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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80
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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
53 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 ...
3
votes
0answers
137 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
514 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
133 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
523 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
369 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
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0answers
365 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
337 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
votes
0answers
278 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
349 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
235 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
176 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
26 views

How do I disable the automatic fade to black on lock? (15.04)

I have an issue where I lock my desktop, and it will fade to black almost immediately. It does not always resume correctly when "waking up", so I'd like to disable the fading entirely. I have tried ...
2
votes
0answers
20 views

Crashplan service prevents suspend

After a long trial/error process, I finally identified crashplan service as the reason for my laptop not suspending after lid is closed. I have two different Ubuntu laptops, both are suffering from ...
2
votes
0answers
57 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
86 views

Ubuntu 15.04 disconnects from virtual networks after wakeup

After upgrade to Ubuntu 15.04, I see the same behavior with VirtualBox and VMWare Workstation. After the system is waked up from suspend, there's neither vboxnet0 nor vmnet8 devices in the output of ...
2
votes
0answers
40 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
154 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
164 views

Dell e7440, sleep sometimes fails, kernel logs show ACPI errors

I have a new Dell Latitude E7440 with Ubuntu 14.04.2. Sometimes (but not always), after sleeping, I cannot resume, as after trying to resume one of the following happens: I can move the mouse but ...
2
votes
0answers
30 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
129 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
125 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
312 views

SD card won't mount (or even be recognized) after resuming from suspend

My 32GB SD card (FAT32) does not have any problem mounting perfectly if my laptop (running Ubuntu 14.04) never goes into suspend (after I close its lid). But once I re-open the lid, retyping my ...
2
votes
0answers
115 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
215 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
180 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
124 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
150 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
263 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
70 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
216 views

Suspend not working 14.04

I'm aware that this has been covered in multiple places, but none of the solutions seem to work for me. I'm on an old Core 2 Duo laptop, which refuses to suspend/hibernate. Instead, it immediately ...
2
votes
0answers
194 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
206 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
589 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
62 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
123 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
95 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
50 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
334 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
60 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
310 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
237 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
58 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
83 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
652 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
80 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?