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#1 2023-02-25 11:31:54

Jocomol
Member
From: Switzerland
Registered: 2022-07-13
Posts: 35
Website

[Solved] Artefacts with MPV and Chromium based Software

Host: Thinkpad T14 Gen 3
Kernel: LTS / Latest
WM: dwm (larbs larbs.xyz)
CPU: 12th Gen Itnel i7
GPU: Intel Alder Lake-P
Compostior: picom (started with picom --config /dev/null --vsync & in ~/.xprofile)
GPU driver and version: xf86-video-intel 1:2.99.917+923+gb74b67f0-1

I've recently reinstalled my arch linux installation. Since then I have weird artefacts/stuttering with mpv and chromium based software. I would love to show you the problem but screen recordings don't seem to show it very well. Essentially what happens is that the first and the second rendered frame of the software keep repeating. With mpv I noticed that the audio was still running so it has to be a graphical problem.

What I've tried:
- https://github.com/mpv-player/mpv/issues/11361
- Change compositor to xcompmgr
- Disable vsync for intel driver
- Disable vsync for picom
- Start chromium with --no-gpu (This worked but the equivalent for mpv didn't)
- change kernel from Latest to Lts

Last edited by Jocomol (2023-02-25 13:33:57)

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#2 2023-02-25 11:59:17

seth
Member
Registered: 2012-09-03
Posts: 51,162

Re: [Solved] Artefacts with MPV and Chromium based Software

kill the compositor, drop xf86-video-intel (and thus use the modesetting driver) and if things still fail, post the output of mpv (we'll ignore chromium for the moment, that context has other issues)

Edit: mpv bug and https://0x0.st/HswQ.txt are yours?

Last edited by seth (2023-02-25 11:59:51)

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#3 2023-02-25 12:08:17

Jocomol
Member
From: Switzerland
Registered: 2022-07-13
Posts: 35
Website

Re: [Solved] Artefacts with MPV and Chromium based Software

With "kill" and "drop" do you mean "stop" and "uninstall" respectively?

Yes, the bug is mine

Last edited by Jocomol (2023-02-25 12:17:21)

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#4 2023-02-25 12:16:33

seth
Member
Registered: 2012-09-03
Posts: 51,162

Re: [Solved] Artefacts with MPV and Chromium based Software

Yes.

Edit: NOT! "kill -SIGSTOP", though! Terminate the compositor process.

Last edited by seth (2023-02-25 12:17:17)

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#5 2023-02-25 12:40:00

Jocomol
Member
From: Switzerland
Registered: 2022-07-13
Posts: 35
Website

Re: [Solved] Artefacts with MPV and Chromium based Software

I tried this and now remember why I installed xf86-video-intel in the first place: it fails with the following error message.
http://0x0.st/Hs01.log

Here is also the xorg log (Hope its the correct one, had to reinistall xf86-video-intel and restart Xorg to post this)
http://0x0.st/Hs0j.log

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#6 2023-02-25 12:50:57

seth
Member
Registered: 2012-09-03
Posts: 51,162

Re: [Solved] Artefacts with MPV and Chromium based Software

[  4539.845] (**) |   |-->Device "Intel Graphics"
grep -i intel /{etc,usr/share}/X11/xorg.conf*

Get rid of that config.

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#7 2023-02-25 13:06:08

Jocomol
Member
From: Switzerland
Registered: 2022-07-13
Posts: 35
Website

Re: [Solved] Artefacts with MPV and Chromium based Software

Yep, that seems to have done it, thank you very much!

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#8 2023-02-25 13:21:16

seth
Member
Registered: 2012-09-03
Posts: 51,162

Re: [Solved] Artefacts with MPV and Chromium based Software

\o/
Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

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