I just upgraded to Kubuntu 13.04 and got the same bug.
Commenting out the last line from /etc/acpi/powerbtn.sh worked for me: #/sbin/shutdown -h now "Power button pressed"
Now my laptop (Samsung RF511) goes to sleep as desired, when power button is pressed.
Thanks!
I just upgraded to Kubuntu 13.04 and got the same bug.
Commenting out the last line from /etc/acpi/ powerbtn. sh worked for me:
#/sbin/shutdown -h now "Power button pressed"
Now my laptop (Samsung RF511) goes to sleep as desired, when power button is pressed.
Thanks!