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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Modify actions when battery is critically low?

I am running Ubuntu (not Xubuntu) and am using Xfce4 on my laptop. When my laptop battery is critically low, Ubuntu/Xfce4 performs some action (perhaps hibernate?) which causes my laptop to shut down. ...
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2answers
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When Shutting down or hibernating it just goes to the login screen [duplicate]

Possible Duplicate: I can’t shut down nor reboot without console Title says all. When I choose shut down or hibernate if my computer has been on a while, it just goes to the log-in screen. ...
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3answers
1k views

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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3answers
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How to enable hibernate on Ubuntu 13.10? [duplicate]

Something I usually do after installing Ubuntu is reactivate the hibernation function. I find it quite useful to function for the more energy concious. Typically, I'd complete the instructions in ...
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1answer
2k views

Swap encryption and hibernating

I run Ubuntu 12.04 on my laptop, with an encrypted home folder + swap partition. Before I had this encrypted setup, I used to have my hibernation enabled. I found this documentation on how to enable ...
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2answers
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How to disable password on Hibernate/Suspend?

I have installed Ubuntu 11.10 and on suspend/hibernate I am asked for password. I couldn't find apps > gnome-power-manager > lock in gconf-editor. What's the solution for this?
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2answers
684 views

How to re-enable hibernate option?

I had enabled "hibernate" option in my Ubuntu 12.10 few months back by adding the following lines to /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla: [Re-enable hibernate by ...
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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. ...
4
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1answer
253 views

How to save machine state without hibernating?

I wonder is it possible to capture the state of the machine without actually hibernating? The goal would be to make a "backup state", so if the system crashes, one could boot directly to a session ...
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3answers
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What is the difference between pm-suspend and pm-suspend-hybrid?

I read the man pages of both of them but I couldn't figure out the difference. man page says: Hybrid-suspend is the process where the system does everything it needs to hibernate, ...
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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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4answers
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How do I add more swap easily so that I can hibernate my laptop?

I installed Natty on my laptop with default options. I guess it created a swap partition equal to the size of my RAM. Every time I try to hibernate I get the "not enough swap" message, which is ...
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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] ...
3
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2answers
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How do I create a swap partition for hibernation?

While installing Ubuntu 11.10 a months ago I had not allotted any swap space, I now came to know that there would be no Hibernate option without Swap space. Is it possible to do it Now?, What if the ...
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3answers
637 views

laptop fails to suspend or hibernate (wakes up after 2-5 seconds without user interaction)

This all started happening after upgrading to 13.10, now I am running 14.04 and still have the same issue. When I close the lid or I do sudo pm-suspend the laptop goes into suspend for 2-5 seconds ...
3
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1answer
2k views

Can't hibernate on lid close 13.10 [duplicate]

I've recently upgraded to 13.10 and I can't find the option to hibernate. My computer doesn't play ball when I suspend it (screen doesn't reactivate upon lifting the lid) so in 13.04 I always used ...
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2answers
98 views

Cannot hibernate twice

I am running Ubuntu 13.10, and I manage to suspend to RAM without any incidents. Suspending to disk (hibernate), however, does not work the second time I do it (after a reboot). I tried to hibernate ...
3
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2answers
875 views

xfce4-session segfault, suspend and hibernate not working

I am experiencing some critical bugs during a critical time (finals week) and could really appreciate some life-saving help. I have posted about it at https://bugzilla.xfce.org/show_bug.cgi?id=10068, ...
3
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1answer
224 views

Will the “hibernate” feature ever be restored?

From now on, will there never be a "Hibernate" feature in Ubuntu again (since it was known to contribute to data loss), or is the removal of the "hibernate" option only a temporary measure until the ...
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4answers
3k views

“Not enough free swap” error when trying to hibernate

I recently upgraded from 11.04 to 11.10, but I get "Not enough free swap" error when trying to put my laptop to hibernation. I have 2GB of physical memory and 3GB of swap. Besides, the hibernate ...
3
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2answers
2k views

Dual boot and sleep/hibernate issues?

I set up a dual boot before, but I've never thought about how or if putting a laptop to sleep or hibernate will affect grub or the OSes. For example, if I dual boot windows 7 and ubuntu, then use ...
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1answer
240 views

Hibernating my Ubuntu 10.10 takes a bit too long

It takes about 5 minutes most of the time to hibernate my Ubuntu 10.10. This is unacceptable! Is there a work-around I could use to improve the situation? Thank you.
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1answer
567 views

Computer won't wake from hibernate

So I have a pretty dumb problem...I accidentaly pressed Hibernate while trying to Restart...since then my computer wont boot into Ubuntu anymore (through normal mode or single user mode - rescue mode ...
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2answers
512 views

No splash screen on hibernate

Hibernate is working fine. A bit slow when resuming from a hibernate but I can bear with it just so that I have all open applications on the desktop as I left it. Then again the "slowness" might be ...
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2answers
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Is there a way to suspend/sleep via bash?

I have to get nine 46" LCD monitors (running Windows) to suspend/sleep at 8pm and wake at 8am every morning. It's been a bit of a mess trying to get the commands working, including the privileges. ...
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1answer
428 views

Why is hibernation performance so poor?

Why is the hibernation performance (i.e the time taken to hibernate and wake up) on my laptop so poor with Ubuntu? This isn't a criticism per se but I'd be interested to know if there was a particular ...
3
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1answer
651 views

Hibernate on Dell Inspiron 1525

I'm ahving a Dell Inspiron 1525. I installed there a stock Ubuntu 10. However I can see no "hibernate" item in the shutdown menu. Is ACPI supported on 1525? If it is, how can I make hibernate work ...
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4answers
3k views

Cannot shutdown my Sony Vaio

I did a fresh install of Ubuntu 12.04 (dual boot with Windows 7) on my sony Vaio. After the fresh install everything was working fine. then I was informed that new driver were available for my ATI ...
3
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2answers
947 views

How do you hibernate/suspend Ubuntu like Windows or both at the same time?

I'm using an ASUS laptop with Windows 7, and I just installed Ubuntu alongside Windows yesterday, using the no-risk option. I noticed, though, that I can't hibernate Ubuntu the way I did with Windows ...
3
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1answer
983 views

How do I disable the lock screen when resuming from suspend or hibernate without losing ability to lock screen manually?

I would like to bypass the password prompt after resuming from suspend or hibernate in Ubuntu 11.10. I tried: gsettings set org.gnome.desktop.lockdown disable-lock-screen 'true' But doing so I ...
3
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1answer
13k views

How do I fix hibernate?

Suspend and Hibernate was not working in my Ubuntu 11.04 and I followed these instructions to fix the issue by installing uswsusp. The commands s2ram and s2disk were working fine for me and hence I ...
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1answer
479 views

So what is the reason behind the claim that you need at least as much swap area as main memory for hibernate to work?

I saw a lot of recommendations claiming that for hibernation the swap partition/file must be at least as large as the main memory. This makes no sense to me. Lets assume I have 8 GB of main memory and ...
3
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1answer
454 views

removed ati proprietary driver, tried to hibernate, destroyed ubuntu installation. help?

I totally ruined my Ubuntu 10.10 Desktop x64 installation today. I've never been able to hibernate or suspend (not with my laptop, server or htpc), not even through this guide. So I read a post here ...
3
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1answer
333 views

How to make hibernation work on Shuttle SX58H7 (Intel X58 Express)?

I have a Shuttle SX58H7 computer (Intel X58 Express board, AMI BIOS version 08.00.16) with Intel Core i7 950 and GeForce GT 210 Silent (nvidia proprietary driver). Under Karmic (64-bit), hibernation ...
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3answers
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Automatic shutdown / hibernation after x minutes in suspend?

I have an embedded battery powered device running Ubuntu and want to reduce power consumption. The idea is that if a user does not use a device for ca. 30 min. then the device will automatically ...
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2answers
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What are the differences between sleep, standby, suspend and hibernate in Ubuntu?

I'm really confused about these keywords used in Ubuntu. I've a little knowledge about suspend and hibernate in Ubuntu and how does it work. But I've no idea about what are the differences between ...
3
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2answers
2k views

Ubuntu not is hibernating when lid is closed

I use Ubuntu 12.04 in my laptop. I'm trying to configure to hibernate when lid is closed. However, not is working. I did the following steps to solve the problem: I enable in ...
3
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1answer
787 views

Can't restore from Hibernate (sudo pm-hibernate) on new Dell XPS 15z laptop in 12.04 LTS

I have a new Dell XPS 15z laptop and did a fresh install of 12.04 LTS on it. I've looked at several guides such as "How to enable hibernation in 12.04?" and "Dell XPS 15 L502X & Ubuntu 12.04 ...
3
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2answers
1k views

Hibernation/suspend - nvidia/nouveau - Tried everything, still not working, any idea?

Having tested all the solutions that I could find on the net, I try my luck here: I use Precise Pangolin, version 32bit kernel with pae Symptoms: Suspend goes well, but on resume, my screens ...
3
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1answer
1k views

How can I make my PC hibernate when idle?

My Ubuntu 11.10 desktop has an option to suspend when inactive (under System Settings > Power) but no option to hibernate. How can I hibernate it after a period of inactivity?
3
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1answer
210 views

Is there a way to set laptop to hibernate after being suspended for a while? (like Windows can)

With Windows 7, my laptop was set to go to sleep after X minutes on battery, then hibernate after sleeping for X minutes. I can't seem to find a way to do that with Ubuntu Natty so I always end up ...
3
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1answer
588 views

Resume after hibernate: monitor signal out-of-range

I normally shut down the family Ubuntu 11.04 pc rather than hibernate, but my daughter didn't realise that and put the machine into hiberate. Now when we turn it back on, I see the POST output from ...
3
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1answer
378 views

How do I hibernate with s2disk from the menu?

I can hibernate my system with command "sudo s2disk". Now I'd like to call this from gnome menu with clicking on "Hibernate". what I need to do?
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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 ...
3
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1answer
935 views

Blank screen after suspend/hibernate on 14.04

I did a fresh install of ubuntu 14.04. Everything works great except after hibernate/suspend I am getting a black screen. I can use Alt+Ctr+F1 then Ctrl+Alt+Del to restart and the screen comes back ...
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1answer
163 views

What will be the power backend for (K)Ubuntu 13.10?

I have Kubuntu 13.04 installed. KDE uses powerdevil to manage hibernate/sleep, which in turns seems to use pm-utils backend. pm-utils is unmaintained, and broken at this point1. For example, I had to ...
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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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0answers
479 views

How much swap do I really need? [duplicate]

Possible Duplicate: I have 16GB RAM. Do I need 32GB swap? I have a 4 GB RAM and 300 GB HDD with 8 GB of it as a Swap partition. I'm running 12.04 with hibernate enabled. How much swap do I ...
3
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0answers
374 views

Hibernation stalls [closed]

To start, I installed Ubuntu 11.10, I disliked Unity and then installed the Xubuntu session on top of it. I only say this to make you understand that I have this problem in both sessions. Whenever I ...
3
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0answers
466 views

Computer hibernates when unplugged from powersource [closed]

My MSI notebook shuts down everytime I unplug it from the power supply. Even when the battery is full, this is quite annoying. Anyone seen this before or have a fix for it ?