https://bugs.kde.org/show_bug.cgi?id=505938
Bug ID: 505938
Summary: Kwin dies, possibly due to missing icon or multiple
config changes
Classification: Plasma
Product: kwin
Version First 6.4.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-crash
Assignee: kwin-bugs-n...@kde.org
Reporter: jjram...@pobox.com
Target Milestone: ---
Created attachment 182500
--> https://bugs.kde.org/attachment.cgi?id=182500&action=edit
Tarball with multiple GDB backtraces
I've had two crashes with Kwin, the first of which unceremoniously took me
right back to my display manager SDDM, and the second which Kwin seemed to
recover from, at least in the sense that it didn't log me out and take me back
to the display manager again. I think they're related, and possibly even
related to #504657, but I'm not sure.
The first crash happened after I installed and loaded as much of the LyraB
Global Theme (https://store.kde.org/p/1525522) that would work on KDE 6, so the
Aurorae theme, the color scheme, the Kvantum theme, and the Lyra icon theme
(lyra.tar.xz). The icon theme turned out to be *missing* some icons, and some
of the icon files were actually broken symbolic links. In place of the LyraB
Plasma Shell theme (which was for KDE 5), I loaded the Oxygen Plasma Shell
theme. If I recall correctly -- and I'm not sure that I got everything straight
-- the crash happened when I clicked on the tray icon for the Clipboard, which
was one of the icons that was a broken link and showed up as a "blank" icon
resembling a tiny sheet of paper. After I logged back in, there was about a
minute delay before the desktop showed up again.
Unfortunately, I can't seem to reproduce this crash, not even with the
conditions that seemed to precede it, so I'm guessing that there's more to in
that just missing icons. Worse, kwin itself did not leave behind a core dump,
though Plasma shell did. The backtrace from that is in a file named
"coredumpctl-debug-plasmashell-Lyra.txt", within the attached tarball.
There's another file in that tarball, "coredumpctl-debug-plasmashell-prev.txt",
which has another backtrace from a previous Plasma shell crash, one that did
not take down Kwin. It happened before I started playing around with Lyra, but
after I was trying out the Communality and Irixium global themes.
The second crash caused Plasma shell to restart and apparently crashed kwin as
well, leaving behind a core file, but didn't force me back to SDDM. Instead,
the window decorations disappeared from an instance of Konsole that I was
running. I'm not sure quite what led to this crash, but I was again trying out
different theming options: the "Candy" icons, the "Sweet" global themes, etc.
There are four backtrace files from the core dumps associated with that:
"coredumpctl-debug-plasmashell-next.txt",
"coredumpctl-debug-systemsettings.txt", "coredumpctl-debug-Xwayland.txt", and
"coredumpctl-debug-kwin_wayland.txt", all in the attached tarball.
I wish I could be more helpful here and provide something more than backtraces,
but I don't have a clear idea what's triggering this.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.4.0
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.12.34-1-lts (64-bit)
Graphics Platform: Wayland
Processors: 12 × 12th Gen Intel® Core™ i5-12400
Memory: 32 GiB of RAM (31.2 GiB usable)
Graphics Processor: AMD Radeon RX 7800 XT
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