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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4
votes
1answer
26 views

Advanced power options for lid closing

I have ubuntu 14.04 installed on my dell e5440. What I'm trying to do is to make my computer suspend when I close the lid when I'm plugged in and hibernate when on battery power. What I've managed so ...
0
votes
0answers
20 views

How to bisect kernel when good is v3.11.10 and bad is 3.12.0

since upgrading from Ubuntu 13.10 to 14.04 (changing from kernel 3.11.10 to 3.12.0+), suspend hangs occasionally on my 2 different PCs. It is reproducible on 14.04, 14.10 and still present in all ...
0
votes
0answers
40 views

Ubuntu 15.04 suspend freeze

I use Ubuntu 15.04 with stock kernel on my laptop. When I boot up my laptop and then try to suspend, everything works perfectly. But when I work for few hours and then try to go to suspend, it almost ...
3
votes
2answers
167 views

XPS 13 9343 Failure to resume from suspend

I just bought a Dell XPS 13 laptop preloaded with Ubuntu. I have had great success with Ubuntu on Dell in the past and would have thought that one that comes preloaded would work even better but this ...
1
vote
0answers
18 views

External monitor not going to sleep (MATE 15.04)

System : Ubuntu MATE 15.04 Machine : Toshiba Radius P55W-C5200 External monitor : Lenovo 23" IPS LED HD uname -a 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:16:27 UTC 2015 i686 i686 i686 ...
2
votes
0answers
227 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 ...
7
votes
5answers
5k 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 ...
1
vote
0answers
23 views

Ubuntu Phone sleep command

I want to use a small script initiated by upstart to periodically synchronise calendar and contacts. The script works and it is started by upstart. Since it is in an endless loop until stopped I ...
0
votes
0answers
10 views

Ubuntu Sleep issue (tasks refusing to freeze)

When going to sleep the computer hangs at this point with this error.
3
votes
3answers
88 views

How to create keyboard shortcut which initiates suspend

When I was running the Unity shell I was able to do Fn + F1 and get my machine to suspend, however now that I am running Gnome Shell, when I do this keyboard shortcut, absolutely nothing happens, so I ...
0
votes
0answers
10 views

14.04 - Mounted secondary HDD disagrees with fstab after resume from suspend

I have a secondary HDD on my PC reserved for media which is mounted automatically on boot. However, after suspend/resume, although it shows as mounted, I cannot acceess it or unmount so I can mount it ...
0
votes
0answers
23 views

Ubuntu 15.04 suspend loop bug

I'm having the same bug as listed here: https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/1450013 and here: When I install Ubuntu 15.04 the computer hibernates but changing to ...
9
votes
4answers
6k 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 : ...
5
votes
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 ...
0
votes
0answers
8 views

Ubuntu 14.04 fn keys starts to work after resume from sleep

I have a problem with Ubuntu 14.04. After fresh installation none of the fn keys didn't work except for fn+f3 combination - which is sleep. After resume from sleep all fn keys (brightness, power, ...
-1
votes
1answer
11 views

Make Ubuntu go into standby (fails to enter standby, fan runs intermittently)

(Yes, this is a duplicate. I posted this a few weeks ago, but then the problem went away on its own [somehow]. However, starting yesterday, the problem came back.) Whenever I close the lid to my ...
0
votes
0answers
40 views

Ubuntu 15.04 on MacBook Pro 11.1 locks up on sleep

I'm running Ubuntu 15.04 from a clean install on a MacBook Pro 11,1 alongside OS X. I followed instructions here. I have a problem that happens intermittently where, upon attempting to suspend, the OS ...
0
votes
0answers
37 views

Ubuntu 15.04 Suspend not working. System resumes automatically a few seconds after suspend

System properly suspends when clicked on Suspend but Wakes up automatically after a few seconds even without pressing any key or power button. sudo pm-suspend also not working anymore. sudo ...
1
vote
0answers
9 views

Wacom issues with the Fujitsu T4220 & T4210 Tablet PC [duplicate]

Could someone take a look at the wacom issues? aparently I am not the only one having these issues but on my Fujitsu T4220 & T4210 tablet PCs I can't unplug the wacom to reset it. Everything works ...
0
votes
0answers
89 views

Wacom can't detected after suspend. After USB reconnection it works again but without ExpressKeys support

I'm use "Wacom Intuos Pro M" on Ubuntu GNOME vivid uname -a && lsb_release -a Linux MY-PC 3.19.0-10-generic #10-Ubuntu SMP Mon Mar 23 16:25:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux No LSB ...
0
votes
0answers
7 views

Boot script table modified, please contact vendor

I had a variety of distros on this Lenovo G50-45 laptop, most recently Debian 8 and now Xubuntu 15.04 x64. Whenever I want to put the system to sleep (suspend) I get the error message written in ...
1
vote
1answer
34 views

How to get Ubuntu Gnome to suspend after 5 minutes

I have recently installed Ubuntu Gnome, and found that unlike in Unity, in the Gnome Shell I am unable to tell my machine to suspended any sooner than 15 minutes, however for security reasons I want ...
1
vote
0answers
17 views

Nvidia Prime in powersave mode corrupts screen

I have an ASUS ux303ln with Xubuntu 15.04 that hosts Nvidia 840M. Aiming for longer battery life, I want to use the Intel graphics, so i do prime-select intel as root and that's OK. The problem ...
0
votes
0answers
22 views

Network Card Refused to change power state after resume from suspend in 14.04, worked fine in 12.04

The ethernet wouldn't work after resuming from suspend, this was not the case in 12.04 after upgrading to 14.04 it happens all the time. Looking at the dmesg output after coming out of suspense it ...
1
vote
0answers
20 views

I want to charge an iPod while in Suspend

Sony Vaio VGN-FW250j Intel Core 2 Duo P8400 dual boot Win 7 / Ubuntu 15.04 I am able to suspend and hibernate this laptop in both OSes. Ubuntu will not allow me to use the USB ports to charge my ...
0
votes
0answers
26 views

Networking issues following suspend

I'm running a dual boot with ubuntu and windows on my HP laptop and I'm having trouble doing any sort of wireless networking after I suspend it. I cannot connect to wifi, I also seem to totally lose ...
1
vote
2answers
184 views

no wifi after suspend on 15.04

My wifi is not working after suspend on 15.04. I can click my way to success on the wifi icon in the menu bar (and the enable wifi option), but I want to use scripts to automate the procedure. Here ...
1
vote
3answers
64 views

Computer won't restart or shut down

I have purchased a new laptop (HP Pavilion 11-n040ca x360; see here). At first I installed Ubuntu 14.04 on it, but after the installation finished the computer refused to shutdown. I manually closed ...
1
vote
0answers
14 views

Suspending when CPU idle

I am using 14.04 (Trusty). I have Power -> Suspend when inactive for 2 hours. This works fine if I am logged in and then walk away. But if I am not logged in, it never suspends. Moreover, I understand ...
1
vote
0answers
45 views

Laptop won't wake from suspend mode using wireless keyboard or mouse

I'm new to Ubuntu, just loaded the operating system because I want to learn more about it. I'm using a laptop as a desktop with a second monitor (used as my primary) and a Microsoft natural ...
2
votes
2answers
113 views

After returning from suspend, Ubuntu will not accept password even though it is correct.

I have only had Ubuntu 14.04 installed for a couple weeks. A couple days ago, whenever I would return from suspend, the password would not be accepted. However, if I restarted my computer, typing the ...
1
vote
0answers
25 views

Ubuntu getting suspended 5 seconds after showing log on screen

Ubuntu getting suspended 5 seconds after showing log on screen. After I wake it, there is no problem. In log I noticed a mem sleep initiation. also the problem was there when I chose try Ubuntu at the ...
4
votes
1answer
424 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 ...
0
votes
0answers
29 views

14.04 doesn't want to turn on after suspension

I've met trouble in my Ubuntu 14.04. I suspend my computer sometimes. And seldom it's not started after suspension (it's powered, but screen is black after pressing any key, drugging mouse etc.). I ...
0
votes
0answers
41 views

Ubuntu on Macbook Air 7.2

I am having a few problems with running Ubuntu 15.04 on a Macbook Air 7.2. Namely the webcam, WiFi and it doesn't wake up when I close the lid. Googling the 7.2 version with Ubuntu doesn't bring up ...
89
votes
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
1answer
104 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 ...
0
votes
1answer
16 views

Login automatically after PC goes to sleep

My user account's state is this: However, when my laptop falls asleep, it prompts me for a password when I awaken it up (by moving the mouse for example). How to avoid that?
0
votes
0answers
39 views

Suspend not working Panasonic Toughbook CF-29

I've tried a few different versions of Ubuntu now on my Panasonic Toughbook CF-29, and one thing I can't seem to get to work with any of them (12.04 - 15.04) is the suspend feature. I close the laptop ...
2
votes
0answers
29 views

Black Borders - Different suspend commands?

I have the popular "Black window borders" problem after coming back from standby when closing the lid. I use a NVIDIA graphics card and Ubuntu 15.04. The surprising thing is that when going to ...
1
vote
1answer
182 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
1
vote
1answer
39 views

Script to program periodic switch-on and off

My PC has a problem in its motherboard so when it's inactive for many hours after being on it won't start up, both when it's completely switched off or suspended. It takes between 8 to 18 hours to ...
2
votes
0answers
43 views

Ubuntu 15 sleeps before login

I have updated from 14.10 to the recent 15. Since I did so, everytime I am booting, it takes a lot of time in the loading screen and then the computer just goes to sleep. When I power back up, the ...
0
votes
2answers
2k views

Suspend USB power to a laptop cooling pad when going to suspend mode

When I suspend the laptop, the USB devices are left on. I don't mind this in general, however I'd like to be able to turn off the cooling pad under it. I tried the things outlined in the following: ...
0
votes
1answer
24 views

How do I force monitors to stay on even when on the lock screen on 15.04

I am having issues with Ubuntu 15.04 not allowing me to keep my monitors from going to sleep when it is locked. (There are issues that occur when they wake up, and want to avoid that.) I have ...
1
vote
0answers
63 views

Kubuntu 15.04 lock screen delayed after waking up

How to get rid of this? When I close the laptop lid, it suspends. But then, I open it, hit the power button to resume it, and I see my desktop (wow much secure). It is unresponsive, I can't click ...
1
vote
0answers
25 views

Wifi not working after suspend or sleep [migrated]

I'm fairly new to Linux and have been experiencing an issue with my desktop's wifi not working when it resumes from suspend. My current script is #!/bin/bash case "$1" in thaw|resume) sudo nmcli nm ...
0
votes
0answers
23 views

Suspend to RAM sometimes doesn't work

I came across an odd suspend to RAM problem. Suspend works fine, but on every 4th suspend the monitor turns to safe mode but computer is still running. Any ideas what's to do?
1
vote
0answers
36 views

How can I fix a black screen issue on resume from suspend?

I am looking for a solution to a particular issue with an occasional black screen on resume from suspend on my Thinkpad X230. Some details about the problem: The black screen occurs occasionally ...
8
votes
3answers
11k views

Keyboard and mouse unresponsive after suspend

I have a Toshiba Satellite S55-A5154 with 14.04 installed. Every time it resumes from being suspended, neither the keyboard nor mouse work. What can I do to fix this or provide you with more info?