Yet another Plex media server freezes constantly for no reason

Plex Media Server Desktops & Laptops
62

Nevermind, found the location
Only found the first file though
40016988-60BD-4AD5-B7DE-71F27A8D9EEE.zip (37.2 KB)

63

Excellent - that was the 25th March 01:10 am crash
I will refer it to the development team with the logs and other crash reports and logs

1 Like
65

Thanks, fingers crossed :grinning:

66

The 1.25.9.5721 beta that came out yesterday addresses a number of crashes seen on windows.

There is a possibility that these changes may also address some of your server crashes

Please update to this version and let me know if there is any difference and fresh debug server logs after any new crashes

Thanks

Release Notes for 1.25.9.5721 :

1 Like
67

I’ve updated to this, will update here if I get a crash

68

Unfortunately no go, had another crash since updating.
13 Apr Logs.zip (2.4 MB)

Has there been any other feedback on what we can do?

69

Any more news please?

70

I don;t have any update on this - looking at recent crash uploads, I see some crashes in the libminiupnpc module we have within Plex Media Server

I would suggest updating your Mac OS from version 12.2.1 to current version and get debug server logs for crashes that arise after that using current version of Plex Media Server

71

The problem is still there (from once to several times a day) with latest versions of everything.

May we find a path together to fix this?

72

The last set of diagnostics I had from your server was from December 2021. We have fixed issues that give rise to freezes / deadlocks since. These have not resolved all causes but have helped a lot of users

Another cause for a deadlock was discovered yesterday - with dumps an logs from @Malcolm_John and a fix is being worked on.

73

I wasn’t to dump logs after every crash, I would have overloaded the forum :wink:

Please let me know if you need anything. If you can specifically highlight the supposed fixed build, I’ll watch the next crash.

I think you mentioned once that it could be a faulty file. It would be great that you left a trace in the logs (instead of crashing) as I may have too many to check them all manually.

74

I suggest waiting for the fix for the deadlock bug we discovered this week and then get new diagnostics if problems remain

let me know what platform / build

1 Like
75

is 1.28.1.6057 the one ?

76

Please Media Server 1.28.2 has just been released as a beta release

It has a fix for a deadlocks issue that was identified last week

  • Server could hang in certain circumstances (#13758)
77

deadlock after 22h. Switching to debug logs. Will PM after next crash.

78

deadlocks happen over and over again (running latest beta).

79

Thank you. I am looking into one case that involves a deadlock when scheduled task database optimization or backup runs - waiting for user dump and corresponding logs - so would love to see your diagnostics for this when using the 1.28.2 beta which has extra logging for deadlocks

80

will do after next crash. thank you.

81

done. Sent with PM.

82

Thanks - I need to amend my instructions for getting a process dump for Mac OS as the process samples do not have the relevant symbols

Diagnostics for a deadlock / lockout and subsequent Error 503s (Mac OS)

  1. Prepare yourself by finding the server security token string as it will be needed for the connections list request. To find the token string, see this support article Finding an authentication token / X-Plex-Token | Plex Support

  2. Ensure the server debug logging is enabled in advanced server settings.

  3. Disable Crash Reporting to ensure dumps do not get purged. Settings / Server / Show Advanced / untick “Send crash reports to Plex” and save changes

  4. It may be necessary to increase the number of log files from the default. See Adavnced Server Setting “LogNumFiles” in this support article. Suggest setting it to 10. Advanced, Hidden Server Settings | Plex Support

  5. Restart the server to get fresh log files created - and wait for time when the issue arises

  6. When the problem occurs (and please wait for sufficient time before capturing diagnostics or restarting eg 10 minutes of requests to the server not getting through) , get the output from a specific browser request on the server. In a browser, go to this url

http://localhost:32400/connections?X-Plex-Token=xxxxxxxx

where you put the server token string instead of the xxxxxxx. Copy the displayed output to a text file and save

  1. Next is to force a process dump for the Plex Media Server app process. Open Mac OS “Activity Monitor” and locate the “Plex Media Server” process and note down the “PID” number

  2. Open terminal session on the Mac and force a crash for the process by entering this command:
    kill -6 <pid>
    e.g. kill -6 1962 if the PID for Plex Media Server was 1962

  3. Wait few seconds and then using Finder, locate the Plex Media Server “Crash Reports” folder
    use the Finder’s Go menu, select Go To Folder… then enter the following in the dialog box that pops up:

~/Library/Application Support/Plex Media Server/Crash Reports/

Then within that folder, open the folder for the version of Plex Media Server that is running and within that open the “PLEX MEDIA SERVER” folder. A crash report dmp file should be here generated after the kill -6 pid

Copy this file out and zip it

  1. Restart the server and capture the zipped server logs

  2. send me by private message with the zipped dmp files and the saved /connections output text files and the zipped server logs