https://bugs.kde.org/show_bug.cgi?id=510747
Bug ID: 510747
Summary: Fast flicker then freeze with Brave, Ungoogled
Chromium and Signal apps
Classification: Plasma
Product: kwin
Version First 6.4.5
Reported In:
Platform: KDE Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-present-windows
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
For about a month - I have been unable to use two apps I prefer to use
regularly - Ungoogled Chromium and Signal. Brave also has the same behavior.
Firefox is NORMAL - no problem... I have not found the issue on any of the
other many apps I use regularly. Each of these apps invokes a fast screen
flicker with rectangular patterns superimposing over the regular display
contents, then screen freezes. When I look at crash reporter contents, nothing
shows up other than for Lucky Backup - and that works perfectly normally so
those are probably very old crash reports.
I am not 100% sure this is a kwin issue. This is a guess on my part - I have
no system diagnostic info to tell me what is causing the issue.
STEPS TO REPRODUCE
1. Launch one of the above listed apps.
2. Watch screen flicker almost immediately and wait. Sometimes it briefly
stabilizes. Other times just keeps flickering. I am not able to use the app.
Typing either does not show up -- or shows up several seconds later.
3. Try to move mouse. If I do it soon, I can successfully close the app.
4. The screen freezes and since I do not know - and haven't been able to find
online a key combination to unfreeze the screen or restart Plasma, I do a hard
machine power off and reboot.
OBSERVED RESULT
Fast flicker, then screen freeze with application still open.
EXPECTED RESULT
Normal use of the application software
SOFTWARE/OS VERSIONS
Operating System: KDE neon User Edition
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.18.0
Qt Version: 6.9.2
Kernel Version: 6.14.0-33-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-2600 CPU @ 3.40GHz
Memory: 32 GiB of RAM (31.3 GiB usable)
Graphics Processor 1: AMD BARTS
Graphics Processor 2: Mesa Intel® HD Graphics 2000
Manufacturer: Apple Inc.
Product Name: iMac12,2
System Version: 1.0
ADDITIONAL INFORMATION
I am not positive this is kwin
I wish I were more skilled with bug investigation and reporting. I keep all
software updated at least daily. Really appreciate all the work you put into
KDE.
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