# Hardware-accelerated transcoder fails and transcode falls back to CPU

**URL:** https://forums.plex.tv/t/hardware-accelerated-transcoder-fails-and-transcode-falls-back-to-cpu/943506
**Category:** Plex Media Server
**Tags:** server-linux
**Created:** [September 27, 2026, 5:29am UTC](https://forums.plex.tv/t/hardware-accelerated-transcoder-fails-and-transcode-falls-back-to-cpu/943506 "2026-09-27T05:29:07Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![jque56](https://avatars.discourse-cdn.com/v4/letter/j/5f9b8f/32.png) [@jque56](https://forums.plex.tv/u/jque56)
#### Post date: [September 27, 2026, 5:29am UTC](https://forums.plex.tv/t/hardware-accelerated-transcoder-fails-and-transcode-falls-back-to-cpu/943506/1 "2026-09-27T05:29:07Z")

</div>

Server Version#: Version 1.43.4.10903  
Player Version#:Version 1.115.0.426-4e960a1d  
\<If providing [server logs](https://support.plex.tv/articles/200250417-plex-media-server-log-files/) please do NOT turn on verbose logging, only [debug logging](https://support.plex.tv/articles/201643703-reporting-issues-with-plex-media-server/#toc-1) should be enabled\>

chip “HawkPoint1”, Ryzen 8000

=== TEST A: mkv ===  
/home/runner/\_work/plex-conan/plex-conan/.conan/data/libdrm/2.4.120-10/plex/main/build/efa0a46a43ccff1a413019d84a0adb4be8eac229/meson-install/share/libdrm/amdgpu.ids: No such file or directory  
[vost#0:0/h264\_vaapi @ 0x145e108934c0] Error submitting a packet to the muxer: Invalid data found when processing input  
[out#0/matroska @ 0x145e0eeae700] Error muxing a packet  
[out#0/matroska @ 0x145e0eeae700] Error writing trailer: Invalid data found when processing input  
EXIT A: 183  
=== TEST B: plex options ===  
/home/runner/\_work/plex-conan/plex-conan/.conan/data/libdrm/2.4.120-10/plex/main/build/efa0a46a43ccff1a413019d84a0adb4be8eac229/meson-install/share/libdrm/amdgpu.ids: No such file or directory  
[vost#0:0/h264\_vaapi @ 0x147d9a0c3cc0] Error submitting a packet to the muxer: Invalid data found when processing input  
[out#0/matroska @ 0x147d98ae4140] Error muxing a packet  
[out#0/matroska @ 0x147d98ae4140] Error writing trailer: Invalid data found when processing input  
EXIT B: 183