On 04/22/2022 01:50 AM, Jeremy Ardley wrote:
> I'm using Mate 1.20. I noticed a continual flood in my /var/log/Xorg.0.log
>
> modeset(0): Failed to get GBM bo for flip to new front.
>
> I tracked down the error at
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1645553
>
> I used more or less the procedure documented by pkoz 2018-12-28 08:17:40 UTC
> and the spamming stopped.
>
> MATE menu>System>Preferences>Look and Feel>Windows>General tab>Enable
> software compositing window manager checkbox.
>
> However, some artefacts developed such as black borders on menu panels. Not
> so much a problem.
>
> The big problem now is video playing has obvious tearing of the image.
>
> My video card is
>
> 09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Caicos PRO [Radeon HD 7450]
>
> and my system
>
> PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
> NAME="Debian GNU/Linux"
> VERSION_ID="11"
>
> Any suggestions on how to get clean video again?
>
look in your xorg.conf to see what module gets loaded.
then read the manpage and randomly disable/enable settings
until something works.