Troubleshooting Hardware Acceleration

Plex Media Server Desktops & Laptops
1

Server Version#: 1.19.4.2902
Player Version#: 4.35.1 (web)

Not sure where to start with troubleshooting. I’ve installed Plex on dozens of systems over the years, and never had issues with my Nvidia GPUs doing transcoding. I just upgraded my Plex server to Ubuntu 20.04 (clean install) and now hardware transcoding fails.

Disabling hardware acceleration/encoding causes the transcodes to work fine, but obviously using my CPU instead of GPU. I installed the latest Nvidia driver (440.82) from their website. nvidia-smi shows the card is there and working fine. The Plex dashboard shows that the video is buffering, but neither the CPU nor GPU are actually doing anything. The video never loads, just sits there spinning. If I switch to Direct Play, it loads just fine.

Where do I start troubleshooting for this issue? I’ve never had issues with it before, as long as nvidia-smi shows the card, it’s just worked.

2

check your dev dir’s

#check nvidia-smi works check /dev/nvidia* for nvidia0 nvidia-modeset nvidia-uvm nvidia-uvm toolkit

if your missing any thing run two commands

nvidia-smi and nvidia-modprobe -c0 -u

if your having isues you will need to check folder permissions of those folders

the fallowing link shows you how to get HW transcoding working on a lxc but a lot of the same info is the same on the host system

3

This topic was automatically closed 90 days after the last reply. New replies are no longer allowed.