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Bug#998386: marked as done (Plasma gets very slow when compositor is disabled on bare metal)

Your message dated Tue, 8 Mar 2022 07:52:51 +0100
with message-id <trinity-00d9f097-bd64-4248-9377-5f23a9719ecf-1646722371895@3c-app-gmx-bap64>
and subject line Re: Bug #998386 Plasma gets very slow when compositor is disabled on bare metal
has caused the Debian Bug report #998386,
regarding Plasma gets very slow when compositor is disabled on bare metal
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
998386: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=998386
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: mesa
Version: 20.3.5-1
Severity: critical
Justification: breaks graphical system like KDE

After updateing mesa from 20.3.5 to 21.2.4 in bookworm (migrated on October 21th to testing) my graphical KDE plasma 5.21 under x11 renders unusable. Note plasma 5.23 is currently unusable in testing, see, e.g., bug #996670. There are many more or less longer horizontal lines flying around, and changes of content, like typing text within a terminal, makes just written characters unreadable. The system is very slow to redraw the characters afterwards. Highlighting of elements like menus is slow and ugly. My System is a Core i7-6700 system with integrated CPU grahics Intel HD Graphics 530 rev 06.
The login manager sddm works with both versions as desired, as (I believe) it does not use mesa.

Hotfix: dowgrade all installed mesa packages to 21.2.4

Thanks fpr looking into it,
Chris

--- End Message ---
--- Begin Message --- 
Package: mesa
Version: 21.3.7-1

After an update to mesa today I tried again, and it seems now with mesa 21.3.7 and kde 5.23.5 the problems are gone: I turned off the compositor and restarted the machine. Afterwards there are currently no unwanted glitches like corrupted text etc. any more.
The bug seems to be somewhat silently fixed, i.e., at least nobody answered to my entry at https://bugs.kde.org/show_bug.cgi?id=444940 .

Thus, I close the report now.

Chris

--- End Message ---
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