this post was submitted on 01 Apr 2026
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jellyfin started stuttering recently, how to debug? (lemmy.zip)
submitted 2 months ago* (last edited 2 months ago) by illusionist@lemmy.zip to c/selfhosted@lemmy.world
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I tried "all" settings. I tried reading the logs and norhing helped. I had many months without issues. How do you guys debug it? The logs aren't too helpful for me and there are too many settings for me to play with. I've got an intel GPU with eirher QSV or VAAPI. Disabling does not work either. CPU is normal, GPU is normal. RAM is not full.

Edit:

  • one drive was failing. SMART showed a dying drive. I replaced it and everything is smooth again. That is why I couldn't find anything within the logs. And until today I didn't know how to read io properly and check for smart status.

Things to watch out for

  • cpu usage
  • gpu usage
  • right gpu tools. Properly passed to container. Properly used by jellyfin.
  • proper transcoding settings with the gpu within jellyfin
  • ram
  • storage of drives
  • io write/read speed
  • jellyfin folders on ssd, media on hdd
  • healt / smart status of drives
  • lan bottleneck
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[–] FauxLiving@lemmy.world 4 points 2 months ago* (last edited 2 months ago) (2 children)

What do you mean by stuttering? It's not keeping the buffer filled for the player? It contains extraneous consonants?

Is this happening in the web interface? Android App? Jellyfin Media Player? Roku? Xbox? PS4? a Tesla dashboard?

Is Jellyfin running in a container? Linux? Windows? TempleOS?

But, to be serious, What have you tried so far? The answer is almost always some form of 'look at the logs' and 'use Google on any errors that occur' or if you're not rabidly anti-AI and have access to an agentic AI with web access you can go that route.

[–] GalacticSushi@piefed.blahaj.zone 3 points 2 months ago (1 children)

TempleOS?

If this is the case, my recommendation is to power the server off fully and unplug it before having a priest use holy water to exorcise whatever daemon is causing the problem

[–] FauxLiving@lemmy.world 2 points 2 months ago

Let it rest on the 7th day and then there will be light.

[–] illusionist@lemmy.zip 2 points 2 months ago (1 children)

Thx, A disk was failing, I updated my post

[–] FauxLiving@lemmy.world 2 points 2 months ago

Nice! I'm glad you were able to figure it out :)