https://bugs.kde.org/show_bug.cgi?id=507992
Bug ID: 507992
Summary: Hanging on blocking d-bus calls, Meta key stops
opening application launcher
Classification: Plasma
Product: plasmashell
Version First 6.4.3
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: generic-performance
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: 1.0
Created attachment 183865
--> https://bugs.kde.org/attachment.cgi?id=183865&action=edit
gdb backtrace of plasmashell at the time of the bug happening
SUMMARY
Every few days into a Plasma session, my Meta key suddenly stops opening the
application launcher in my panel. When this happens, a bunch of other things
break as well. Killing plasmashell is enough to fix things for a few days
without needing to log out completely.
STEPS TO REPRODUCE
1. Leave my computer on doing nothing overnight
2. Wake up in the morning
3. Try to use my Meta key. If it doesn't work, *the bug* is happening.
OBSERVED RESULT
Along with the pesky meta key issue, here's a list of weird things that also
happen.
- Sometimes my panel is completely hung, I can't click on anything or hover
over things, nothing reacts.
- Receiving a Discord message is enough to hang Discord. It keeps rendering
frames, but I can't click on anything or type in the message field.
- Trying to launch most apps from my panel (if it's responsive at all) causes
it to hang, until the app eventually opens.
- Trying to do the same, but from the application launcher, causes the
application launcher itself to hang. That is, of course, until an app
eventually launches.
- Krunner still works fine, but sometimes it doesn't respond to the shortcut.
- Although krunner works fine, trying to search inside the *app launcher* does
not. It always returns no results, no matter what I search.
EXPECTED RESULT
My Meta key should always open the application launcher and none of the other
weird issues should be happening.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Plasma 6.4.3 on Arch Linux. Also observed on Fedora 42 Plasma
Edition.
KDE Plasma Version: 6.4.3
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.1
ADDITIONAL INFORMATION
I was told by another Plasma developer to take the backtrace of plasmashell the
next time I see the bug happening. It's a lot of text, so I've attached the
backtrace as a file.
His reaction when reading it: "That's, umm, not good."
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