Server Version#: 1.32.6.7468-07e0d4a7e I did tried to progressively downgrade untill to 1.32.1.6999-91e1e2e2c, still same problem, not tried older versions Player Version#: chrome web I’m experiencing exactly this bug, HW transcoding is not working if tone mapping is enabled, it works if tonemap…

Just to inform you in case you are already not aware, this issue affects Intel Arc GPU’s as well. I’m running one on Debian Bookworm (with kernel 6.5) and I have the same issue.

I run 1.40.0.7998 on a J4125 without issues. I did not update to 1.40.2 yet, because of the reported server crashing issue.

I’m new to the HW transcoding, but bought a 13th gen intel NUC i7-1360P to be able to have a decent enough GPU and CPU for virtualization. Like a lot of others, i am attempting through proxmox with LXC, and see similar results as those on the thread. I can confirm with kernel 6.5.13-5-pve, i get H…

Let me interpret and reword your comment a little bit: I never wrote to pin this comment as the solution, but to pin it as helpful comment that should be much easier to find. I found a solution in this comment to a problem I had and couldn’t find anywhere else. Kind of splitting hairs but not the s…

[image] nickveldrin: Unfortunately on that 6.8.4-2-pve kernel, it breaks HW transcoding with HDR tone mapping on with HDR files. If i turn off HDR tone mapping, it’ll use hw decoding and it looks fine, but i’m not sure how that is. Are you sure you are only passing through RenderD128 and Card…

Stay off the 6.8 kernel for the time being. [image] Ubuntu 24.04 & HW transcoding Desktops & Laptops ALL: For those of you considering immediately upgrading to Ubuntu 24.04 as soon as it’s released for your PMS server – PLEASE WAIT We ask you to wait because …

I seem to be having this issue in Unraid - Tone Mapping causing really high CPU usage Should I roll back my Docker install to older version?

The issue is the underlying Linux kernel. (Remember, containers share the kernel from the host) If you still have the ability to rollback the unraid update then maybe you have a chance

Ok I have all my DB backups Unraid uses a older Kernel but I’ll roll back Plex

Would you suggest just using 23.10 for ARC Gpu? It seemingly meets the criteria and has glowing native support from this random reddit thread: https://www.reddit.com/r/PleX/comments/1c5kdd6/for_those_of_you_wondering_intel_arc_gpus_work/

HW Transcoding with HDR Tone mapping not working (hw works without tone mapping enabled)

Plex Media Server

FordGuy61 April 26, 2024, 11:44pm 158

Stay off the 6.8 kernel for the time being.

Issue HDR tone mapping with Alder Lake

Topic		Replies	Views
HDR Tone Mapping with HW Transcoding not working for 12900K CPU on PMS Version 1.32.5.7210 Plex Media Server server-docker , server-unraid	106	2762	December 14, 2023
Hardware HDR tonemapping still broken on 1.31.0.6654 Plex Media Server server-docker , server-unraid	212	2582	December 10, 2023
Intel N100 HW HDR Tonemapping not working Plex Media Server server-linux	29	852	December 14, 2023
4K HDR Hardware Transcode Plex Media Server server-linux	55	1714	May 31, 2022
HDR Tone Mapping not compatible with HW Accelerated transcoding anymore (DS920+) Plex Media Server server-synology	99	2479	April 2, 2025

HW Transcoding with HDR Tone mapping not working (hw works without tone mapping enabled)

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