Hibernating enables faster bootup times coupled with the power savings of a complete power-off. However, many computers do not support Linux hibernation and so it is not enabled by default in Ubuntu 12.04 and 12.10.

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Unable to resume from hibernation on boot- restarts instead of resuming

After fiddling around a lot with Rhythmbox and Banshee one day, I had to xkill them and logout a few times, and I think I remember seeing some error message asking for the keyring. I entered my ...
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2answers
2k views

12.04 rebooting after suspend to disk

I've got a problem with suspend to disk in ubuntu 12.04 (it worked perfectly in 11.10). I've installed the pm-utils package, but whenever I issue: sudo pm-hibernate it appears the screen that ...
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4answers
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How do I lock the screen after resuming from hibernation?

I've been able to successfully hibernate and resume my Ubuntu 12.04 Desktop PC using procedure that I've documented in this answer. However, I now have a problem that whenever the PC resumes, it does ...
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2answers
494 views

Swap partition is not recognized

I think this problem might be related to this one: Failing to recover from hibernate Basically, as soon as ive installed ubuntu, using the automatic partitioning, if i run gparted and look at my ...
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1answer
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way to disable Hibernate from within gconf-editor so button disappears?

There used to be a way to disable Hibernate from gconf-editor: apps -> gnome-power-manager -> can_hibernate. unticking "can_hibernate" would even remove the hibernate button from the shutdown menu. ...
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3answers
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Not able to suspend or hibernate

My Ubuntu 10.10 on my laptop Lenovo T400 is not able to suspend or hibernate. Whenever I click Suspend or Hibernate, the moon LED on the bottom of the lid flashes a few seconds, the screen ...
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1answer
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Enable hibernate in Ubuntu 13.04 - editing hibernate.pkla doesn't work [duplicate]

How do I enable the hibernate option. Editing hibernate.pkla doesn't work. I did the following - $ sudo gedit /var/lib/polkit-1/localauthority/50-local.d/hibernate.pkla [Enable Hibernate] ...
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2answers
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Without having swap partition how to hibernate using only “SWAP FILE”

I found answer near to this question but not exact answer in Ubuntu-forums.I found answer to 1. How to create swap partition after installing Ubuntu. 2. How to create or add swap file to existing ...
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6answers
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Fix hibernate on Thinkpad X60 with 12.04 Precise Pangolin

I own a ThinkPad X60, hibernate used to work on 10.04 Lucid Lynx, but no longer works correctly on 12.04. I am aware of how to enable hibernate in Power Manager. The problem here is, in the default ...
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1answer
2k views

Low-battery-power action without gnome-power-manager

I'm running the openbox WM and would like to avoid loading the gnome stack. One of the lingering issues I have to resolve is avoiding abrupt system crashes due to depleted battery power. Is there a ...
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0answers
366 views

Screen/Power management during media use [duplicate]

Possible Duplicate: How do I stop the screensaver from turning on when I watching online videos? Is there a way to configure Ubuntu so it does not activate the screen-saver, sleep-mode, ...
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1answer
135 views

How do I block GRUB from appearing when resuming from hibernation?

When my computer boots up after being shut down, GRUB has a timeout. I want the same behavior after waking up from hibernation. Any ideas how to accomplish this? EDIT: here's a clarification of the ...
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3answers
620 views

I can't get suspend, hibernate and shutdown to work in Ubuntu 12.04

I recently built a computer with these specs: Asus Motherboard, Intel i3 3.3 GHz dual processor, 8 GB of RAM. I installed 12.04 on a brand new hard drive. I partitioned the hard drive between root, ...
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2answers
1k views

Hibernation does not work in 11.04, used to work in 10.10, but suspend/resume works fine on a Dell Inspiron N5010

I upgraded to 11.04 on the day for its release and I am unable to hibernate my laptop, When I click on Hibernate, the screen just goes blank and cursor starts blinking in the top left corner and ...
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Ubuntu wakes immediately after suspend with Nouveau on GeForce GT 525M [closed]

I've seen a couple similar questions (1, 2, 3, 4, 5), but neither seems to address my case. When I suspend, after a second, I see a terminal with the word "Nouveau" (implying Nvidia problems?), and ...
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1answer
52 views

Ubuntu 12.04 comes out of hibernate/standby randomly on Dell XPS 13

I have an ubuntu 12.04 laptop and it comes out of hibernate or standby randomly. For example, yesterday I selected hibernate, closed the lid and put it in my computer bag. 24 hours later, it is ...
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1answer
173 views

Swap not available on System Monitor

I had a swap partition of 1GB (RAM 1GB, Ubuntu 12.04 lts). Now swap is not shown on System Monitor neither can I hibernate my pc (sudo pm-hibernate). blkid output: /dev/sda1: UUID="B8B4FBB1B4FB706C" ...
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Hibernation still not available [duplicate]

tried the workaround posted here How to enable hibernation? but not even after rebooting, updating grub or kilall unity-panel-service commands do reset unity but no hibernation is available on "start" ...
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1answer
776 views

How to make Lenovo Ideapad S10-3s netbook hibernate?

My Lenovo Ideapad S10-3s, which is using Ubuntu 12.04 LTS, does not hibernate. The error message shown is PM: Not enough free swap, although my swap is around 3GB and my RAM only around 1GB. How can ...
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2answers
685 views

Lenovo S12 fails to hibernate, won't turn off and won't restore session, what to do?

My Lenovo S12 (Intel Atom) running 11.10 Unity desktop will not hibernate. If I use the Shutdown/Hibernate option, it will go to a blank screen with an flashing underscore cursor in the upper left ...
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1answer
201 views

Can I log how long resume (un-hibernate) takes?

This question has been spun off from my question about hibernate being slow. I know I can run a script when I resume the computer by putting it in /etc/acpi/resume.d, but that will only run it once. ...
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1answer
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Hibernation/swap partition

I'm trying to enable hibernation on my laptop, a Dell XPS-13 (with a 256 GB SSD mounted as an encrypted volume). I was following the official documentation here and I attempted the "hibernation test" ...
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1answer
572 views

Kubuntu Energy Saving event on power button pressed not working

My Aspire 1810TZ is running Kubuntu 13.10 on an encrypted drive. I have enabled hibernation in file /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla [Re-enable hibernate by ...
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2answers
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How do I install Ubuntu and Windows 7 on different hard drives, so that Win 7 can still hibernate?

I currently hard two hard drives, the first-booting drive with grub/Ubuntu (12.04) and the second drive with Win 7. However, Win 7 doesn't like being the second drive (it expects to be the first) and ...
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601 views

Suspending does not work. Ubuntu 12.04

I had set the swap file at 0 size, at installation, so I cannot hibernate. However,my RAM should do for the "suspend" function(I think).But whenever I suspend my system, it just starts from the very ...
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0answers
75 views

Change Swap Amount to Hibernate in WUBI [duplicate]

Possible Duplicate: How do I enable hibernation on Wubi? I would like to hibernate when I get critical battery, I could do this in Windows, but the option is disabled in Ubuntu. I ...
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1answer
560 views

Graphics cards not waking from sleep

I'm fairly new to Ubuntu and Unix based systems as a whole. So far, my only concern is that my graphics cards are not waking from sleep (hibernate?) mode. When I move my mouse or hit a key on my ...