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I have never had a problem with Ubuntu and hibernating my laptop (not a netbook though)<BR>
First version of Ubuntu on my laptop was probably 9.04 or maybe 9.10<BR>
<BR>
I think it is currently running 10.10 or maybe 11.04... as I am dreading the catastrophic desktop change. <BR>
<BR>
On Thu, 2012-05-10 at 03:47 -0500, Mike Miller wrote:
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Just thought I should resend with the right subject line...
On Thu, 10 May 2012, Mike Miller wrote:
> (1) Hibernate. Just did it, it works, it used to die and require
> reboot. Suspend always worked and still does.
There was an additional annoyance: 12.04 doesn't have hibernate available
in menus by default. To run the hibernate process I had to launch
pm-hibernate from the command line like so:
sudo pm-hibernate
I did that, it worked and everything came back on restart, but I didn't
have to enter a password.
I want the usual shutdown/suspend menus to include "hibernate" as an
option, so I googled a bit and found this:
<A HREF="http://askubuntu.com/questions/94754/how-to-enable-hibernation-in-12-04">http://askubuntu.com/questions/94754/how-to-enable-hibernation-in-12-04</A>
The instruction there is to place this text...
[Re-enable hibernate by default]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes
...into this file:
/etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla
I did that, restarted, the menus then had "hibernate" as an option (both
the menu in the upper right of the Unity desktop and the one that appers
when I press the power button).
I tested the hibernate menu option. It worked. When Ubuntu came back it
made me log in to get back to my open windows, which is the correct
behavior, I would say, but I guess pm-hibernate doesn't do that (I tried
it again and the behavior was the same).
Hibernate is a killer feature with this laptop because it his great
battery life. It can suspend for days, but it can hibernate a lot longer.
It comes back pretty quickly from hibernation, so I'm setting it to
hibernate when I close the lid:
(1) click the battery icon on the upper bar
(2) choose power settings
(3) set them how you want them
For me, I chose "Hibernate" both for "When power is critically low" and
"When the lid is closed." I also tested it by closing the lid, it
hibernated and came back up (with password screen).
So far, so good.
Mike
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