Public bug reported:
Binary package hint: gnome-power-manager
This is more of a "wishlist" item at this point, but I am adding it as a
bug because it's inconsistent with the UI, inconsistent within itself
and I would consider VERY annoying to laptop users. I know it drives me
CRAZY because hibernation is painfully slow (several minutes) on my
laptops.
Basically the problem is simple, when any laptop is on AC the system
idle timeout invokes suspend to RAM, while on battery the system idle
timeout invokes hibernation.
I am expecting suspend to RAM (sleep) to be invoked for BOTH instances
as described within the gnome_power_manager GUI To quote from both the
AC and Battery options, they have identical wording; "Put computer to
sleep when inactive for:". This implies that the action taken would be
the same (sleep aka suspend to RAM) whether on AC or or battery power.
It is not and this was a cause of some serious confusion until I figured
out that my computer WASN'T going into suspend, but was instead
hibernating.
The fix:
It is literally one setting that can be changed via "gconf-editor > apps >
gnome-power-manager > actions" and changing the option "sleep_type_battery"
from "hibernate" to "suspend".
If, for some reason, this is desired behavior, then please consider this
bug report as a complaint about the GUI wording inconsistency that leads
to user confusion and thus unexpected system behavior.
On a personal note, I hope it's not desired behavior on part of the
developers as my experience has shown that hibernate is more often
broken on laptops than suspend to RAM, especially on my T42 Thinkpad.
Basic information regarding the packages and release as per standard:
$ lsb_release -rd
Description: Ubuntu maverick (development branch)
Release: 10.10
$ apt-cache policy gnome-power-manager
gnome-power-manager:
Installed: 2.32.0-0ubuntu1
Candidate: 2.32.0-0ubuntu1
Version table:
*** 2.32.0-0ubuntu1 0
500 http://us.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages
100 /var/lib/dpkg/status
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
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[Maverick] System hibernates when suspend is implied on battery
https://bugs.launchpad.net/bugs/650683
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