*** This bug is a duplicate of bug 1176686 *** https://bugs.launchpad.net/bugs/1176686
Here is some information from a run of powerbtn.sh (without the forced shutdown, of course): Environment: UPSTART_INSTANCE= UPSTART_JOB=acpid TERM=linux PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin RUNLEVEL=2 PREVLEVEL=N UPSTART_EVENTS=runlevel PWD=/ id: uid=0(root) gid=0(root) groups=0(root) Shell trace: + [ -r /usr/share/acpi-support/power-funcs ] + . /usr/share/acpi-support/power-funcs + umask 022 + PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin:/usr/bin/X11 + POWERSTATE=/var/lib/acpi-support/powerstate + LAPTOP_MODE=/usr/sbin/laptop_mode + HDPARM=/sbin/hdparm -q + LIDSTATE=/var/lib/acpi-support/lidstate + test -f /var/lock/acpisleep + [ -r /usr/share/acpi-support/power-funcs ] + getXconsole + local displaynum + ck-list-sessions + awk BEGIN { active = 0; } /^Session/ { active = 0; } /active = TRUE/ { active = 1; } active && /x11-display = ':.+'/ { gsub(/':*/,"",$3); print $3; exit (0); } + displaynum=0 + [ -n 0 ] + export DISPLAY=:0 + getXuser + pinky -fw + awk { if ($2 == ":0" || $(NF) == ":0" ) { print $1; exit; } } + user=lupe + [ xlupe = x ] + [ xlupe != x ] + getent passwd lupe + cut -d: -f6 + userhome=/home/lupe + export XAUTHORITY=/home/lupe/.Xauthority + export XUSER=lupe + PMS=gnome-settings-daemon kpowersave xfce4-power-manager + PMS=gnome-settings-daemon kpowersave xfce4-power-manager guidance-power-manager.py dalston-power-applet + pidof x gnome-settings-daemon kpowersave xfce4-power-manager guidance-power-manager.py dalston-power-applet + test lupe != + pidof dcopserver + test lupe != + test -x /usr/bin/qdbus + pgrep -n -u lupe kded4 + kded4pid=3186 + test 3186 != + su - lupe -c grep -z DBUS_SESSION_BUS_ADDRESS /proc/3186/environ + dbusaddr=DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-BemSTMbtIA,guid=c5e7571096c4f63756b9815c518c959d + test DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-BemSTMbtIA,guid=c5e7571096c4f63756b9815c518c959d != + su - lupe -c export DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-BemSTMbtIA,guid=c5e7571096c4f63756b9815c518c959d; qdbus org.kde.kded + grep -q powerdevil qdbus: could not find a Qt installation of '' And: # su - lupe -c "which qdbus" /usr/bin/qdbus # ls -l /usr/bin/qdbus lrwxrwxrwx 1 root root 9 Feb 12 16:38 /usr/bin/qdbus -> qtchooser # ls -l /usr/bin/qtchooser -rwxr-xr-x 1 root root 23072 Feb 12 16:38 /usr/bin/qtchooser # file /usr/bin/qtchooser /usr/bin/qtchooser: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0x79b3acf468ac83ae183de0958540ef99c3d5457f, stripped So it has nothing to do with qdbus:i386. The problem is that the script picks up qtchooser. The right qdbus executable is here: $ ls -l /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus -rwxr-xr-x 1 root root 64928 Mar 27 02:09 /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus Replacing qdbus with /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus in the script makes it work: + su - lupe -c export DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-BemSTMbtIA,guid=c5e7571096c4f63756b9815c518c959d; /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus org.kde.kded + grep -q powerdevil + exit So whoever dreamed up this mess must have smoked something really bad ... -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kde-workspace in Ubuntu. https://bugs.launchpad.net/bugs/1124149 Title: Kubuntu 13.04 power button always turn off system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kde-workspace/+bug/1124149/+subscriptions -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs