https://bugs.kde.org/show_bug.cgi?id=466317

Craig Howard <k...@choward.ca> changed:

           What    |Removed                     |Added
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                 CC|                            |k...@choward.ca

--- Comment #2 from Craig Howard <k...@choward.ca> ---
I've observed the same.  It usually manifests in one of two ways:

* a completely black window, usually a desktop notification
* a window that won't repaint, sometimes the screen lock

I run X11 and cannot switch to wayland, because my workflow relies on
barriers/barrierc, which are X11 only at the moment.  This is on a desktop with
a single monitor.  Note that kwin --replace does not mitigate the issue. 
Neither does loginctl unlock-session (the mouse pointer changes and I can
click, but the screen is not updated).  I see this once every few days, I will
try restarting plasmashell next time it occurs.

There's a reddit thread with two others observing the same behaviour:
https://www.reddit.com/r/kdeneon/comments/11x2oxd/notification_appears_black_and_after_that_the/

My system details are below.  I started observing this in neon a month or two
ago; I'm not sure exactly when.  I'm not sure what other debugging information
would be useful; let me know.  Nothing jumps out at me in journalctl.  I've
seen a few cores in plasmashell, but they don't seem to correlate to this
issue.

Operating System: KDE neon 5.27
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 5.19.0-35-generic (64-bit)
Graphics Platform: X11
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor
Memory: 62.7 GiB of RAM
Graphics Processor: AMD Radeon RX 6750 XT
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: X570 AORUS ELITE
System Version: -CF

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