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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Ubuntu 15.10 Suspend / Resume / Crash Issue

I have an off-brand laptop; an Avatar system running on an Intel i5-3317u. It runs fully updated Ubuntu 15.10 OS. When I suspend the machine, I am able to resume for a short period of time (~1 ...
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Ubuntu does not resume after suspend - Lenovo IdeaPad z510

My OS hangs during starting resume. (Suspend works fine.) System can be rebooted only with CTRL + ALT + Print Screen + REISUB. I have tried downgrade kernel. It does not work( "mce: [Hardware ...
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1answer
50 views

sedutil suspend

I'm using sedutil and LinuxPBA for full disk encryption on my Samsung Evo 850 SSD. Everything works fine, except that I am unable to suspend while encryption is "enabled" since the disk loses power ...
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1answer
24 views

is there a way to turn the computer of by it self at a certain time of the day?

for a long a long time its been a problem for me(the human) to go to sleep early. A part of the problem is definitely that I often been to long by the computer at night i mess up my day rhythm and my ...
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17 views

Laptop goes to sleep if i close the lid during startup?

I just discovered something weird today. On my system running Ubuntu 15.10, I have set that closing the lid doesn't put my laptop to sleep. But if I close the lid while my pc is starting up or ...
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267 views

Desktop went to sleep during release upgrade

Every post I see here is either a laptop, or somebody who restarted their computer whilst asleep mid-upgrade. My case is neither. So I started a release upgrade from 14.04 to 15.10, some 10 hours ...
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10 views

How to enable suspend using cron

I am using i3 as a windows manager, and battery low detection goes by the wayside... I sometimes find my PC drained and dead after leaving it to do some work. I found a couple of good battery low ...
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26 views

Ubuntu fails to “Suspend”

If I try to "Suspend", the screen turns black for a second or two, and then again wakes up, with screen locked! This is the output of cat /var/log/syslog | grep PM: Feb 11 02:44:09 jatinderjit-Ub ...
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0answers
62 views

WiFi sometimes doesn't reconnect after resuming from suspend on Kubuntu 15.04

This has happened at least twice so far. I am running Kubuntu 15.04. Sometimes, when I resume work after suspend, the wifi connection doesn't go back up. Here is a part of /var/log/syslog: Oct 27 ...
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6 views

Sometimes graphic issues (flickering) after resume from suspend (ThinPad X250, Kubuntu 15.10 Wily)

I have a ThinkPad X250 running Kubuntu 15.10. Sometimes, after resume from suspend the monitor starts flickering from time to time. After restarting the machine everything works fine again. Is there ...
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26 views

Laptop battery started discharging rapidly in 15.10, even during suspend. Powertop points to wlan0

I don't know the exact timeline of this problem but my Dell L502X XPS 15 laptop is having battery problems . Symptoms Battery discharges very rapidly (like, in 1 hour) when in use (instead of 4 ...
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22 views

Whenever I press the power button in the login screen, my computer shuts down immediately

I sometimes leave my computer for long periods of time, and after a while, my computer will require a password to re-enter the live session. However, when I come back, since the screen has already ...
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7answers
11k views

Ubuntu 14.04 freezes after wake up

After wake up the login screen appears, but I cannot type the password to log in. Furthermore, the buttons on the system panel (e. g. to shut down) are disabled, so clicking does not take effect. I'm ...
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0answers
90 views

NFS hangs on resume from suspend [after Wily update]

I updated to Wily a week ago. Previously, nfs (by autofs) mounts worked fine after suspend. Now they don't, and it's causing all apps that have open files on the network to hang and complain. When I ...
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0answers
9 views

My external harddisk never sleeps

Although my external HDD is running idle all the time, it never sleeps (I run it 24/7 and didn't use it for at least the last 5 days). Is there some way to handle that? It's kinda hot, as if it was ...
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0answers
20 views

14.04 Wifi doesn't turn back on after sleep

Related questions have been asked quite often, but the solutions mentioned in those questions don't seem to solve my problem. This quesion seems to be on the right track and I use it as a general ...
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0answers
70 views

Unload saa7164 module for Hauppauge 2250, and stop tvheadend to suspend Ubuntu 15.04

I'm a noob when it comes to using systemd. I'm running Ubuntu 15.04 with the Hauppauge 2250 TV tuner. Unfortunately, the driver/module for the 2250, "saa7164", is not compatible with suspend/resume so ...
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42 views

Blank screen after resume from suspend on 14.04 (installed on Samsung NP900X3A)

I installed ubuntu 14.04 on my ultrabook Samsung NP900X3A. The main problem I get is the strange behaviour of the computer after resume from suspend: it seems to recover, but nothing appears on the ...
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1answer
22 views

Turn off display while lid is closed but prevent sleep on ubuntu server

I am currently running ubuntu server 14.04.3 on a macbook. I have managed to close the lid while preventing the system from sleeping but it does not turn off the display however it does turn off after ...
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3answers
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. ...
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23 views

Ubuntu 15.10 wakes up immediately after suspend but only once per boot

got a bit of a tricky one here My computer is running 15.10, and whenever I suspend it for the first time after powering it on, it wakes up immediately after it suspends. After that initial suspend, ...
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1answer
165 views

Ubuntu 15.10 freezes, shut down, suspend, restart doesn´t work (ACER Aspire E-15 Start)

I am using ubuntu 15.10 and I am unable to shut down, restart, suspend, although logging off/on works. I have tried to update the grub with this command: sudo grub-update then my ubuntu system can't ...
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2answers
121 views

Fan not spinning after suspend in new kernels (Asus X453M)

More often than not, when my laptop is resumed after being suspended, the fan will no longer spin, resulting in overheating when a heavy process is running. This happens on Ubuntu 14.04 with 3.13.0 ...
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1answer
53 views

A sleep script for Ubuntu server

Let's start from the beginning: I have a Pi which wakes up my server when a request comes in on tcpdump, and it works like a treat! My problem is that I want my server to sleep when there is no ...
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2answers
197 views

Ubuntu not starting after suspend

I have an HP-compaq-15s-103tx laptop with duel booted Ubuntu 14.04 LTS and Windows 8.1 in UEFI Mode. Every time when I try to Start my laptop after doing 'suspend', It does not boot at all. i.e, ...
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0answers
47 views

Custom hibernation command on Xubuntu 15.10

I have found, that I have problems with hibernation on my machine running Xubuntu 15.10. With many attempts I found, that the only way to hibernate is to type following commands (according to this ...
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0answers
23 views

External monitor issue for ubuntu14.04 on 13" HP probook 650

Fresh install ubuntu14.04 on HP probook 650, no dock station, attached external monitor detected and the desktop displayed on the external monitor. The problem is, if the laptop is awaken from ...
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0answers
32 views

Shut-down/Restart/Power-up “work” as Suspend on a Lenovo g50-70 running Ubuntu MATE 15.10

As the title suggests; when it comes to shut-down/restart both suspend the laptop unless I go with sudo -shutdown which works as expected. When powering-up, it goes through the GRUB (since I'm ...
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0answers
27 views

Ubuntu 15.1 on ASUS has suspend/wake-up Issues

I've ASUS A555D laptop with FX-8800P APU (combined CPU - GPU) and Radeon R8 M350DX 2GB graphics. I have installed Ubuntu 15.1, Oddly enough because it didn't have issues with the APU and video like ...
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2answers
58 views

Low CPU frequency

I'm having the following problem with Kubuntu 15.10. Sometimes when I put my laptop(Dell e6420) to sleep and later wake it up, I see that CPU is running at really low frequency (~600Mhz) This is ...
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0answers
43 views

Ubuntu 14.04 takes too long to connect to wifi after wake up from suspend

It takes approximately 45 seconds to connect to wifi after suspend. I searched internet for solution and found this: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/274405/comments/74 ...
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0answers
12 views

How to pause GParted Move Operation?

I have to suspend my laptop whenever there is electricity breakdown in my area. But there is no option to pause the operation. Anyone know a hack that can do it. Will suspending my laptop pauses the ...
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1answer
33 views

Resume from Suspend closes applications

Just loaded Ubuntu 15.10 on my old HP E1 Vision and am very pleased with it. I have a minor issue in that if I Suspend using the power icon in the upper right corner of the screen, close the lid and ...
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0answers
415 views

Ubuntu 15.10 Black Screen after suspend

I just did a fresh install for ubuntu 15.10. Everything works fine except when i suspend my desktop or when i am inactive for too long the screen go off/sleep, when I try to wake it up, it shows a ...
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0answers
112 views

Can't shut down, suspend, switch user, or log out without black screen

Okay... So when I try to shut down, suspend, switch user, or log out - all I get is my screen turned off. However, my computer is still on. I can tell because the light on the power button on my ...
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0answers
17 views

Not coming out of suspend

I have Ubuntu 14.04 on an HP Compaq Small Form Factor and suspend is giving me issues. I can go into suspend, but, when I try to come out, the computer will seem to start to un-suspend. However, the ...
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1answer
16k views

how to execute a command after resume from suspend?

I've got a script that is executed in order to have suspending/resuming working in my laptop. Then I have another series of xinput,xkbset and xmodmap commands that are executed when I initiate a ...
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1answer
77 views

A strange problem with Kubuntu 15.10

I have been using Fedora for ages, but the new laptop that I purchased came with Ubuntu installed and I decided to give it a try. I regretted it almost immediately but continued out of sheer ...
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1answer
14 views

Ubuntu-Gnome 14.04 not suspend when inactive

Suspending is working properly when I do manually or set time for inactive shorter than turning screen off timer but I want to turn screen off earlier and suspend the machine after 1-2 hours but it's ...
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0answers
118 views

Why does my thinkpad log in automatically if I lock my screen, shut my lid and then reopen it?

I've noticed some strange behaviour while working today. If I lock my screen with ctrl+alt+l it takes me to the login screen. If I then decide to shut my laptop it suspends correctly. But when I ...
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0answers
12 views

Why does ctrl + alt + f2 put Thinkpad into a TTY but when docked it puts it to sleep?

When I hit ctrl + f2 on my Thinkpad I get a tty, great. However, when I hit ctrl + f2 with an external keyboard (MS Natural if it matters) when I am docked it puts me to sleep. What is going on ...
8
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2answers
5k views

How do I get a wireless USB keyboard to to wake Ubuntu 13.10 from suspend?

My PC with Ubuntu 13.10 is set to suspend after 30 minutes of inactivity. Up until it suspends I can resume working at any time using my Logitech K400r wireless USB keyboard. The OS defect/problem ...
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3answers
2k views

Error during device I/O when using USB scanner

I have a Canon LIDE 100 scanner that doesn't properly initialize on first scan attempt. When I trigger a scan, it seems to start (you hear the scanner beginning to engage), but then my scanning ...
2
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0answers
12 views

Close some apps before suspend automatically?

When I suspend the system leaving some heavy on RAM apps active, the system crash on the wake from suspend. So right now, I manually close those apps and the system never crashes when awaken. Is ...
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1answer
27 views

Desktop entry, or other convinent but safe way to exec multiple statements,

I'm running Gnome on Ubuntu 15.4. I want to execute two or more actions at once, but let's try with two: sudo pm-suspend gnome-screensaver-command -l pm-suspend has been added and allowed to be ...
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1answer
78 views

UBUNTU 15.10 BLACK SCREEN AFTER SUSPEND Acer Aspire

I am using an Acer Aspire V15 with nvidia 840m dedicated graphics card. Everytime I shut or suspend my laptop and try to wake it up the screen light turns on but the screen remains black with a white ...
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0answers
79 views

Laptop instantly wakes from sleep/suspend when battery is low

I have an EliteBook 2570p with Ubuntu GNOME 15.04 installed. When the battery is low I can suspend the computer or put it to sleep, but it wakes up right away. For example, sometimes I am working on ...
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0answers
54 views

How to clean Firefox after crashes?

Firefox (43) has become very unstable due to improper termination from frequent system reboots necessitated by Ubuntu 14.04's lack of reliable suspend/hibernate support for NVidia devices. Now it just ...
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0answers
41 views

Wifi is disabled after waking from suspend

On my HP 17 pavilion notebook WiFi is disabled after waking from suspend. It says "WiFi is disabled by hardware switch" lspci -knn | grep Net -A2 08:00.0 Network controller [0280]: Realtek ...
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1answer
23 views

Pulse Audio does not work after Resume

Hy, After Suspend - Resume Sound Applications still play, but there is no sound. I need to issue (in a shell) /usr/bin/pasuspender /bin/true then sound is there again. This command of course ...