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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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 ...
3
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1answer
2k views

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] ...
3
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2answers
1k views

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 ...
3
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3answers
1k views

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 ...
3
votes
6answers
5k views

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 ...
3
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0answers
365 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, ...
2
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3answers
569 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 ...
1
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1answer
639 views

Encrypted home partition + encrypted swap + working hibernate

I would like to set up disk encryption on Ubuntu 13.10 such that I have plain / encrypted /home partition encrypted swap partition working hibernation and resume As these requirements suggest, ...
1
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1answer
107 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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0answers
111 views

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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0answers
73 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 ...
1
vote
1answer
758 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 ...
1
vote
2answers
2k views

Hibernate on power button - login screen

Every once in a while my SO-User (significant other user) leaves the computer but doesn't hibernate it. I want to push the power button to save some energy, but as I'm not in her session, the computer ...
1
vote
2answers
646 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 ...
1
vote
1answer
1k views

Fail to wake up after suspend, buggy after hibernate [closed]

I know there are a lot of question about this, but I couldn't find any answer. I have a custom desktop PC in which I can send the system to sleep / hibernate without apparently any problems. ...
1
vote
1answer
198 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. ...
0
votes
1answer
473 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 ...
0
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0answers
411 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 ...
0
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0answers
190 views

rtcwake not resume after suspend to disk

I've found out rtcwake command very useful to boot up my laptop at specific time. Unfortunately it doesn't work properly while system is hibernated. I use hybrid suspend, so when it's suspended, it ...
0
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1answer
525 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 ...