SOLVED: FFmpeg exits with code 187 when playing select files

[Ch3ck3rM0n]

First of all I found the issue and now it is working. Your link give me the last kick in the ass to find out :-D
It was a permission error. I don't know why but the renderD*s have been part of the wrong group "_ssh" and not "render".

Code:

root@jellyfin:/dev/dri# ll
total 0
drwxr-xr-x  3 root root      220 Jan 21 17:27 ./
drwxr-xr-x 10 root root      660 Jan 21 17:48 ../
drwxr-xr-x  2 root root      200 Jan 21 17:27 by-path/
crw-rw----  1 root video 226,  1 Jan 20 16:08 card1
crw-rw----  1 root video 226,  5 Jan 20 16:08 card5
crw-rw----  1 root video 226,  6 Jan 20 16:08 card6
crw-rw----  1 root video 226,  7 Jan 20 16:08 card7
crw-rw----  1 root _ssh  226, 128 Jan 20 16:08 renderD128
crw-rw----  1 root _ssh  226, 133 Jan 20 16:08 renderD133
crw-rw----  1 root _ssh  226, 134 Jan 20 16:08 renderD134
crw-rw----  1 root _ssh  226, 135 Jan 20 16:08 renderD135

To fix it, I got two options "changing ownership" or "add jellyfin to _ssh group". I changed the ownership and now the movie is streaming. So thank you for the second look, sometimes it needs more eyes on it.

Anyway, to answer your questions about so many GPUs. It is because of DKMS:
https://github.com/strongtz/i915-sriov-d.../README.md

It is modifing the official kernel to passphrough graphic card to virtual machine (for me two Windows 11 hosts), explained here:
https://www.derekseaman.com/2024/07/prox...-lake.html

But about AV1 are you sure? The monkey say it supports the codec: https://www.cpu-monkey.com/en/cpu-intel_core_i7_12650h