Cannot get QSV ENCODING to function properly on unRAID

[jahagafut 5]

If I use QSV for ENCODING I get constant micro stuttering, but it isn't an issue at all if I set only ENCODING to VAAPI on Unraid.

Things i've tried;

• Turning off throttling
• Turning off tonemapping

  chmod -R 777 /dev/dri

   

• Transcoding to RAM
• Transcoding to disk
• Other media servers
• Other docker images of EMBY
• Turning off subtitle extraction
•  

Hardware;

• i5-14500
• 128Gb (4 x 32Gb) DDR4 at 2667mhz
• 2 x 22TB Ironwolf Pro
• 1 x 4TB Lexar NVME
• Unraid 7.0

Additional Info;

• intel-gpu-top: Intel Alderlake_s (Gen12) @ /dev/dri/card0 -    0/   0 MHz;   0% RC6;  0.00/ 6.97 W;        0 irqs/s

• ls -l /dev/dri 
  total 0
  drwxrwxrwx 2 root root        80 Feb  5 20:24 by-path/
  crwxrwxrwx 1 root video 226,   0 Feb  5 20:24 card0
  crwxrwxrwx 1 root video 226, 128 Feb  5 20:24 renderD128

Note that although I have a Raptor Lake CPU it shows up everywhere as Alderlake??

jahagafut-diagnostics-20250206-0916.zip qsv encoding.txt vaapi encoding.txt

[Luke 42077]

Hi, are you able to install our native package to see how things compare? Just as a test?

[jahagafut 5]

2 hours ago, Luke said:

Hi, are you able to install our native package to see how things compare? Just as a test?

I'm currently using the official one, yes

[Luke 42077]

On 2/6/2025 at 4:11 PM, jahagafut said:

I'm currently using the official one, yes

@jahagafutby native I mean non-docker. Can you please test that? Thanks !

[Neminem 1518]

@LukeSince opp is using unRaid I don't think that is possible or wise.

unRaid boots of a USB stick, and after boot it lives in RAM.

There is not a OS drive in unRaid. 

Edited February 13, 2025 by Neminem

[Neminem 1518]

@jahagafuttry with vaapi thats how it got it working.

I see you tried vaapi and got that working

Edited February 13, 2025 by Neminem

[yocker 1247]

On 2/6/2025 at 4:26 PM, jahagafut said:

Note that although I have a Raptor Lake CPU it shows up everywhere as Alderlake??

 

Bought it used or on some dodgy website?
It's a well known trick to remove the heatspreader and replace it with a new one so they can sell the CPU as a newer generation.

Not that it matters much for this topic, alder lake should be plenty fast for transcoding.

[Neminem 1518]

@yockerguess I bought a dut too.

Emby transcoding devices

unRaid device 

I would guess emby is misidentifying our gpu, and that messes with transcoding with QS enabled.

[Neminem 1518]

Ohh wow this is strange

unRaid shows AlderLake as VGA, but all other things are RaptorLake

 

Edited February 13, 2025 by Neminem

[yocker 1247]

@NeminemHuh, never seen that before. Wonder if it's a bug in Linux or some leftover in the CPU from previous generation or something.

I will eat my words about the dodgy site purchase for sure!

[Q-Droid 989]

I've seen a convo about this before and I think it's an Intel thing.