RPI4 Crash while reading mkv file with MMAL Hardware acceleration enabled

joss · November 5, 2019 at 10:38 AM

Hello everyone, I'm looking for help with a raspberry PI 4

I have just installed my new raspberry Pi 4 with libreelec 9.1.502

When I try to read a film (mkv through smb) kodi crash every time.

I noticed that when I disable hardware acceleration MMAL, Kodi won't crash, but instead, my CPU load is very high, and the raspberry overheat quickly.

Here are my logs

http://ix.io/20rp

Thanks

**Iridium** · November 6, 2019 at 11:25 AM Official Post

I've tried to duplicate your issue but cannot get any sort of crash. I played a .mkv file over SMB without issues.

I have a feeling it may be the way the file was created/decoded that is causing the problem, Can you provide a snippet of the offending file (IF LEGAL) so we can try and duplicate the issue.

Yes: If you disable H/W acceleration, then it is decoded in S/W and thus the CPU has to work a lot harder - and WILL get hot,

joss · November 6, 2019 at 12:33 PM

Hello,

Thank you for your answer.

Actually, I had this problem with different files.

Sometime, it happen in less than one minute, sometimes, it's longer (30min)

Before the crash, I have green artefact on screen, and freeze, before the complete crash

Maybe it's simply a hardware issue from my Raspberry PI4?

**chewitt** · November 7, 2019 at 11:21 AM Official Post

Badly encoded media is badly encoded media. The solution is to re-rip/encode your content from your original media. If you can't do that because it's some file you stole from a torrent network .. you also have an answer.

joss · November 8, 2019 at 9:55 AM

Same issue with mp4 from

Big Buck Bunny 3D - Download

Same issue with the file directly from a usb drive (not trough smb)

**Iridium** · November 8, 2019 at 10:21 AM Official Post

Please provide a full debug log.

How to post a log (wiki)

1. Enable debugging in Settings>System Settings>Logging
2. Restart Kodi
3. Replicate the problem
4. Generate a log URL (do not post/upload logs to the forum)

use "Settings > LibreELEC > System > Paste system logs" or run "pastekodi" over SSH, then post the URL link