https://bugs.kde.org/show_bug.cgi?id=527208
Bug ID: 527208
Summary: Plasma 6.8.0 regression: plasmashell fails to
terminate during shutdown, 40-second systemd timeout
Classification: Plasma
Product: plasmashell
Version First 6.8.0
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Session Management
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
DESCRIPTION
After updating KDE Plasma from the previous version to Plasma 6.8.0 on CachyOS,
system shutdown and reboot are delayed by approximately 40 seconds because
`plasmashell` does not terminate cleanly during session shutdown.
The systemd user service `plasma-plasmashell.service` enters the `stop-sigterm`
state but does not exit within its 40-second timeout. Systemd subsequently
kills the process with SIGKILL and reports the service as failed with result
`timeout`.
This issue did not occur before the Plasma 6.8.0 update.
STEPS TO REPRODUCE
1. Update CachyOS to KDE Plasma 6.8.0.
2. Log in to a KDE Plasma desktop session.
3. Initiate a system shutdown or reboot.
OBSERVED RESULT
System shutdown or reboot is delayed by approximately 40 seconds. The systemd
user service plasma-plasmashell.service fails to stop within its 40-second
timeout. Systemd then kills plasmashell with SIGKILL and reports a timeout.
EXPECTED RESULT
plasmashell should terminate cleanly during shutdown or reboot, without the
additional 40-second delay.
SOFTWARE/OS VERSIONS
Operating System (available in the Info Center app, or by running `kinfo` in a
terminal window): CachyOS Linux
KDE Plasma Version: KDE Plasma 6.8.0
KDE Frameworks Version: 6.31.0
Qt Version: 6.12.0
ADDITIONAL INFORMATION
The issue has been reproduced on multiple CachyOS systems with different
hardware, including an Intel laptop and a Dell Vostro desktop.
Journal logs confirm that `plasmashell` is killed by systemd after the stop
timeout. NetworkManager dispatcher activation errors also appear around the
same time, but their relationship to the original delay has not been
established.
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