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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77
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0answers
3k views

How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
3
votes
0answers
115 views

black screen after resuming from suspend

My laptop screen goes black after I resume it from suspend while using nvidia as default graphics manager, but when I use Intel graphics as default I dont have this issue. Nothing works, even ...
3
votes
0answers
447 views

Lenovo Yoga 2 Pro - Ubuntu 14.xx - X freezes when resuming from suspend

The problem is that my new Lenovo Yoga 2 Pro (lshw results) does not resume from suspend very well. I've collected the following data: This happens on Ubuntu 14.04.1 LTS - both with the original ...
3
votes
0answers
127 views

No touchpad and keyboard on Toshiba Sattelite at start

I have a big problem because I can't log in to Ubuntu on my computer, because when I see the login screen, nothing works. Originally, I solved the problem using this soplution (I pressed NumLock when ...
3
votes
0answers
478 views

Hibernate/Suspend doesnt work

I have a problem with my power modes in 14.04. When I use: sudo pm-hibernate my laptop and monitor display are getting black. After one or two seconds, the laptop and the monitor are showing the ...
3
votes
0answers
358 views

Ubuntu 14.04 crashes on resuming from suspend

Scenario. I recently uninstalled Nvidia propitiatory drivers, and installed nouveau ones. Before that, sleep and resume worked fine. So it might be a driver issue, but i dont want to taint my kernel ...
3
votes
0answers
321 views

NOUVEAU on 2013 15" macbook 14.04 crashes on resume

I have a 2013 Macbook Pro 15" (Macbook 11,3). My laptop works perfectly fine except awaking from suspend. I can see the screen, the keyboard does not work after waking up and my laptop (at least my ...
3
votes
0answers
326 views

I get an error 19, failed to resume with device 0:007

I've searched the web for answers to this, and the only other question that looks exactly like mine concerned Ubuntu 13.10 (8 months ago), with no answer to date. I'm on 14.04. I experience no system ...
3
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0answers
264 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 ...
3
votes
0answers
341 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
234 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
174 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
30 views

Trouble adapting sleep hook to systemd

for some reason my machine has problems with suspension, specifically, it resumes as soon as it suspends. After some research I was able to solve this problem on 14.04 by using the following loop, as ...
2
votes
0answers
22 views

Prevent usb HDD Sleep mode?

I'm having a problem with my computer running Ubuntu server 12.04, I have an external USB HDD plugged in for samba file sharing but after a few hours not using samba the USB HDD goes to sleep. When I ...
2
votes
0answers
39 views

After closing the lid, no screen display and computer hangs. Have to restart everytime.(14.10)

When I lock my laptop and close the lid, and again after sometime,when I open the lid, their is a blank screen with no display and even if I press any key(s), my system does not wake up.I have to ...
2
votes
0answers
133 views

Ubuntu shutdown freezes after suspend

I've recently installed Ubuntu 15.04 on my Acer Aspire V3, along with pre-installed Win8.1. During installation, I enabled /home encryption. There is no problem with suspending laptop for the first ...
2
votes
0answers
28 views

Suspend automatically when no monitor is attached

I use one HDMI cable for both the PC and the PS, and if I plug out the HDMI cable of the suspended PC, Ubuntu resumes. Is there a way to suspend Ubuntu automatically if no HDMI cable is plugged in?
2
votes
0answers
105 views

Kubuntu 14.04.2 laptop freezes on black screen after waking from sleep mode

I have a Dell Inspiron N7110 laptop, running Kubuntu 14.04.2. Whenever I put the laptop in sleep mode, it goes right to sleep, as intended. But when I wake the laptop from sleep mode by pressing the ...
2
votes
0answers
112 views

ubuntu 14.04.01 closing lid freezes laptop

I have a thinkpad yoga s1 with i7 cpu, hd4400 graphic card and Ubuntu 14.04.01 installed. The computer freezes when closing lid but if I suspend it before I close the lid, it won't freeze next time ...
2
votes
0answers
111 views

after 14.10 upgrade x session locks after resume or vt switch

Since upgrading from Ubuntu desktop to 14.04 to 14.10, I am having an issue with with my X session becoming unresponsive when resuming from suspend or switching virtual terminals. It occurs with ...
2
votes
0answers
201 views

How to diagnose / fix hanging suspend on Ubuntu 14.04/14.10

my Ubuntu does not suspend sometimes. Computer suspends several times correctly (2-3x) and then suddenly suspend process hangs with blinking cursor in upper left cornet and I can only reset the ...
2
votes
0answers
148 views

Authentication required before suspend

Since the last update of Ubuntu 14.04, when I press the sleep button in my laptop, a pop-up window appears with "Authentication is required for suspending the system". Password is not requested when ...
2
votes
0answers
110 views

Disable keyboard input wake up

I want to disable making my laptop wakes up from suspend on keyboard input. I searched a lot and I disabled all devices in /proc/acpi/wakeup but it still wakes up when clicking any button. I checked ...
2
votes
0answers
40 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
2
votes
0answers
143 views

Wake-on-lan from suspend

I am trying to wake up my laptop from suspend using WOL but it didn't work at all. I found this old post for the same problem but I don't see how I can do this for Xubuntu 14.04 that I am using. I ...
2
votes
0answers
248 views

cannot use keyboard nor mouse to wake up ubuntu 14.04 LTS

I have a Dell dimension 9200 desktop with windows 8 and ubuntu installed side by side. keyboard will wakeup windows 8 from sleep but ubuntu will only wake up when I press the power button. tried cat ...
2
votes
0answers
65 views

Ubuntu 14.04 - Blocked after suspending

I've updated my Sony Vaio PCG-3C1M to Ubuntu 14.04 and since then I have this issue, when the laptop goes for suspension, usually when the screen is closed, the laptop can't "wake up" after that. ...
2
votes
0answers
85 views

Laptop doesn't suspend

My laptop is Lenova T530 and I use Ubuntu 13.10. When I try to suspend the laptop (either by selecting suspend from the menu or by closing the lid), it doesn't suspend. It appears that it's trying to ...
2
votes
0answers
172 views

/sys is mounted read-only and this stops my laptop from suspending to RAM

My laptop has recently started to fail to suspend to RAM from time to time. I've completely re-installed Kubuntu 14.04 (trusty), but the error comes back intermittently. Looking at ...
2
votes
0answers
2k views

Mouse and keyboard not working when i resume after suspend ubuntu 14.04

I installed ubuntu 14.04 on my Dell inspiron 5537 by USB. Everything worked fine, but after i resume my computer from suspend my touch-pad and my keyboard are not responding. So, i tried to reinstall ...
2
votes
0answers
201 views

Ubuntu 14.04 Suspend Resuming Issue

I've had a problem with the "Suspend" feature on Ubuntu, and generally when you get a problem you look online for a fix, which I have done and I haven't found a fix, all I have found is other people ...
2
votes
0answers
570 views

Wireless Adapter Disconnects after Suspend on 14.04

After suspending and resuming my machine, my wireless networking fails to reconnect. Running nmcli nm shows the following: Before: RUNNING STATE WIFI-HARDWARE WIFI ...
2
votes
0answers
61 views

Why is that my ubuntu clock is not working during the time I put in sleep mode

When I set time in ubuntu it's working fine, but soon after putting in sleep mode, it's not working. Let's say the time is 3:00PM and I suspended the laptop for 2 hours. It's now 5:00PM but when the ...
2
votes
0answers
120 views

Prevent network card disabled on suspend

Since upgrading to 14.04 I can no longer wake on lan my laptop. This is because the network card seems to be disabled when I suspend ubuntu. Is there anyway I can prevent this from happening?
2
votes
0answers
1k views

Ubuntu 14.04 LTS desktop not getting shutdown

My Computer : Intel i5-4440 Quad Core on Intel Motherboard DB85FL (built-in graphics). I upgraded to Ubuntu 14.04 LTS from 13.10 through 'Software Updater'. The process was fully automatic and ...
2
votes
0answers
94 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
49 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
329 views

Prevent resume from suspend on lid open for 14.04

I'm running Ubuntu 14.04 on an Asus n550jv. I had this problem in 13.10 also. I want to disable resume-from-suspend when the laptop lid is opened. The traditional answers to this involve echo "LID" ...
2
votes
0answers
59 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
297 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 ...
2
votes
0answers
220 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 ...
2
votes
0answers
57 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
81 views

Ubuntu 13.04 dimming screen flickering

When Ubuntu goes to sleep, the screen dims slowly before turning off. As it is doing this, about every second, the screen flashes back to maximum brightness before returning to dimming. My graphics ...
2
votes
0answers
635 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
77 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
186 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
274 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
321 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
162 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
218 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 ...