Fixed Mate desktop spamming xorg logs - now video jagged

[Jeremy Ardley]

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







The big problem now is video playing has obvious tearing of the image.

My video card is



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?

--
Jeremy

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. 09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Caicos PRO [Radeon HD 7450]

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