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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9
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426 views

How do I enable Ubuntu to suspend the machine using LUKSsuspend during sleep/hibernate

I'm on Ubuntu 13.04 using full disk encryption (LVM on top of LUKS). I would like to incorporate luksSuspend into the suspend procedure (and later use luksResume) so that I can suspend to RAM without ...
3
votes
0answers
218 views

Laptop immediatly goes to sleep after disconnecting power

I've Lenovo S400 laptop, dual boot with windows 7 and ubuntu 13.04. The problem is that whenever I disconnect the power adapter, ubuntu shows that battery level is critically low and goes to sleep. ...
3
votes
0answers
243 views

Wireless Problems After Resume

[Edit 3: Before you read all of this, I don't think this is a software issue anymore, so I'm not sure if there's a real solution that can be offered. I saw this video and read some of the comments. It ...
3
votes
0answers
190 views

Switched to Compiz for OpenGL on Xubuntu 12.04, now laptop screen doesn't turn on after a suspend

I recently added the CompizConfig settings manager to resolve screen tearing while watching full screen video (it worked! no more tearing!) but now every time I close the laptop screen and the system ...
3
votes
0answers
466 views

Lenovo T400 Hangs after Resume from Suspend in Raring Ringtail

I've upgraded from Ubuntu 12.10 to 13.04 recently and now my system hangs if I resume from Suspend. Any suggestions how to fix this or how to diagnose the problem? Its a Lenovo T400 Laptop. Update: ...
3
votes
0answers
259 views

Problem booting Ubuntu 12.04 after hibernate/suspend

Linux 3.2.0-38-generic #61-Ubuntu SMP Tue Feb 19 12:18:21 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description: Ubuntu 12.04.2 LTS Release: 12.04 ...
3
votes
0answers
114 views

How can I prevent my laptop auto suspend (due to critically low battery) from looping?

I have an Acer Aspire 5750G on Ubuntu 12.04LTS and I've got a problem: Battery critically low > suspend > wake up instantly (I don't touch ANYTHING) > suspend > wake up.... power outage > dead. I've ...
3
votes
0answers
347 views

“power off and on” specifc usb port in Ubuntu 12.04

I am trying to power off and power on usb port in Ubuntu 12.04 without success. I tried the steps listed below: echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" echo "auto" > ...
3
votes
0answers
128 views

How to tell if laptop was woken by rtc?

Say I set my laptop to wake every morning with rtcwake (e.g. echo $(date +%s 'tomorrow 08:00') > /sys/class/rtc/rtc0/wakealarm in a cron job or in /etc/pm/sleep.d/99-set-alarm.sh). Now, I'd like ...
2
votes
0answers
37 views

How can I suspend the way that ubuntu does?

I would like a command I could map to a button or execute within my network. So far I know the command sudo pm-suspend but I could not make pmi action suspend work on either 12.04 nor 14.04 : Error ...
2
votes
0answers
20 views

Determine which device resumed PC from suspend

I'm running Ubuntu 13.10 as a HTPC and have configuring the PC to resume from suspend in order to record scheduled live TV programs. This part works fine. What I want to do now is determine what ...
2
votes
0answers
47 views

Black screen after screen off on 13.10

I swtiched "Turn screen off when inactive for" to 3 minutes and Lock screen after screen goes off to on. The problem is that after the screen is off, when I try to come back I can`t do anything, the ...
2
votes
0answers
53 views

What's breaking suspend

I have problem with suspend, every morning around 7am my computer wakeup. I do not wish it to do it because it sometimes drains my battery if not in charger. How do I fix this? :) Ubuntu 13.10, AMD ...
2
votes
0answers
243 views

How to disable xscreensaver lock on suspend?

I have recently installed Ubuntu 12.04 LTS and have installed xscreensaver. As I am the only user on this computer and I am only using the computer for music, movies, and some web browsing I have no ...
2
votes
0answers
201 views

Disabling suspend/sleep/hibernate on a headless Xubuntu

I'm running Xubuntu 13.10 headless via ssh and tmux. Whenever I leave the machine, making sure to have a tmux session opened, it will invariably crash after about an hour. The sign it has crashed is ...
2
votes
0answers
286 views

Dell latitude E6540 resume crash with catalyst drivers

I have a Dell Latitude E6540 with an AMD Radeon HD 8790 and an integrated Intel GPU. I installed AMD Catalyst 3.11 Beta V9.4 drivers in Ubuntu 13.10. It's works fine but suspend/resume doesn't work. ...
2
votes
0answers
54 views

How to prevent Ubuntu from suspend

I have a problem with automatic suspend in my ubuntu. I have following settings but even that I have plugged computer in it is suspended How to fix this?
2
votes
0answers
144 views

Garbled screen after return from suspend 13.10

Configuration: Asus motherboard m2n68 w/onboard Nvidia Geoforce 7025 and nforce630a chipset. I've tried the Nouveau driver, and Nvidia 304,173. Everything works great with Nvidia except return from ...
2
votes
0answers
401 views

Xubuntu 13.10 laptop display pop up from sleep?

Upgraded to Xubuntu 13.10 recently and noticed that when I put my Dell D620 laptop to sleep/hibernate (closed lid) the laptop display & configure settings & layout pop up appears? This doesn't ...
2
votes
0answers
204 views

How to check what suspends? Lubuntu saucy

I have a Nokia Booklet 3G and I have a problem (not one, actually) with Poulsbo suspend/resume. I installed Lubuntu saucy (beta), which runs smoother than previous versions (it actually boots, unlike ...
2
votes
0answers
216 views

Lenovo T420s won't wake up from suspend / 13.04

My Lenovo T420s on Ubuntu 13.04 notebook suddenly stopped waking up from suspend. It used to wake up when opening the lid, but now the screen stays blank, the power button slowly flashes and doesn't ...
2
votes
0answers
101 views

Active download does not supersede suspend

I'm using Ubuntu 13.04. My system is set to suspend after 10 minutes of idle time. I like this, but if I have a download going, the system will go into suspend anyway and the download will pause. ...
2
votes
0answers
152 views

Command “xset dpms force on” after resume

I Use Lubuntu 13.04 and the LVDS Display only works if you use the "nomodeset" option is set in grub. (The VGA Display works without a problem...) After a resume i only can see on the LVDS Display ...
2
votes
0answers
143 views

Strange messages when suspending/hibernating

While suspending or hibernating, a terminal is shown. Normally it's blank, but lately it's been showing messages like these: [ 429.276100] i2400m_usb 2-1.5:1.0: device reset on resume: ...
2
votes
0answers
650 views

Suspend on power button when session is locked

Is it possible to configure Ubuntu so that the power button causes suspend regardless of whether the session is locked or not? See here, for example. That configuration does not work, however, if the ...
2
votes
0answers
176 views

PulseAudio Equalizer doesn't survive neither suspend nor hibernate

First time Ubuntu boots up it's fine. I can listen to the music and the sound is equalized. Then if I suspend the PC or let it hibernate then, after I have woken it up, the sound becomes plain. If in ...
2
votes
0answers
294 views

Wake up from sleep with GPIO (I2C)

My situation: Ubuntu 10.10 running on an Atom driven main board The main board has a GPIO chip integrated (F75111 by Fintek). They communicate through I2C (SMBus). We have a driver running that ...
2
votes
0answers
145 views

Xorg intermittently restarts after suspend

I have Ubuntu 12.04 on a Toshiba laptop. About one out of every three times, when waking from suspend, it wakes up normally and works for anywhere from 10-45 seconds, then the screen goes black, then ...
2
votes
0answers
4k views

Fn-keys stopped working on a Lenovo Thinkpad Edge

I'm running 12.04 on a Lenovo ThinkPad Edge. I'm having these possibly related issues with things that worked perfectly when I installed Ubuntu: Most of the Fn-keys worked seamlessly after I freshly ...
2
votes
0answers
678 views

Ubuntu 12.04 LTS screen refresh problems after returning from suspend

I'm using the latest proprietary Nvidia drivers (v. 302.17) on Ubuntu 12.04 LTS 64-bit and sometimes after returning from suspend I notice weird screen artifacts or sometimes screen is simply white. ...
2
votes
0answers
220 views

Computer turns off after suspend

I've run into this rather odd issue. In Ubuntu 12.04, with the latest kernel update, the computer will not wake up from a suspend. Much worse that that, it starts to load, immediately turns off, and ...
2
votes
0answers
218 views

After upgrade to 12.04, suspend locks my laptop

After upgrading to 12.04 suspend no longer works. Going into suspend seems to work, screen, fan, disk and LED's shuts down. When trying to resume I can hear the fan staring up for a second or two ...
2
votes
0answers
402 views

Lid close action and dual monitor

I enjoy my Ubuntu laptop and the automatic hibernate on lid closing. Unfortunately the hibernation doesn't take place when closing the lid while an external monitor is plugged in. The monitor is only ...
2
votes
0answers
366 views

STANDBY/SUSPEND TO RAM does not work - ASUS EeePC wakes up immediately

I'm using 12.04 on a ASUS 1201 EeePC. Hibernation works well after re-enabling (thanks for that post!), but the SUSPEND mode does not persist. After switching the Netbook off it is awaking immediately ...
2
votes
0answers
648 views

Doesn't suspend when closing lid on a Dell Inspiron N5110

This is what advanced settings tell me: Shell > Laptop lid close action on battery > Suspend Shell > Laptop lid close action when on AC > Suspend The screen is on when I open the lid after closing ...
1
vote
0answers
42 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 ...
1
vote
0answers
37 views

Dock (Docky) disappears when I put my computer to sleep

My dock disappears when I put the computer to sleep. It's there when I go to sleep, but gone when I wake it up. I can easily start the dock again by using unity search and searching for "docky" and ...
1
vote
0answers
22 views

Laptop resume with external display: all windows are displaced to other workspaces, why?

I am not sure if this is the default behavior and if someone else noticed it. Suppose I have 4 workspaces with an external display plugged in so my workspace setup looks like this: [W1a W1b] [W2a ...
1
vote
0answers
13 views

Keep keyboard from waking laptop?

I have an Ideapad Y400 running Ubuntu 13.10. I have been having a problem where, while I am carrying the laptop, the screen will push one of the keys and wake the laptop up. Is there any way to: ...
1
vote
0answers
40 views

Computer reboots instead of shutdown, only after suspend

I have posted seen this on the Ubuntu forums (http://ubuntuforums.org/showthread.php?t=2175057), but its not drawing a solution there so I am posting here. Problem is when I shutdown my computer it ...
1
vote
0answers
18 views

slow machine when waking from suspend

I am using xfce4-power-manager to take care of screen locking and suspend when I close the lid of my laptop. It's a great little utility! However, when the machine wakes from suspend (which is to ...
1
vote
0answers
48 views

Problem with disk unmounting on sleep and mounting on wake

I use a HTPC with XBMC on Lubuntu 13.10 (32 bits) to watch My DVDrips from an external USB HHD, the problem comes when I put the computer to sleep from between XBMC and then I wake up the system then ...
1
vote
0answers
26 views

Prevent resume from suspend on lid open for 13.10

I'm running Ubuntu 13.10 on an Asus n550jv. I want to disable resume-from-suspend when the laptop lid is opened. The traditional answers to this involve echo "LID" > /proc/acpi/wakeup, but there ...
1
vote
0answers
66 views

How can I prevent hibernating if CPU usage is above say 40%? (Plex, Couchpotato, Transmission)

I am using a netbook as Plex Media Server. I use wake on lan to start Ubuntu when I feel like watching a movie. Windows prevents my pc from going into hibernation when Plex is streaming a video to a ...
1
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0answers
44 views

Brightness stuck at full after suspend HP Pavilion G6 12.04

I have an ongoing problem with my linux install where brightness seems to get stuck at full after my laptop suspends. Before suspend, the hotkeys work fine. After suspend the hotkeys still bring up ...
1
vote
0answers
67 views

Module acpi not found

My OS is 12.04, I'm not able to suspend and wake up my PC at given time, or better if I run sudo rtcwake -m mem -s 120 My PC enter suspend mode and the power-on light turns up after 2 minutes, but ...
1
vote
0answers
36 views

automatic suspend

I just bought acer netbook which came with Ubuntu One program, whenever I'm watching videos on youtube system gives me warning that netbook will automatically suspend because of inactivity and it does ...
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vote
0answers
141 views

Hibernate and/or Suspend breaks my computer

I have a problem with my Ubuntu OS that I've been trying to solve for the past 2 weeks with no results. I've probably put 14 hours into solving this problem. When I use the suspend option on my ...
1
vote
0answers
19 views

How to redefine nautilius unmount to turn off the unmounted hard drive as well?

I have just installed an hdd caddy for my second hard drive. I would like nautilus to turn it off when all of its partitions are turned off (to simplify it we can assume that there is only one ...
1
vote
0answers
58 views

Monitor sleep mode

For my main monitor I use an LG LCD TV but it cant turn it self off when there is no signal(computer falls asleep). It has an RS-232 port for control and I figured out how to turn it off and on with ...