I can confirm the bug in Kubuntu 13.10, the attached patch works for me. (The trouble seems to be that /usr/bin/qdbus links to /usr/bin/qtchooser which does not seem to work as expected.)
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1201180 Title: Pressing power button turns off the PC ignoring the presence of another session manager Status in “gnome-session” package in Ubuntu: Fix Released Status in “kde-workspace” package in Ubuntu: Triaged Status in “systemd” package in Ubuntu: Fix Released Status in “systemd-shim” package in Ubuntu: Invalid Bug description: In saucy the PC powers down as soon as I press the power button, it seems that systemd is calling "poweroff", but I'm not sure if it's doing that in response of some other event (i.e. as callback of a dbus call): root 4998 0.0 0.0 177932 2104 ? Sl 20:41 0:00 /usr/lib/x86_64-linux-gnu/systemd-shim root 5012 0.0 0.0 4440 624 ? S 20:41 0:00 \_ sh -c /sbin/poweroff root 5013 0.0 0.0 4440 628 ? S 20:41 0:00 \_ /bin/sh /sbin/shutdown -h -P now In any case the caller or systemd itself should be aware that there's a session-manager running and that it shouldn't actually directly power off the system then. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1201180/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp