 02:04:50.466 [0x7fb4477fe700] DEBUG - handleStreamRead code 1: stream truncated
Nov 02, 2020 02:04:50.466 [0x7fb4477fe700] DEBUG - NotificationStream: Removing because of error
Nov 02, 2020 02:04:50.466 [0x7fb4477fe700] DEBUG - Completed after connection close: [127.0.0.1:52598] -3 GET /:/websockets/notifications (6 live) TLS GZIP 30934960ms 177578 bytes
Nov 02, 2020 02:05:20.082 [0x7fb4117fa700] DEBUG - Killing job.
Nov 02, 2020 02:05:20.082 [0x7fb4117fa700] DEBUG - Signalling job ID 8017 with 9
Nov 02, 2020 02:05:20.082 [0x7fb4117fa700] DEBUG - Media Analyzer: Background analysis completed in 30.0 seconds, removing 1 IDs
Nov 02, 2020 02:05:20.083 [0x7fb44dd30700] DEBUG - Jobs: '/usr/lib/plexmediaserver/Plex Media Scanner' exit code for process 8017 is -9 (signal: Killed)
Nov 02, 2020 02:05:20.094 [0x7fb3f8ff9700] DEBUG - It took 70.000000 ms to retrieve 1 items.
Nov 02, 2020 02:05:20.095 [0x7fb3f8ff9700] ERROR - MDE: video has neither a video stream nor an audio stream
Nov 02, 2020 02:05:20.095 [0x7fb3f8ff9700] ERROR - MDE: video has neither a video stream nor an audio stream
Nov 02, 2020 02:05:20.095 [0x7fb3f8ff9700] ERROR - IntroDetector: Failed to get a decision for: /mnt/plex2/Television/Tom.Clancys.Jack.Ryan.S01.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTG[ettv]/Tom.Clancys.Jack.Ryan.S01E02.French.Connection.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTG.mkv
Nov 02, 2020 02:05:20.095 [0x7fb3f8ff9700] DEBUG - Activity: updated activity 2346d7cd-0bee-461c-aa72-4dff732e3c4c - completed 20.2% - Detecting intros
Nov 02, 2020 02:05:20.097 [0x7fb3f8ff9700] DEBUG - Downloading document http://127.0.0.1:32400/library/metadata/13220
Nov 02, 2020 02:05:20.098 [0x7fb4117fa700] DEBUG - Media Analyzer: Performing on-the-fly analysis on 1 item.
Nov 02, 2020 02:05:20.098 [0x7fb4117fa700] DEBUG - Job running: EAE_ROOT='/tmp/pms-10855a18-4068-460d-ba5f-280367d92dfd/EasyAudioEncoder' FFMPEG_EXTERNAL_LIBS='/var/lib/plexmediaserver/Library/Application\ Support/Plex\ Media\ Server/Codecs/02cff92-3522-linux-x86_64/' X_PLEX_TOKEN='xxxxxxxxxxxxxxxxxxxx' '/usr/lib/plexmediaserver/Plex Media Scanner' '--analyze' '--log-file-suffix' ' Analysis' '--item' '13220'
Nov 02, 2020 02:05:20.100 [0x7fb4117fa700] DEBUG - Jobs: Starting child process with pid 8032
Nov 02, 2020 02:05:20.195 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45442 (Loopback)] GET /library/changestamp (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.196 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45442] 200 GET /library/changestamp (4 live) GZIP 0ms 467 bytes
Nov 02, 2020 02:05:20.197 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45446 (Loopback)] GET /:/metadata/flushMetadataCounterCache (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.197 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45446] 200 GET /:/metadata/flushMetadataCounterCache (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.273 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45450 (Loopback)] GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=analyzing (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.273 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45450] 200 GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=analyzing (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.273 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45454 (Loopback)] GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=thumbnailing (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.273 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45454] 200 GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=thumbnailing (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.551 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45458 (Loopback)] GET /library/changestamp (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.552 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45458] 200 GET /library/changestamp (4 live) GZIP 0ms 467 bytes
Nov 02, 2020 02:05:20.553 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45462 (Loopback)] GET /:/metadata/flushMetadataCounterCache (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.553 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45462] 200 GET /:/metadata/flushMetadataCounterCache (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.553 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45466 (Loopback)] GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=idle (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.553 [0x7fb4477fe700] DEBUG - Completed: [127.0.0.1:45466] 200 GET /:/metadata/notify/changeItemState?librarySectionID=2&metadataItemID=13220&metadataType=4&state=-1&mediaState=idle (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.556 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45470 (Loopback)] GET /library/changestamp (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.556 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45470] 200 GET /library/changestamp (4 live) GZIP 0ms 468 bytes
Nov 02, 2020 02:05:20.558 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45474 (Loopback)] GET /:/metadata/flushMetadataCounterCache (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.558 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45474] 200 GET /:/metadata/flushMetadataCounterCache (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.562 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45478 (Loopback)] GET /library/changestamp (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.562 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45478] 200 GET /library/changestamp (4 live) GZIP 0ms 468 bytes
Nov 02, 2020 02:05:20.563 [0x7fb4297fa700] DEBUG - Request: [127.0.0.1:45482 (Loopback)] GET /:/metadata/flushMetadataCounterCache (4 live) GZIP Signed-in Token (felix.remillard@gmail.com)
Nov 02, 2020 02:05:20.564 [0x7fb447fff700] DEBUG - Completed: [127.0.0.1:45482] 200 GET /:/metadata/flushMetadataCounterCache (4 live) GZIP 0ms 166 bytes
Nov 02, 2020 02:05:20.566 [0x7fb44dd30700] DEBUG - Jobs: '/usr/lib/plexmediaserver/Plex Media Scanner' exit code for process 8032 is 0 (success)
Nov 02, 2020 02:05:20.566 [0x7fb4117fa700] DEBUG - Killing job.
Nov 02, 2020 02:05:20.566 [0x7fb4117fa700] DEBUG - Signalling job ID 8032 with 9```