PMS crashing when transcoding for specific Xbox One client

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I’ve been having a reoccurring issue lately where PMS becomes unavailable, and needs the “Plex Media Server.exe” process killed and started again. In my case I believe I’ve narrowed my issue down to a specific Xbox One user.

When he begins watching something in a transcoded quality (example 720p 2mbps) and skips forward, I see 6 to 10 “Plex Transcoder.exe” processes start and max out the CPU to 100%. This continues for several minutes until the CPU goes back to idle utilization and at which point PMS is unresponsive. All processes, including all of the “Plex Transcoder.exe” remain idle. Killing “Plex Media Server.exe” and starting it again brings PMS back.

PMS version: 1.13.9.5456
Xbox One Plex App version: 2.21.1.70

I managed to download the logs when it was using 100% CPU prior to it crashing, and an additional set of logs once restarted from the crash.

Plex Media Server Logs_2018-11-18_19-42-30 (before crash).zip (3.6 MB)
Plex Media Server Logs_2018-11-18_19-45-57 (after crash and restart).zip (3.1 MB)

2

This may be happening to me too. A friend watches on Xbox One and him watching was the last thing happening before plex crashed twice recently.

3

I am also experiencing this issue with xbox one. Usually crashes when there is a fast forward or rewind. Takes the server down.

4

Now that I think about it my issue is likely the same. The same user I see with a last successful login before a crash uses the Xbox One app. Now, what’s the fix?

5

I’ve just rolled back to version 1.13.2.5154 from 5 months ago, and it’s now working perfectly (as it used to) transcoding for Xbox One clients when they fast forward or rewind. I recommend this as a temporary fix until hopefully this bug is fixed.

Download link for old Plex Media Server versions: https://www.filehorse.com/download-plex-media-server/old-versions/

6

Beta release 1.14.0.5468 has a fix for a deadlock that was triggered repeated seeks - seen a lot on XBox One

Please update and let me know if it fixes your issue. We already have confirmation from other users that the deadlock / freeze is fixed

see release note Plex Media Server - #239 by drzoidberg33

  • (Transcoder) Resolved a rare deadlock (#9332)
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