Intel N355 running Emby in docker no hardware accelaration

I know this topic has been beaten to death, but I can't figure out what I'm missing.

I've been happily using Emby Premiere for almost a month. I was using a VM in a datacenter, but I recently decided to move everything to home-server powered by an Intel N355 NAS board.

I'm currently running the latest Truenas Scale version and have set up a bunch of apps in docker, including Emby. Emby is running great except it's not recognizing the Intel Quick Sync capabilities of the N355 CPU. 

https://preview.redd.it/cipakh3v3o4f1.png?width=926&format=png&auto=webp&s=65f58203c52e4b0ca67d3ed86690a9d708842fe8

I've researched the topic quite a bit.

  • I mapped the '/dev/dri/' device directory container
  • Added the graghics and renderer GIDs to GIDLIST
  • Tried running the beta

The hardware detection log shows an initialization error for /dev/dri/renderD128, but no clear description of why this error is occurring

https://preview.redd.it/808k1s234o4f1.png?width=1014&format=png&auto=webp&s=61c33d1ee4341ad38139c337ce5106ad1f861956

Here are some log files.

The intel N355 is an Alder Lake-N  CPU released early this year. I just checked and Alder Lake-N is the intel 12th gen, which should be out for a while.

Who knows what magic I'm missing to get hardware transcoding working?

Posted Jun 3, 2025, 7:55 AM UTC

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