I’m also seeing this issue. I’ve seen it on many versions. I’m currently running the following version:
ii plexmediaserver 1.12.1.4885-1046ba85f amd64 Plex organizes all of your personal media so you can easily access and enjoy it.
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - DVR:Recorder: Asked to stop recording ‘Supernatural - E23 - Let the Good Times Roll’.
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - DVR:Recorder: Asked to stop recording ‘Gotham - E22 - A Dark Knight: No Man’s Land’.
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - DVR:Recorder: Stopping transcode session.
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - DVR:Recorder: Stopping transcode session.
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - Killing job.
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - Killing job.
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - Signalling job ID 17634 with 9
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - Signalling job ID 17633 with 9
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:00:31.816 [0x7fe1b8ff7700] DEBUG - Stopping transcode session 6772f24a-58be-46d5-9794-a301bde21c90
May 17, 2018 20:00:31.816 [0x7fe1a5bff700] DEBUG - Stopping transcode session 289394d3-26e1-4a5f-a696-24b74030aa16
May 17, 2018 20:00:31.818 [0x7fe1c7fff700] DEBUG - Cleaning directory for session 289394d3-26e1-4a5f-a696-24b74030aa16 (/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Cache/Transcode/Sessions/plex-transcode-289394d3-26e1-4a5f-a696-24b74030aa16)
May 17, 2018 20:00:31.818 [0x7fe1a2bf9700] DEBUG - Cleaning directory for session 6772f24a-58be-46d5-9794-a301bde21c90 (/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Cache/Transcode/Sessions/plex-transcode-6772f24a-58be-46d5-9794-a301bde21c90)
May 17, 2018 20:00:31.818 [0x7fe1a5bff700] DEBUG - DVR:Grabber: Freed a tuner (now 2 available)
May 17, 2018 20:00:31.819 [0x7fe1a5bff700] DEBUG - DVR:Grabber: Operation for Gotham - E22 - A Dark Knight: No Man’s Land completed with status error (There was a transcoder error)
May 17, 2018 20:00:31.819 [0x7fe1a5bff700] DEBUG - Activity: Ended activity 260107fc-f0f8-4867-98fc-f519f0982bed.
May 17, 2018 20:00:31.819 [0x7fe1a5bff700] ERROR - DVR:Grabber: Starting media grab failed.
May 17, 2018 20:00:31.835 [0x7fe1b8ff7700] DEBUG - DVR:Grabber: Freed a tuner (now 3 available)
May 17, 2018 20:00:31.835 [0x7fe1b8ff7700] DEBUG - DVR:Grabber: Operation for Supernatural - E23 - Let the Good Times Roll completed with status error (There was a transcoder error)
May 17, 2018 20:00:31.836 [0x7fe1b8ff7700] DEBUG - Activity: Ended activity 5a19403e-94fa-4a0b-8b72-f221a367710b.
May 17, 2018 20:00:31.836 [0x7fe1b8ff7700] ERROR - DVR:Grabber: Starting media grab failed.
May 17, 2018 20:00:32.351 [0x7fe1af3ff700] DEBUG - DVR:Recorder: Asked to stop recording ‘Gotham - E22 - A Dark Knight: No Man’s Land’.
May 17, 2018 20:00:32.351 [0x7fe1af3ff700] DEBUG - DVR:Recorder: Asked to stop recording ‘Supernatural - E23 - Let the Good Times Roll’.
May 17, 2018 20:02:18.037 [0x7fe1bdffe700] DEBUG - NetworkServiceBrowser: SSDP arrived: 10.8.42.16 (http://10.8.42.16:8008/ssdp/device-desc.xml)
May 17, 2018 20:02:18.038 [0x7fe1a4bfd700] DEBUG - HTTP requesting GET http://10.8.42.16:8008/ssdp/device-desc.xml
May 17, 2018 20:02:18.057 [0x7fe1a4bfd700] DEBUG - HTTP 200 response from GET http://10.8.42.16:8008/ssdp/device-desc.xml
May 17, 2018 20:03:02.373 [0x7fe1c1ffd700] DEBUG - Shutting down idle session 289394d3-26e1-4a5f-a696-24b74030aa16 (idle time is 180 seconds)
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Whacked session 289394d3-26e1-4a5f-a696-24b74030aa16, 1 remaining.
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Shutting down idle session 6772f24a-58be-46d5-9794-a301bde21c90 (idle time is 180 seconds)
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Job was already killed, not killing again.
May 17, 2018 20:03:02.379 [0x7fe1c1ffd700] DEBUG - Transcoder: Cleaning old transcode directories.
May 17, 2018 20:03:02.405 [0x7fe1c1ffd700] DEBUG - Whacked session 6772f24a-58be-46d5-9794-a301bde21c90, 0 remaining.
May 17, 2018 20:03:02.405 [0x7fe1c1ffd700] DEBUG - Killed 2 idle sessions out of a total of 2.
May 17, 2018 20:03:14.522 [0x7fe1a93fe700] DEBUG - EPG[onconnect]: Purging 158 airings which completed in the past.
I’m about to upgrade to the latest and restarting will likely resolve the issue for a few weeks and then i’m certain it will return.