Questions related to Suspend Mode, which is a special low-power mode often used on laptops that preserves the contents of RAM while using less power than normal. Questions related to suspending to disk should use the [hibernate] tag.

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How to fix Error: Ubuntu can't recover from suspension

I have a problem with my computer: Ubuntu can't recover from suspension I have performed some operations indicated in posts on the internet that fix the problem for a while but it arises again ...
0
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1answer
968 views

Timed Shutdown - shutdown after 30 minutes [duplicate]

I am running Xubuntu 13.04, I got in the habbit of closing my Acer Netbook and forgetting about it for a week+. I open it up to find it has still been running. How do I set it to shutdown after 15 ...
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2answers
825 views

Intel Centrino iwlwifi driver problem: wifi disconnects after suspend/hibernate, persistent problem since 14.04

This is a real shame and true frustration, I've long been Ubuntu advocate but now after hours and hours of wrestling with this bug I'm about to go back to the windows realm (or maybe another linux ...
10
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3answers
18k views

Suspend and wake PC at certain time

I want my PC to sleep at 04:58 and wake at 05:15, every day. How do I do that?
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2answers
10k views

how to resume download in wget which is integrated with firefox via flashgot

I use wget as a downloader. It is an excellent, outstanding application. I integrated it with Firefox using Flashgot. How can I resume a download which was stopped by a CTRL+C key press or a shutdown ...
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5answers
11k views

Network connection error after suspend Ubuntu 14.04 [duplicate]

I'm using ubuntu 14.04 and a DSL connection for internet. However, whenever I suspend and resume my session, I'm no longer able to connect to the internet. Could someone help me fix this?
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3answers
5k views

Ubuntu 13.10 suspend crashes KDE / black screen on wake

Setup I have a fresh install of Ubuntu 13.10, with KDE (installed via Ubuntu server disk and sudo apt-get install kubuntu-desktop). Problem Whenever I suspend the computer while in KDE (either via ...
13
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3answers
15k views

Ubuntu 14.04 resume error after suspend

I recently updated my Ubuntu from 12.04 to 14.04 in my dual boot (windows 7) Toshiba Satellite Laptop. After the update, whenever the laptop suspends for sometime, it fails to resume. When I try to ...
10
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2answers
993 views

Automatically suspend if no one is logged in for 30 minutes

For a number of stationary machines here at the university, I would like to have a setup where the machines suspend themselves to save power 30 minutes after the last user logged out. How can that be ...
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1answer
1k views

What is the most “Ubuntu” way of preventing certain users from shutting down, suspending etc?

On a traditional Unix system, non-root users cannot do this. What is it that gives users this ability in modern desktop environments and how would I go about disabling this on a per-user or per-group ...
12
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3answers
1k views

Suspend to RAM and encrypted partitions

Normally I don't shutdown my notebook any more in favour of using suspend-to-RAM. The downside is that my encrypted home partition is completely accessible after resume without entering the ...
7
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4answers
2k views

Suspend when critically low power 11.10

Is there a way to suspend when Ubuntu is at critically low power. The only option in Ubuntu 11.10 power setting is to shutdown or hibernate. I run my battery all the way down till it suspends then i ...
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2answers
3k views

Wifi doesn't work after hibernate but DOES work after suspend

I run Ubuntu 13.10 (though on 13.04 situation was the same) on Thinkpad E125 laptop I have very common problem - there were no WiFi after suspend. I've googled the problem and find solution that ...
5
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5answers
4k views

Mouse movement wakes computer from suspend how to disable this?

It's really annoying as I have to unplug the mouse after a suspend to ensure that an occasional bump doesn't wake up the system. I haven't found anything in system settings which could disable this ...
5
votes
1answer
1k views

Laptop shuts down upon waking from suspend

The computer enters suspend either by closing lid, choosing suspend from the top-right drop down, or hitting the power button and pressing suspend. It doesn't matter. I then attempt to wake the ...
11
votes
3answers
586 views

Ubuntu suspends when the lid is closed after pressing shutdown

I am running 12.10. Usually when I am in a hurry I press the shutdown button on the bar and close the lid of my laptop just after that. Often, I observe that instead of shutting down, the system ...
10
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4answers
7k views

Laptop Screen Black After Suspend

I'm a new user to Linux and i am running into an issue with suspend on my laptop with the following configuration Model : HP Envy m6 (AMD A10-4600M APU with Radeon HD Graphics) Operating System : ...
9
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1answer
1k views

How to get suspend when idle if no user logged in (lightdm)

I can't figure out how to get Ubuntu 11.10 to suspend when idle from a lightdm login screen. I've found methods to do this from gdm, but even those reference configuration files that aren't present in ...
5
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5answers
725 views

How do I get suspend working on an HP DV4T?

Suspend doesn't work on my laptop. When the laptop tries to suspend, the screen turns off briefly, some system-looking text appears for a bit, the screen turns off again, then the screen turns back ...
5
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2answers
1k views

No sound after resuming from suspend?

When my system gets to suspension while the song being played, and got resumed from the suspension, I found my Rhythmbox player running but no sound coming even from the system. I had to suspend it ...
4
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2answers
762 views

How do I detect when my system wakes up from suspend via DBus or similar in a python app?

In a background Python script I need to detect, when the system just woke up from suspend. What is a good way that does not rely on a root script but rather on python modules such as DBus? I'm new to ...
0
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2answers
4k views

Ubuntu 12.04 Installed, monitor turns off after Bios screen

After a little struggling, I managed to install Ubuntu 12.04 LTS I can hear the comp running while the screen is off, it turns off directly after the BIOS screen. I'm very much a newbie to this so ...
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2answers
22k views

What is suspend?

I saw the option Suspend in Ubuntu. What does it do? I tried this option, but my PC goes to low power mode and then, I can't bring it to a normal condition. So I had to power off my PC.
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1answer
2k views

Why does Chrome video performance substantially degrade after waking from suspend in 10.10?

Note: For some more details, some of which may not be true given what I've figured out, see this post. When I first boot my computer, video performance (both native H.264 HTML5 in YouTube and Vimeo, ...
7
votes
3answers
1k views

Hibernate and Suspend do not exist anymore, help

When I close the lid of my laptop and open it after some time I am greeted with a message "Failed to suspend". When I tried to manually suspend/hibernate, I saw these options are not available there ...
6
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3answers
1k views

How do I inhibit suspend from the command line?

Is there a way to inhibit suspend/hibernate from the command line. I want to ssh into my home computer and not have it suspend while I'm working on it.
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votes
3answers
2k views

Bad DMA/do_IRQ errors on suspend/resume, with occasional freezing

Every time I suspend or resume my laptop (Dell Latitude E6520, bought this year), I get 2 messages of the form displayed on the console just before shutting down/starting up: [ 407.107610] ehci_hcd ...
3
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4answers
3k views

xubuntu 12.04 restarts after suspend - only from my account

After installing a clean xubuntu 12.04 I noticed that when I suspend, the computer suspends and turns itself off (you see the lights go off, and a click sound from the HD or fans), but then about 2 ...
3
votes
7answers
3k views

Lenovo Ideapad s10-3 doesn't resume from suspend

I have recently installed Natty on my Lenovo Ideapad s10-3 netbook. I have a problem: while I'm able to put my computer to suspension, it just won't wake up when I open the lid or press a key (any ...
2
votes
1answer
580 views

Can't login after sleep (Ubuntu 14.04)

I've got Ubuntu 14.04 installed on my laptop (Lenovo Z570), and it is fully updated. The trouble is that when I wake it from a sleep long enough to require entering my password to login, it won't let ...
2
votes
1answer
779 views

Ubuntu 14.04 wake up immediately after suspend

My laptop is Toshiba M840. When I suspend, my laptop auto resumes immediately. I used acpitool to check what devices made my computer waking up. After I disable the XHC, my computer suspends properly. ...
1
vote
3answers
667 views

Black screen on laptop lid open after update to 15.04

I suspend my laptop by closing the lid, but when I open it my screen stays black, when I should be prompted to enter my xscreensaver password. The screen is "on" because I can switch TTY using ...
1
vote
2answers
209 views

Display color goes haywire when resuming from lock screen

Resuming the computer from locked screen sometimes ends up distorting the display. It happens randomly and restarting the computer is one workaround for it. I tried this : ALT+F2 ,then type ...
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2answers
1k views

Wireless mouse temporarily freezes (sleeps) on battery power

I have been getting a very annoying problem since recently in Ubuntu 12.04, probably due to another update that did more bad than good... When I resume from sleep on battery power my Lenovo Thinkpad ...
1
vote
2answers
1k views

What is GRUB (2)'s role in the suspend/hibernate process?

I have, like many, problems with suspending/hibernating in Ubuntu. When I resume from suspend the fans start, the HDD led glows steadily, but the screen is off. The only thing I do is hard reboot. No ...
8
votes
2answers
6k views

How to suspend from command line such that screen is locked?

I'm using Xubuntu 12.04. In the Power Manager, I have checked Extended -> Lock screen when going for suspend/hibernate. If I choose to suspend from the main menu / Panel 1, the screen is locked. ...
7
votes
6answers
6k views

Thinkpad does not wake from sleep - 14.04

On a freshly installed and updated Ubuntu 14.04 my ThinkPad E540 suspends successfully, but won't wake back up - a full reboot is necessary. Moreover, during the suspended state the fan is constantly ...
6
votes
4answers
6k views

Screen switches off after waking up from suspend

I guess, there are plenty of duplicates of this question, but I didn't find any to be helpful in my particular problem. My story is as follows: I was running Xubuntu 12.04 on a Thinkpad X40 which has ...
5
votes
2answers
632 views

Disable suspend when pressing fn+F4

I have a System 76 laptop with Oneiric. I just tried to turn the volume down using fn+F5 but I accidentally pressed fn+F4 and suspended the system instead. Is there a way to disable that so I won't ...
4
votes
1answer
470 views

Prevent machine from sleeping when SSH connections are on

I am trying to save power by switching desktops to suspend mode when they are inactive. But many desktops are also accessed via SSH by their owners. There is a wakeonlan solution deployed to enable ...
4
votes
3answers
8k views

How to permanently disable sleep/suspend?

Subtly broken is worse than frankly broken... Background: I already disabled suspend in System Settings -> Power. The "Suspend" option still appears on the gear menu (not that I expected it to ...
4
votes
2answers
891 views

14.04: password not accepted after computer wakes up from sleep

If i press Ctrl+alt+L to lock the screen, I can get back in by typing my password. If I put the computer to sleep, wake it back up again, I cannot log in anymore because it says the password is ...
4
votes
1answer
1k views

Suspend and resume isn't working on an ASUS X54CBBK3

I am more or less a complete Linux noob, and using 12.04 for the first time. Everything works great, and I am very happy, but there is one exception: suspend won't resume. Every time I suspend my ...
4
votes
0answers
386 views

How to set bluetooth to remain disabled after suspend? [closed]

Bluetooth is enabled by default, and I don't want that since I rarely use it and it consumes battery. I know you can enter rfkill block bluetooth in /etc/rc.local, which works upon reboot. But ...
4
votes
3answers
1k views

Suspend fails and I know the module causing it. What can I do?

My suspend did not correctly since I installed a USB 3 extension card in my PC. Instead of going to S3, the computer just woke up instantly. dmesg gave the hint "usb_dev_suspend+0x0/0x20 returns -2" ...
3
votes
1answer
305 views

Touchpad not recognized after suspend (Ubuntu 14.04, Thinkpad T420)

My Thinkpad T420 has had problems with recognizing the touchpad since I updated to Ubuntu 14.04. Immediately after logging in, it can recognize the touchpad, and all is fine. However, if I suspend, ...
3
votes
2answers
3k views

Ubuntu 12.04 not resuming from suspend Zenbook UX32VD

this is the first time I installed Linux so I might be doing a few things wrong. I have Asus Zenbook UX32VD, I separated the SSD and HDD, left Windows 7 on the HDD and Installed Ubuntu (12.04 x86-64) ...
3
votes
1answer
2k views

How to make the clock sync automatically after suspension of a Virtual Machine

I run Ubuntu 10.04 64-bit as a guest OS on a VMWare Player machine over Windows 7. I have the clock displayed in the panel and the location set to my time zone. Occasionally, I close VMWare Player ...
3
votes
1answer
494 views

Laptop suspend appears broken, what must I roll back?

Question: What package contains the subprogram responsible for the KMenu option "sleep"? Background: I've been running KUbuntu 10.04.1 and I am completely updated. Recently (within the past month), ...
3
votes
0answers
3k views

No resume after Hibernate or Standby [closed]

When i try to reactivate my notebook after it went to standby or suspend mode the screen stays black. The only solution i have is to reboot the notebook by pressing the shutdown button. Anyone has any ...