https://bugs.kde.org/show_bug.cgi?id=401272
Bug ID: 401272
Summary: Plasmashell freezes randomly
Product: plasmashell
Version: 5.13.5
Platform: RedHat RPMs
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Panel
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: 1.0
SUMMARY
At random intervals the panel freezes (widgets are inactive, mousing has no
effect etc.). It may unfreeze spontaneously after several minutes, but has
sometimes gone on for hours and required a reboot.
STEPS TO REPRODUCE
1. Unknown
2.
3.
OBSERVED RESULT
Frozen panel.
EXPECTED RESULT
Working panel
SOFTWARE/OS VERSIONS
Windows:
MacOS:
Linux/KDE Plasma: Fedora 29, KDE 5.13.5
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
The freeze doesn't seem to be related to any action on my part. Several times
it has happened when I've left the system running overnight, and the clock
widget shows a time on the small hours (but not always the same time) meaning
it has frozen for up to 6 hours or so. Other times it runs fine all night but
freezes while I'm using it. In the latter case it usually wakes up itself after
10 or 15 minutes, but may take longer. If this happens there will be a flurry
of window flashing as a queue of mouse events is drained.
I've tried attaching gdb to the plasmashell process but gdb then hangs. The
same happens with strace. A ps run shows the process is in '-Dl' WCHAN state. I
can kill it with a -9 and restart it but the new plasmashell is still frozen.
I considered it might be related to NFS (I have a local NAS), but that doesn't
seem to be it as it happens even when the NAS is disconnected.
See discussion at
https://lists.fedoraproject.org/archives/list/[email protected]/thread/RKCZ4RWNJHEKUMOAZJBLIOMRDLJ7XQMD/
This all started happening with Fedora 29.
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