Plex crashing when attempting to watch

General Discussions
1

After a system restart and updating plex to the latest version ( 1.25.5.5492 ) i get this error whenever I want to play a media
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and the service crahes

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The dmp file (crash report) is not created. (Folder is empty)

The system is Ubuntu 20.04.3 LTS, and has 55% free space after being at 10% free space (tried increasing size to no success)

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The logs are here:
Plex Media Server Logs_2022-02-08_20-11-41.zip (806.7 KB)

I tried: Restarting Server, Increasing the Size of disk, set some permissions based on answer in some forum (plex:plex 777 for some library folder (plex - Unable to start PlexMediaserver service - Ask Ubuntu)).

It worked fine this morning before the server update/restart

2

It looks like two of the crashes happened when the server was initiating a video transcode, checking the ability to use a Nvidia GPU.

From Plex Media Server.2.log:

Feb 08, 2022 20:08:38.271 [0x7f93614deb38] DEBUG - [Transcode] Could not create hardware context for h264_vaapi
Feb 08, 2022 20:08:38.271 [0x7f93614deb38] DEBUG - [Transcode] Codecs: testing h264_nvenc (encoder)
Feb 08, 2022 20:08:38.271 [0x7f93614deb38] DEBUG - [Transcode] Codecs: hardware transcoding: testing API nvenc

The crash uploader runs immediately afterwards, then the Plex server is restarted at 20:10.

The same process happened earlier, at 20:05 (Plex Media Server.4.log).


Are you using a Nvidia GPU for hardware accelerated transcoding?

If not, disable Use hardware acceleration when available in Settings → Transcoder.

Did the Plex installation log show any errors when you updated things?

3

I use a 1060 for coding. (Always worked fine)
/var/log/apt/history.log doesn’t show errors for todays update.

4

What about /tmp/plexinstaller.log?

It should show what hardware/software the Plex installer found.

Here’s a snippet from another thread (unrelated topic, but provides an example of the file):

HaveNvidia=0
Processor=Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz

Also, as a test, you might disable hardware acceleration then play something and force a video transcode.

That will show if software transcoding is working, to help isolate the problem.

5

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The file doesn’t exist. However the hardware is the problem, thank you. Disabling hardware acceleration worked. The server update somehow broke the compatibility with the kernal and the nvidia driver.

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Sorry for the inconvenience.

6

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