FFmpeg exited with code 187

[testomat]

Hi, im new to jellyfin and need help. When i play some videos, i got a playback fail.
I have a Lenovo M720q with i5 8500T CPU, running unraid and jellyfin in a docker container.

I attached an error log. Whenever you need more infos, just leave a message.
Thanks.

[theguymadmax]

Post the ffmpeg logs and your docker file.

[testomat]

Where i can find the ffmpeg logs ? I installed jellyfin via unraid app store. So how i can get the docker file ?

[testomat]

I found the logs for the ffmpeg. See log.txt
  Log.txt (Size: 6.1 KB / Downloads: 7)

[theguymadmax]

I'm unfamiliar with unriad. But it sounds like you didn't pass the GPU into the container. It should be in the advanced view as described in this video: https://www.youtube.com/watch?v=_2Fz823YjUY&t=711s

[testomat]

i added the parameter in the docker container --device=/dev/dri, but it doesn't work.
The /dri directory does not exist in jellyfin. Is it a problem with the user rights ?

[testomat]

That was a good tip, thanks. I got the solution now.
I have to add two devices in my docker container for passthrough

--device /dev/dri/renderD128dev/dri/renderD128
--device /dev/dri/card0dev/dri/card0

Then it works. It can be closed here.