My Aspire 1810TZ is running Kubuntu 13.10 on an encrypted drive. I have enabled hibernation in file


[Re-enable hibernate by default in upower]

[Re-enable hibernate by default in logind]

I CAN hibernate and resume with sudo pm-hibernate and by using the application launcher ( "Leave - Hibernate" )

I set "Energy Saving - Button Events Handling" to "Sleep when laptop lid closed" and to "Hibernate when power button pressed" (for AC power, battery and low battery mode each). Sleep mode works fine.

When I press the power button the system shuts down / hibernates. But when switching it on again it just boots normally and has to start the open applications again.

So my question: What is the difference between the event "when power button pressed" and sudo pm-hibernate?

1 Answer 1


Found the answer myself. It's a bug. More info here:


What worked for me was to edit powerbutton.sh

sudo nano /etc/acpi/powerbtn.sh

and change the last line

/sbin/shutdown -h now "Power button pressed"


:: /sbin/shutdown -h now "Power button pressed"
  • THIS WORKS!!!!! I followed the link to the bug report and forgot about this answer, and ending up trying a bunch of other suggestions I found there (changing symlinks, installing different packer versions, etc) before finally stumbling back across this answer. (Hence the all caps, not-entirely-sane-shoutpole-use comment; Redirect future me-oids to pay more attention to this answer first. ^^;; )
    – Owen_AR
    Jan 31, 2014 at 9:23

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