https://bugs.kde.org/show_bug.cgi?id=420917
Bug ID: 420917
Summary: Looped bash scripts block plasma_session startup
Product: systemsettings
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_autostart
Assignee: mon...@kde.org
Reporter: alts...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: ---
Looped bash scripts blocks plasma_session startup
SUMMARY
I have few looped bash scripts for maintenance tasks (resume paused printers,
mute sound after headphones disconnect). So I placed one of them to
~/.config/plasma-workspace/env/
During next login session didn't start leaving me with a mouse cursor on a
black background.
STEPS TO REPRODUCE
1. On ~/.config/plasma-workspace/env/ create file test.sh with content
while true; do
:
done
2. Log out from session
3. Try to login
OBSERVED RESULT
Black background with a mouse cursor. I switched to different tty and htop
showed that process
/bin/sh /usr/lib/x86_64-linux-gnu/libexec/plasma-sourceenv.sh
/home/$USER/.config/plasma-workspace/env/test.sh
loads 100% percent of 1 CPU
After I killed it plasma_session and other services started to load.
Solution for my problem was to push that script into the background (adding "&"
after "done")
done &
EXPECTED RESULT
Looped script doesn't block plasma_session startup
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 20.04
KDE Plasma Version: 5.18.4
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
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