Hardware Transcoding with Intel UHD Graphics 605 on Proxmox Privileged LXC

[designingbeing]

Jellyfin is giving the error "Playback failed due to a fatal player error" whenever I enable hardware transcoding.

I've followed the Jellyfin tutorial for Proxmox LXCs as best as I can and found a lot of threads on the subject but I'm not having success:

FFmpeg logs show 

Code:

No VA display found for any default device. 
Device creation failed: -22

The only thing that stands out to me is that

Code:

getent group render

gives different values on LXC=106, Proxmox Host=104. I'm not sure if this is even an issue, or what to do about it.


[*]Jellyfin 10.9.9
[*]Debian 12 running as a Privileged LXC container on Proxmox 8.2.4
[*]Installed via curl https://repo.jellyfin.org/install-debuntu.sh | sudo bash
[*]J5005 processor which iirc is Gemini Lake, based on Kaby Lake with Intel UHD Graphics 605

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Output from commands run on LXC Container:
vainfo
  vainfo - LXC.txt (Size: 1.32 KB / Downloads: 98)
getent group video, getent group render
  getent group video render - LXC.txt (Size: 89 bytes / Downloads: 73)
groups jellyfin
  groups jellyfin - LXC.txt (Size: 51 bytes / Downloads: 95)
ls -la /dev/dri
  ls -la devdri - LXC.txt (Size: 178 bytes / Downloads: 96)
usr/lib/jellyfin-ffmpeg/ffmpeg -v verbose -init_hw_device vaapi=vadev/dri/renderD128 -init_hw_device opencl@va
  usrlibjellyfin-ffmpegffmpeg - LXC .txt (Size: 2.33 KB / Downloads: 116)

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Output from commands run on Proxmox Host:
getent group video, getent group render
  getent group video render - PROXMOX.txt (Size: 73 bytes / Downloads: 74)
ls -la /dev/dri 
  ls -la devdri - PROXMOX.txt (Size: 299 bytes / Downloads: 85)

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LXC Configuration file:

  LXC.conf.txt (Size: 674 bytes / Downloads: 107)

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FFmpeg logs:

  FFmpeg.Transcode-2024-08-24_22-34-40_ebf5e9fffb88af435b038fe26661932d_6a2c85e4.log.txt (Size: 12.61 KB / Downloads: 92)
  FFmpeg.Transcode-2024-08-24_22-34-42_ebf5e9fffb88af435b038fe26661932d_b511f466.log.txt (Size: 12.58 KB / Downloads: 101)
  FFmpeg.Transcode-2024-08-24_22-34-43_ebf5e9fffb88af435b038fe26661932d_60cec405.log.txt (Size: 12.58 KB / Downloads: 113)
  FFmpeg.Transcode-2024-08-24_22-34-43_ebf5e9fffb88af435b038fe26661932d_74996ef6.log.txt (Size: 12.61 KB / Downloads: 109)
  FFmpeg.Transcode-2024-08-24_22-34-46_ebf5e9fffb88af435b038fe26661932d_32634eca.log.txt (Size: 12.58 KB / Downloads: 88)
  FFmpeg.Transcode-2024-08-24_22-34-47_ebf5e9fffb88af435b038fe26661932d_3e01173c.log.txt (Size: 12.58 KB / Downloads: 82)
  FFmpeg.Transcode-2024-08-24_22-34-47_ebf5e9fffb88af435b038fe26661932d_ff05bcb8.log.txt (Size: 12.61 KB / Downloads: 93)

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Jellyfin log 1/2 https://pastebin.com/bnq8306r
Jellyfin log 2/2 https://pastebin.com/H6N0am7u