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

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176 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
75 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
643 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
727 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
281 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 ...
4
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3answers
403 views

A way for saving running state of a program

I have a program that will perform a lengthy calculation which may take several days to be completed. Is there a way to save the program's running state; so I will be able to turn off the computer ...
3
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0answers
2k views

Linux Mint 16 randomly freezing and freezes always after suspend wakeup

I've just installed Linux Mint 16 Cinnamon on Dell Latitude E6420. During an hour of use the desktop would become unresponsive and I was unable to access any TTY. It just froze up. The same thing ...
3
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3answers
146 views

Intelligently switch between multiple BASH processes

Say you're in a directory and you want to check something in another directory, so you type bash to spawn a new shell so you can cd and check that thing and then type exit to get out and go back to ...
2
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0answers
392 views

Linux Mint 16: Petra - Can't wake from hibernate

I have used Linux Mint 16 Petra - cinammon version for a few months. At first hibernate worked pretty well. Now I cannot wake from it - when I try to, the screen just goes blank and nothing responds ...
2
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1answer
237 views

Locking console when computer suspends/hibernates

In X I've used the following script (from here) to lock the computer with i3lock each time pm-suspend or pm-hibernate are invoked. /etc/pm/sleep.d/00screensaver-lock: #!/bin/sh # ...
2
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0answers
113 views

Suspend Linux (Mint) with external hard drive plugged in

I simply try to suspend the session while my external hard drive is plugged in (doesn't matter whether I have mounted or dismounted it, and this error does not apply to other filesystems, like flash ...
3
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1answer
2k views

Not wake up after suspension

My OS is Ubuntu 12.04 on my laptop Lenovo T400. I had been using it quite well until this week. After suspending Ubuntu, whenever I lift the laptop lid (if the lid is closed), or press "Fn" key (if ...
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3answers
381 views

Is there a risk of data corruption if suspended laptop runs out of battery?

I often tend to just put my laptop on suspend using xfce4-power-manager, and although usually the battery is sufficiently charged up until the next time (when I plug in the charger), sometimes I ...
5
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1answer
2k views

“Memory corruption detected in low memory” kernel messages?

I have some memory corruption detected in low memory messages. I have read about it here, but I'm afraid I can't really make anything out of the discussion. It does indeed happen when I ...
0
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2answers
99 views

Command to prevent suspend while another command executes?

Is there a command to prevent the suspending of a system while another command executes? For example; lets say I have an upload that I want to complete but it gets interrupted because of my machine ...
2
votes
1answer
351 views

Arch sometimes won't suspend

Sometimes the computer won't auto-suspend when the lid has been closed. When this happens re-closing the lid won't make it suspend until next reboot. After the reboot the auto-suspend works again. ...
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2answers
5k views

How to lock my session in Xfce?

I am looking a simple way to lock my session in Xfce (Debian Unstable). I don't want to have to write my password at every wake-up but I want to be able to press to a shortcut (which launches a ...
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0answers
403 views

Suspend-to-ram fails on Gentoo with i915

I am struggling with suspend-to-ram on my Acer Aspire V3 772G with Gentoo. My configuration: Gentoo 3.12.5 kernel (.config) /etc/portage/make.conf Portage world file 1) It works in Windows 7 and ...
3
votes
2answers
390 views

Auto restart ssh session after sleep

I have an active ssh session to a remote server that it would be nice to be able to restart upon waking from sleep/hibernate (ubuntu), and seamlessly restore tunnels. The Gnome Terminal window is ...
8
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3answers
1k views

Samsung Ultra book won't wake up after hibernate and suspend on Crunchbang

I've been struggling for a few hours to get suspend and hibernate working on my Samsung ATIV BOOK 9 Lite. When I try to resume the screen power led goes on, but screen stays black. The capslock led ...
7
votes
1answer
578 views

Auto-Mounting CIFS Shares on Laptop

I've seen questions similar to this asked before in several variations, but I have yet to locate a satisfactory answer. Here's what I have: A highly mobile Debian laptop that switches networks ...
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0answers
58 views

Ubuntu Precise — suspend wedges GDM — help!

I've been a very happy Ubuntu user for many years, and worked my way past any number of problems, but I've never seen anything like this. Recently I got a new machine and installed 12.04 Precise on ...
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273 views

Configuring what commands xfce4-session-logout runs

The suspend command run when selecting ‘suspend’ from xfce4-session-logout does not work on my machine. I need it to run s2ram -f -a 1. Where do I change what is being run to suspend the system?
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1answer
3k views

Linux Mint 15: Oliva can't wake from suspend/hibernate?

As most issues people have had, I can't wake my laptop from suspend or hibernate mode. The computer goes to the lock screen and then freezes up to the point where the mouse won't move, forcing me to ...
2
votes
1answer
881 views

LinuxMint15: Suspend to RAM not working

I just installed LinuxMint15 on an Acer Aspire V3-771G-73638G500Maii. Hibernation works. But suspend to RAM does not. When clicking suspend: After a few seconds the screen goes grey and then off. ...
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1answer
412 views

How to trigger mount/umount before/after hibernation?

How to trigger mount/umount before/after hibernation? I use s2disk. Note: Debian
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3answers
14k views

How to disable USB autosuspend on kernel 3.7.10 or above?

I've updated my HTPC from kernel 3.7.10 to 3.10.7 and it seems CONFIG_USB_SUSPEND is now gone from the kernel options and included in PM. The main problem I'm facing is that I have an external HDD ...
2
votes
2answers
789 views

command not running in cron (systemctl suspend)

I have this cronjob set : * * * * * /usr/bin/systemctl suspend And it is not working. But I can run it in a shell and it works. I don't understand what could be not working. EDIT Redirecting error ...
12
votes
1answer
2k views

How do I make my laptop sleep when it reaches some low battery threshold?

I'm using Ubuntu, but I have i3 as my window manager. Under i3, when my battery reaches 0%, the computer will just abruptly shut down, no warning or anything. Is there a simple script or ...
4
votes
1answer
2k views

Where is the log for ACPI events?

Running Mint 14. Sometimes I can suspend fine, but after my computer is on for a while, it no longer suspends. It wakes up after a second or so without any external inputs. My guess is that I'm ...
5
votes
1answer
4k views

suspend AND lock screen on closing lid in arch/systemd

what is the most straightforward way to lock the screen AND suspend when closing the lid? I'm using event hooks in /etc/systemd/logind.conf and successfully suspend upon closing the lid. However I'm ...
3
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0answers
176 views

how to stop Clementine playback on suspend using systemd

As the title says, I'm trying to stop Clementine playback using DBus before entering suspend mode. Here is my service file right now: [Unit] Description=Stop Clementine playback before suspend ...
2
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0answers
239 views

Waking an Ibook G4 (powerpc) running Debian Linux from suspend based on timer

I have recently received an Ibook G4 from a friend. I plan to use it as a server and have installed Debian Wheezy (7.0.0, release version) on it. However, I would like to suspend it at some points ...
4
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2answers
468 views

How to encrypt my system such that suspend to RAM works and is also encrypted

How can I encrypt my system (at best using lvm + dm-crypt/luks) such that suspend to RAM works and that everything is in an encrypted state when suspended to RAM?
3
votes
2answers
1k views

Screen very dim after resume from suspend

I'm unable to resume from 'Suspend to RAM'. It resumes properly, albeit with a very very dim screen (so dim I can barely make out the desktop). Trying to brighten the screen using the Fn keys doesn't ...
0
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1answer
68 views

Changing suspend order on OpenSUSE 12.2

This question seems more relevant here than SO. I've been trying to debug a library that X uses through a GDB session that I'm running through SSH, but it seems that on OpenSUSE, the SSH session is ...
4
votes
1answer
583 views

Suspending laptop fails ~50% of the time

Running ArchLinux and GNOME 3 on a Thinkpad X220. When I suspend my laptop it goes into sleep mode and the LED ring around the power button fades in and out. When a suspend fails, the LED ring and ...
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1answer
290 views

A drive changes device file name after resuming from suspend (Linux Mint 14)

I'm running into a very odd problem: When I resume Mint 14 from suspend, one of my drives (/dev/sdc) changes letter / device file name (to /dev/sdd). fdisk -l shows that it has the same partitions, ...
2
votes
1answer
91 views

Can e2fsck be suspended?

I have a large hard disk partition. I would like to launch e2fsck on it so that i shall suspend its progress, be able to reboot and resume e2fsck from where it was suspended.
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4answers
2k views

Where to put scripts that run when computer is resumed?

I need to lock the screen when my computer is waken up from memory suspend, So I tried to put the following script to /usr/lib/pm-utils/sleep.d and /etc/pm/sleep.d, but it never got executed, ...
3
votes
1answer
155 views

Turn on PC speaker after resume

After resuming from suspend my PC speaker becomes silent. I need to run alsamixer and arbitrarily adjust its volume either up or down for it to come back again. But if I suspend and then resume a ...
8
votes
2answers
629 views

System-wide power management policy on debian-based distros?

I would like to put idle machines in our lab (running Mint Debian edition) on standby after a timeout. I have tried pm-suspend and it puts the machines on standby and wakes up fine. Does anybody know ...
3
votes
1answer
593 views

Kubuntu doesn't reconnect to Wifi after waking up from sleep

I just installed Kubuntu on my laptop and it's working fine so far, except the wireless connection is not switched on after waking up from sleep. I do have to click "Enable wireless" so that it ...
39
votes
1answer
35k views

How to disable auto suspend when I close laptop lid?

I'm using archlinux. It never auto-suspend before a recent system upgrade(maybe I updated the kernel?). I think it is related to laptop-mode or acpid, so I stop them: /etc/rc.d/laptop-mode stop ...
1
vote
1answer
358 views

Thinkpad T400: Suspend to HD doesn't resume

I've got a Thinkpad T400 with Gentoo Linux installed. Suspend-to-RAM works like a charm. However, Susped-to-Disk doesn't work: if I suspend, the Laptop powers down and accesses the HD for around 30s. ...
1
vote
2answers
371 views

Can't set a blacklist for usb autosuspending

I'm trying to disable usb autosuspend for my wireless USB mouse: CONTROL_USB_AUTOSUSPEND="auto" AUTOSUSPEND_USE_WHITELIST=0 AUTOSUSPEND_USBID_BLACKIST="046d:c52f" I already put these values to ...
8
votes
1answer
556 views

Is it possible to automatically wake from suspend?

Here's my problem: I have a laptop running Arch that I just keep on at home. It's got a good 4 hour battery life, but sometimes my daughter is playing near where it's kept and ends out pulling the ...
2
votes
3answers
2k views

Arch suspend when I close laptop lid?

I'm in fluxbox on Arch on a Macbook 5,1. New to linux. I'm trying to get Arch to suspend when I close my laptop. Lately I've just been using sudo pm-suspend. I installed slimlock, and inserted ...
2
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0answers
906 views

Black screen on resume from suspend to RAM

This is my first post so please bear with me. I have Xubuntu(12.04) and Fedora17KDE spin installed on my netbook. While Xubuntu wakes up neatly, Fedora gets stuck at the black screen while resuming. ...
3
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0answers
188 views

Sleep key stops working after some time

I've got a "Sleep" key on my keyboard that I use to suspend the system when I'm away from the computer for a longer time. This works fine, at least for a while after I've turned the computer on. ...