computer low-power mode, including suspend-to-RAM and suspend-to-disk

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Suspend option disappear from shutdown dialog on Mint 17.1 Cinnamon

Previously I have a "Suspend" option when I open shutdown dialog, not sure why (probably because I did a apt-get upgrade I found the "suspend" option has gone: Another thing is even I set my power ...
2
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1answer
26 views

Is there a way to suspend an process belongs to shell A and foreground it in shell B?

I knew how to suspend one process and bring it into foreground in current shell, but I have no idea about that If I have run a process in shell A and now I want to bring it into foreground in current ...
2
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1answer
32 views

Where do my keypresses go ?

Scenario (Ubuntu 14.04.2) : I wake Ubuntu from suspend. I know (from past experience) that it only takes 2 or 3 seconds for the lock screen to become available. My monitor, however, takes longer - ...
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22 views

black screen after resuming from suspend

My laptop screen goes black after I resume it from suspend. Nothing works, even restarting lightdm is useless. Please help NOTE: I have NVIDIA graphics card (tell me if I have to provide any more ...
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0answers
15 views

Perform task on waking up from suspend

I have program that misbehaves when my pc wakes up from suspend to ram, it starts using up to 40% of processor time so i usually have to kill it manually. How can i set specific command (pkill in ...
2
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1answer
46 views

Disable suspending at kernel level (independent of distribution, DE and logged user or login screen)

I have a not very well working gfx card (nVidia geForce Go 7400) in my old laptop which prevents the screen from switching back on after waking up from suspending. The system (Ubuntu 14.10) resumes, ...
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0answers
21 views

Disable KMS on Debian Sid

I've recently started having trouble resuming my Sid laptop from suspend. I'm not sure if this was caused by an upgrade or by me tinkering to try and get a splash screen working, but anyway, I have my ...
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1answer
192 views

Fedora 21 - Problem waking up after suspend

I recently installed a Fedora 21 64-bit workstation. In the Power tab of GNOME Tweak Tool, I set the option Power Button Action to Suspend - The power indicator LED on my laptop usually starts ...
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1answer
100 views

Kernel ATA Exception after resume from suspend to RAM

After resuming from suspend to RAM, my Arch Linux system freezes and becomes permanently unresponsive. However, I managed to pull the following kernel log: kernel: sas: Enter sas_scsi_recover_host ...
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1answer
71 views

Why Linux inside KVM gets busy after I put the host to suspend-to-ram?

I run another Linux instance inside KVM on my laptop. When I suspend-to-ram the laptop and wake it up again, the guest Linux starts consuming 100% CPU for some time (maybe proportional to the sleep ...
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0answers
31 views

Initialize USB keyboard attached while suspended

I have a laptop that I sometimes want to use with separate peripherals; external monitor, external keyboard and external mouse. When in this mode, I want to keep the laptop closed and tucked away (as ...
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2answers
158 views

Suspend button does not work when xscreensaver is active on xfce Debian

I've Debian jessie and xfce. When I push the power button, my system is suspended. When I press any key on my keyboard the system wake up and I get the login prompt of Xscreensaver (screen lock is ...
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22 views

Show history of computer usage

I know the last command can show me a history of when I last logged in/out, and I also know that I can use /var/log/pm-suspend.log to find out when the computer has awakened from a suspend mode. ...
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1answer
378 views

suspend doesn't work after upgrading to Debian 7.8

On 2 partitions of my HD I have installed Debian 7.7 and Debian 7.8 (upgraded from 7.7). The first OS has "suspend" to ram or disk working, the latter not anymore. I made some tests, changing home ...
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0answers
90 views

Unable to suspend on MacBook 11,1 on Ubuntu 14.04

I just finished installing Linux Mint 17.1 on my MacBook 11,2 (2013 model, 13.3") and have just wrapped up fixing most of the problems. One problem remains: I can't suspend (and by consequence, ...
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266 views

Black screen after resume?

I have an Asus laptop (Cr400) running Mint 17.1. If the machine is put into sleep and then resumed, I get a black screen. I can use Ctrl -Opt-F1 to switch to a command line, but that hangs at a ...
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0answers
19 views

No video on tty after sleep

I have Debian 3.2.63. After I push 'Sleep' button and come back my TTY do not work, only X11. Anybody know how restore video parameters after suspend?
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47 views

Running script before suspending while using dbus

I have a file: /etc/pm/sleep.d/85rmNvidiaModule. In it I have: #!/bin/bash case $1 in suspend) echo "Oh, this time we are doing a suspend to RAM. Cool!" sudo modprobe -r ...
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131 views

How do I prevent SD card from dismounting when suspended?

I have Android Studio installed in my SD card. When it's running and the system is suspended, java starts throwing a bunch of I/O error. Is there a simple way of disabling this so that the SD card ...
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0answers
32 views

Suspend options with KDM greeter

I am not able to suspend my desktop to RAM from the KDM greeter. I am able to suspend it to RAM when logged into KDE using the sleep option from the logout menu and by pressing the sleep key on my ...
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0answers
361 views

Cannot go in sleep mode in Linux Mint

I'm using Linux Mint 17.1. Whenever I try to put my laptop in sleep mode, it seems to do it for a second then wake up immediately. I've checked the logs but cannot see why could wake it up right away. ...
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0answers
29 views

how to identify process which blocks suspend/hibernate

I have an intermittent problem with a laptop that doesn't sleep/hibernate after lid is closed. And I have no idea why. I suspect that some process blocks sleeping/hibernating. How can I identify ...
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1answer
32 views

How to propagate TSTP while running a program as a different user

I'm running a terminal application via "su" in this fashion: su -c "/path/to/app --args" username This is done from a root context, and 'username' is a less privileged user in the system. The ...
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2answers
85 views

How is RAM shared between multiple OS on suspend?

Just a quick question really. I noticed that on either partition, Linux or Windows, that I may suspend either system and then boot into the other. Since suspending an OS does not write data to disk, ...
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0answers
249 views

Debian blackscreen after suspend

After fully updating my laptop after a few weeks downtime and now the suspend function isn't working anymore. It does suspend my laptop but on the wake-up it only starts the HDD agian but the ...
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2answers
62 views

Lock system after awake suspend (incl. forced-shutdowns system after countdown)?

For speed and convenience I do not shutdown my system when I am only gone some minutes, but do a pm-suspend! When the system "unsuspends"/resumes I would like that there is a (screen)lock (on X and ...
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1answer
128 views

What is the suspend procedure in KDE?

I've been reading this question, and I'm wondering what is the procedure for suspending in KDE? Whether to RAM or to disk.. When I click suspend, or close the lid, what gets triggered? What is the ...
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2answers
243 views

Suspend to RAM not working

I get following error when I try to suspend my laptop: failed to check authorisation: GDBus.Error:org.freedesktop.DBus.Error.Service.Unknown: The name org.freedesktop.PolicyKit1 was not provided by ...
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0answers
97 views

Why does my Before=sleep.target service run *after resuming*?

I've defined the following service to start a screen locker before suspending: $ cat /etc/systemd/system/screenlock.service [Unit] Description=Lock X session using slock Before=sleep.target ...
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0answers
61 views

Mouse + network turned off after suspend

(After upgrade from Debian Wheezy to Jessie), my mouse is not turning on again, when I wake up my computer (from suspend-to-ram sleep). Is there something that I can add to /etc/pm/... ? ...
1
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2answers
238 views

Debian jessie cannot suspend anymore

I'm using Crunchbang Waldorf with the Jessie repositories, and suspend functionality has recently been broken. It seems that UPower, the tool Crunchbang used to suspend, just removed suspend ...
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0answers
127 views

Enable suspend in linux mint in a dell xps-17

In my vain attempt to get hibernation working in a dell xps-17 by installing (I'm seriously considering getting a mac cause it just works) a hibernate package I have lost my ability to suspend. How ...
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0answers
244 views

how to run a user script after systemd wakeup?

When my debian jessie desktop box wakes up from sleep (via the new shiny systemd) my mouse settings are returned to their defaults, having reset my customisation xinput set-prop 12 'Device Accel ...
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1answer
1k views

How to run systemd user service to trigger on sleep (aka. suspend, hibernate)?

Based on various sources I have cobbled together ~/.config/systemd/user/screenlock.service: [Unit] Description=Lock X session Before=sleep.target [Service] Environment=DISPLAY=:0 ...
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0answers
7 views

automatic suspend does not work in Gnome [duplicate]

I have configured automatic suspend in Settings->Power, then one hour later nothing happen when the suspend time came. I checked the internet for some information and found there is a bug in Gnome ...
0
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0answers
42 views

Automatic sleep not working in Gnome

I have configured automatic suspend in Settings->Power, then one hour later nothing happen when the suspend time came. I checked the internet for some information and found there is a bug in Gnome ...
0
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0answers
201 views

Resume from Suspend/Hibernate issues

I have a peculiar problem while trying to resume from both suspend and hibernate. I believe the problem to be within the kernel itself since I have tried different distros (Ubuntu, Suse, Mageia) on ...
2
votes
2answers
946 views

How to suspend with a keyboard shortcut?

I would like to suspend my xubuntu (14.04) system from a keyboard shorcut without entering my superuser password (sudo). I'm looking a command line which I can convert to a shortcut. So far, I tried ...
0
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1answer
191 views

Hard disk drive spins up on laptop sleep/wake, can I stop it doing this?

I have in my Arch Linux-running laptop an SSD and an HDD; the latter I use seldom. It is mounted as /mnt/sdb5 and configured to spin down proactively when on battery (/etc/default/tlp, ...
3
votes
1answer
46 views

How can I ignore KDE's power-saving features for certain programs?

I want to use KDE Power Saving capabilities on my Desktop computer, such as suspend and screen-off. But, I want these capabilities be enabled only when some programs aren't running; for instance, I ...
3
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0answers
93 views

Play sound when suspending and resuming

I'm trying to get my sound theme all working how I want it. Reading the sound naming spec by freedesktop, it has an entry "suspend-start" and "suspend-end", which is supposed to fire when the ...
1
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1answer
503 views

How to suspend an USB device?

I want to suspend a connected USB device at my pc manually. I tried the following instructions in Debian (Kernel 3.2.0). uname output: Linux debian7-dev-gnome 3.2.0-4-686-pae #1 SMP Debian ...
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0answers
243 views

Debian wheezy FN key inverted after resume from suspend

I have debian wheezy installed on my new laptop (Toshiba Satellite L70), with Kernel 3.14 from backports. After I resume from suspend, all function keys (F1 - F12) behaviour is inverted, for example, ...
2
votes
1answer
62 views

Suspend from console without leaving authenticated terminam on wake up

I want to suspend my computer from terminal (one obtained by CTR+ALT+F1). If I call: # echo -n mem > /sys/power/state after wakeup I'm leaving authenticated console with (possibly) root ...
0
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0answers
189 views

pm-suspend fails to wake up

I use pm-suspend on Debian 7.5. Most of the time everything works perfect, but sometimes it fails to wake up. The fans spin up, even the hard disk shows activity, but there is only a blank screen. ...
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0answers
169 views

Kermit locked after suspend

I use kermit to communicate through RS-232 with my embedded system target. My host is Ubuntu 14.04. Every time I suspend my host while kermit still is connected to the target, I cannot reconnect with ...
4
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1answer
67 views

How can I tell what woke my laptop from suspend? [duplicate]

On other operating systems, there are ways to see what process or event woke them from suspend. I leave my laptop often for multiple days in suspend, sometimes to find that it has woken itself up and ...
6
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3answers
559 views

How to find reason a notebook wakes up?

I'm having a problem with my notebook suspending, but then waking up when I don't want it to (either immediately, or much later when in the bag - I may have two issues to solve here). But for the ...
2
votes
1answer
655 views

Touchpad doesn't wake up from suspend

I've been trying to figure out how I can make my touchpad work after waking up from suspend. Until recently I could at least reactivate it by typing: ls /lib/modules/`uname ...
9
votes
1answer
274 views

How to prevent the Linux kernel from waking a secondary HDD from sleep

Is there a way to instruct the (Linux) kernel not to wake up a secondary hdd after a system sleep/wake-up cycle? I'm asking because in my laptop I have an SSD as a primary drive containing the system ...