https://bugs.kde.org/show_bug.cgi?id=389144
Bug ID: 389144
Summary: KDisplayManager logind instantly kills all user
sessions on shutdown
Product: ksmserver
Version: 5.11.95
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: general
Assignee: l.lu...@kde.org
Reporter: max.harma...@web.de
Target Milestone: ---
There is a severe problem with session handling on systems with logind.
This is reproducible on current kde-neon.
Whenever a user on logout request a reboot or poweroff the KSMServer will use
"KDisplayManager" (plasma-workspace/libkworkspace) to handle the request. On
most current linux systems this will be handed to logind (not the display
manager as the name might suggest) via DBus to "org.freedesktop.login1" by
calling one of "org.freedesktop.login1.Manager.Reboot()" or
"org.freedesktop.login1.Manager.PowerOff()".
logind will then kill *all* user sessions instantly. In particular the current
running user session will not cleanly shutdown.
This can be illustrated by adding to "/usr/bin/startkade" after the comment
"#Anything after here is logout/shutdown":
echo "Checkpoint" >> ~/startkde.log
This will be executed on simple logout, but not on a shutdown. In particular
any following code is dead code on shutdown.
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