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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USB ports stop working after resumming from suspension - Xubuntu 14.04

I have a Lenovo S20-30 laptop (bought in February 2015) and installed Ubuntu 14.04 (then Xubuntu) alongside windows. I don't use Windows now. Everything seems fine except when I suspend the laptop ...
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1answer
2k views

Ubuntu 15.04 suspends ~30 seconds after resume

I just upgraded yesterday to 15.04 from 14.10 using sudo do-release-upgrade -d. My computer suspends and resumes with no trouble, however every time I resume, after about 30 seconds the computer goes ...
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1answer
78 views

sleep getting hang in shell script

I had a cron script running on my Ubuntu PC ( 12.04.3 ) which periodically checks for disk space. There was a "sleep 5" also used in this script. This system was up for a month, but an issue is ...
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27 views

ubuntu can not boot after suspend

If I suspended ubuntu, it can be waked up and works well. But I can't restart it, there would be a black screen with a cursor blinking. If I insert the live-usb and reboot with it, then try ubuntu, ...
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1answer
71 views

Ubuntu Shutdown Timeout too short

I am using Ubuntu 14.04.2. I have Virtual Box 4.3.26 installed running a headless CentOS VM. I use the vboxautostart-service to start and save the virtual box at startup and shutdown as described ...
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27 views

suspended HDD spins up before system suspend

I'm booting Ubuntu 14.10 from the SSD ("sdb") in my notebook. As a second drive I have an HDD ("sda") which is kept on standby via entry in /etc/hdparm.conf: /dev/sda { poweron_standby = on ...
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117 views

14.10 Black Screen on Resume

I recently installed 14.10 on my dell latitude e6510. The machine is running an i5-540m, NVS3100M, Vertex turbo SSD, 6GB RAM, and an intel wifi link 5100AGN wireless card. Every few resumes from ...
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1answer
246 views

This session is locked - problem

When I try to login after resuming from a suspend, I get this message with a huge lock icon. This session is locked - you will be redirected to the unlock dialog automatically in a few seconds ...
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1answer
130 views

How to prevent an unintended resume from suspend (Lenovo x240)?

Updated 2015-04-19, 15:56 - I am using a Lenovo x240 notebook and the problem is valid for Ubuntu 14.04 and 14.10 at least. General description of the problem If I close the notebook's lid the ...
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16 views

Wakes into comatose state from suspend

I am running 14.04 from a USB stick on an ASROCK MOBO. When I put the system into suspend, it successfully stays in suspend, but when I jostle the mouse or press keys on the keyboard, it fires up the ...
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1answer
90 views

Like Mac. Close Tap (lid) and active hybrid-suspend 14.04

I would like to configure my OS, to Close the lid of the laptop, block the access and later of 10 or 20 minute active hybrid-suspend. someone can help?.. I know to close the lid and active the ...
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39 views

WiFi Drops Out after Suspend

I have a Fujitsu Siemens V5535 loaded with ubuntu 14.10. Of course, it's a netbook, and I'm pretty happy with how it's survived, despite all I've put it through. So overall, I'm pretty happy with it, ...
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1answer
53 views

Resume from suspend not working on Macbook Pro 5,5 with Nouveau

Resume from suspend used to work perfectly on my Macbook Pro 5,5. I was using the Nvidia graphics driver, which had really bad support for OpenGL, so I purged the Nvidia driver switched to the open ...
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1answer
83 views

Web video (YouTube, etc) doesn't play in Chrome after suspend

I'm running Ubuntu 14.10 and nvidia-346 driver After a suspend, all websites doesn't play video in Chrome. Firefox appears to still play video. The video still loads. If I "click forward in time" ...
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1answer
992 views

How do I stop the screen from being locked on resume on Kubuntu/KDE?

Per How do I stop the screen from being locked on suspend? I want to be able to sleep and resume without the screen locking. All the previous answers seem to involve fairly Gnome-specific things that ...
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33 views

Ubuntu 14.04.1 LTS nic seems to to go to sleep or hibernate

We have this virtual computer but it seems to either go to sleep or hibernate when idle. We dont have any issues with our other VMs on this host but they are Windows. If someone is in it or working ...
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2answers
92 views

Unsuspend process that was not launched from terminal

I start emacs from my init script upon login. Every now and then I accidentally suspend it with ctrl+z, and I don't know how to recover from that. Had I started from the terminal, jobs and fg would ...
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2answers
58 views

Problem with “suspend”

A few months ago I bought a Dell PowerEdge T320 (Intel Xeon E5-2403) which came with Windows Server 2012. I removed that and installed Ubuntu. But in Ubuntu when I try to put the system to suspend, it ...
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99 views

Ubuntu 14.04 problems with suspend and hibernate while using NVIDIA profile instide of intel profile

First I hope it isn't duplicated question... but I have been searching for a week but no solution for my problem. I have HP laptop with Hybrid graphics for Intel and Nvidia I enabled hibernate when ...
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35 views

Ubuntu sleeps when power cable is removed

I just installed Ubuntu 14.04 on a Macbook 5,2. It works fairly well except that when the power cable is unplugged the desktop logs out, prompting the password menu and in less than a second the ...
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55 views

CUDA not working after returning laptop from sleep

I have installed cuda 7 toolkit with newest driver, and it passed all the tests, it seems that driver is loaded, but every time when I just put my laptop to sleep, and wake it up from sleep, cuda ...
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32 views

Gnome Blank Screen Power Setting Option

I am using Ubuntu Gnome 14.10 and I am having problems with the blank screen option. I expect Gnome to blank the screen and lock my computer when I close the lid. However, it somehow suspends the ...
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39 views

ubuntu hangs after installing nvidia driver

I installed ubuntu 14.1 few days ago and today changed Nvidia driver to this I noticed that after that ubuntu got slower, cooler got noisier and hotter also...But, main problem is that system hangs ...
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221 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 ...
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94 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 ...
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19 views

Desktop freezes when Suspend is clicked

When I open the Power Menu in the top right and click Suspend, the computer immediately freezes. I am left unable to use the mouse or keyboard, and the Suspend menu item stays selected but nothing ...
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59 views

LDAP network connection lost when lid is closed Ubuntu 14.04.2

I have a question about suspend process. I installed Ubuntu 14.04.2 and LDAP client on my laptop, when I logged in via my LDAP user and close laptop's lid and when I open lid of laptop my network ...
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45 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 ...
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48 views

How to remove the “gnome friendly” way to suspend from the command line

I tried to follow this post to allow me to suspend my computer from the terminal: How can I suspend/hibernate from command line? However, this has ended up screwing my system as now I'm unable to ...
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1answer
85 views

ubuntu 14.10 issue with suspend

I have a Acer Aspire E5-571G-52FL and when try to suspend (when lid is closed for example) it not wake up after that. Only black screen and nothing. Could you please help? Thanks! 3.16.0-33-generic ...
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54 views

Battery drains fast when it is suspended

I installed Ubuntu MATE 14.04 around a weak ago, and have had some problems. When I suspend the computer, it still drains battery faster than I think is correct. The battery is supposed to last ...
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43 views

Can't open google chrome after suspend

I installed Ubuntu MATE 14.04 around a weak ago, and have had some problems. Sometimes I can't open the google chrome I have, when I log on after it has been suspened. When I click on the google ...
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22 views

Networkproblems after suspend

I installed Ubuntu MATE 14.04 around a weak ago, and have had some problems. Sometimes after it has gone into suspend by itself (black screen and I have to log in again), the network won't work. This ...
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0answers
149 views

can't wake up after suspension

I suspended Ubuntu 14.04 on Thinkpad T400 last night, but this morning when I tried to wake it up, I heard a little sound which is normal when it wakes up, and then the screen keeps black as if it ...
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1answer
107 views

Problems with mi WiFi connection

I would like to ask you for help with my WiFi connection. My problem looks like this: After I turn on my laptop or after reboot everything works fine. But after suspend my WiFi works about 6 ...
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152 views

wifi resume from suspend on Toshiba Satellite C50-B-14D

I installed Ubuntu 14.04.2 on a Toshiba Satellite C50-B-14D: http://www.toshiba.co.uk/laptops/satellite/c50-b/satellite-c50-b-14d/ One issue I am facing with is that when I resume from suspend, the ...
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1answer
212 views

Ubuntu MATE 14.04 and suspend error

I just installed Ubuntu MATE 14.04 on my computer 6 days ago, but have experienced that when I put it in suspend, it still empties the battery in a short time (the battery was half full, 4 hours, and ...
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1answer
34 views

Notebook suspends only once

My ASUS U38DT performs suspend (after closing lid or choosin option) only once after reboot. Second time at the same session suspend doesn't happen. Wed Apr 1 00:21:45 MSK 2015: performing suspend ...
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103 views

Ubuntu 14.04: Suspend, Hibernate and Suspend-hybrid in the menu?

I followed the documentation at https://help.ubuntu.com/14.04/ubuntu-help/power-hibernate.html to enable Hibernate in the menu. I would like to have ALL three options Suspend, Hibernate and ...
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0answers
46 views

How to permit laptop resume with lid closed

I have a Lenovo T520 that suspends and resumes perfectly on lid open/close. But I would like to be able to have rtcwake wake up the laptop during the night to perform a backup but the laptop goes back ...
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0answers
71 views

Synaptics clickpad keys occassionally messed up on X240

I'm running Ubuntu 14.10 on my Lenovo Thinkpad X240. Since I dislike the new clickpad and because I use the trackpoint always anyway, I disabled the trackpad functionality and only kept the button ...
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44 views

resume from suspend - HDMI is ok / internal display is off

I know there is an issue with wake from suspend in which display will not work, requireing manual reboot. I have yet to see an answer about this issue. So on waking from suspend, my internal display ...
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2answers
155 views

Prevent shutdown when tvheadend recording / KDE session is active

I am searching for a way to prevent shutdown/standby when tvheadend (or vdr) is currently recording. What I found until now is Prevent shutdown when rsnapshot is running: Which I don't like because ...
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0answers
61 views

Random black screen when waking up from suspension on Ubuntu 14.10 64bits

Sometimes when waking up from suspension, screen keeps black but I have mouse and can switch to console by doing Ctrl-Alt-F1, but I have no login screen. I noticed this happen mostly when I suspend ...
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42 views

What is tpm_infineon and why does disabling it fix my pm-suspend problem?

I'm using Ubuntu 14.04 and my laptop (HP8460P) recently stopped suspending. I'm not sure when exactly this happened, or what prompted it. After toying around a little, I've traced everything to a ...
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2answers
54 views

Ubuntu Suspend Problem

For some reason Ubuntu won't start after Suspend. I can hear something running in the computer, but nothing shows up on the screen and nothing is happening. I need to turn it off and start it again ...
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0answers
32 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?
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1answer
114 views

Lubuntu will suspend but won't wake up

Ok, this has been asked before, but my circumstances are different. First, here is my hardware. I'm using it as a headless server which I access over LAN with VNC. When it sits idle for 10-15 ...
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0answers
70 views

Mouse and keyboard unresponsive on resume on Ubuntu 14.10

I'm running Ubuntu 14.10 on an Asus R510 notebook. I have an intermittent issue where I will suspend the laptop and when I resume it the keyboard and touchpad will not respond --however I'm able to ...
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3answers
213 views

How can I wake up my computer from suspend?

After the latest update, my machine isn't waking up from suspend, and I have to hard-reboot it. This only happens sometimes, and I can't tell under what exact circumstances it happens. I think it's ...