Debian :: Text Mode Power Management?
Mar 16, 2011
I recently converted a Toshiba Satellite A75 notebook with a broken screen into a minecraft server that me and my friends will be using at UAB. It's currently running the latest version of Debian in text-mode with a few shell scripts that backup files and update a webpage at specified times.
The server runs fantastic ( though it's currently on my home network so no one can join it unless they are on LAN ) but there is a minor problem. I took a look at the backups from last night and it seems the server shut down around 10:00 in the morning because the laptop went into sleep/hibernate mode or something like that. I'm not sure what's causing this exactly but I think it's some setting in gnome-power-manager, but I can't run it in text mode.
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Mar 31, 2010
I have to questions: I am new with Linux and using ubuntu on my laptop computer. when i reopen my leptops cover after i closed it, meaning - putting computer to sleep, every thing is working, but the screen is black and nothing is seen. No matter what i tried to do, i cant make it to "wake up".
Using the computers battery, with no electric supply, the battery time is only half of what i get when using windows. i tried using less lumination but it didnt seem to help.
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Oct 8, 2010
Whatever settings I use in the power manager, (Ubuntu default Gnome Power Manager) nothing appears to change. Screen brightness does not change when moving the slider, but is reduced after 5 or 10 minutes (haven't timed it. Probably whatever is default) of inactivity, even though the reduce screen brightness checkbox is unchecked. The latter is pretty annoying when watching online TV streams, especially since the video also exits full screen mode when the screen brightness is reduced.
The weird thing is, as the title implies, that when booting in recovery mode with FailsafeX the power settings seems to work. At least the screen brightness varies as the slider is moved I should probably mention that it is possible even in normal mode to adjust the screen brightness by using the buttons for adjusting screen brightness on my laptop (Fn + arrow up/down)
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Mar 5, 2016
I have recently upgraded the hardware of my zenbook from i5 to i7. Unfortunately the battery discharges very fast (30 min instead 3 h with i5) because the system turns all time at maximum speed (I guess).
Is there any power management update for Debian Jessie8.3 on i7 processors?
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Feb 6, 2011
I'm running Squeeze with Gnome & GDM3. After 1 h my laptop automatically suspends while in the login screen (GDM3; so no user login). I want to prevent that, since this machine also has a server role. how this can be prevented?
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Feb 19, 2010
I am trying to figure out where the harddisk power management can be found in Squeeze. Before it was in the scripts under /etc/acpi, but in Squeeze it's not. I'd like to be able to change the hdparm -B value from 128 to 200 when using battery.
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Jan 1, 2011
I disable that from the gnome power management utility screen go black after 10 minute. It's very annoying since I cannot watch a movie in that way!
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Feb 7, 2016
On a fresh install of Debian 8 with XFCE (with a NVIDIA GeForce 210 according to lspci, and a P7P55D Asus mainboard), I just added a second monitor. This second monitor does not switches off even though the first one does due to the Screensaver Preferences → Advanced → Off After 3 minutes.
The new screen is a HP Pavilion 25xw plugged in using a HDMI cord.
The old screen is a Philips 190S plugged in using a VGA cord.
The new screen (HP on HDMI) only goes blank when the old one (Philips VGA) turns off.
Two tests:
- on the same machine, I also have Windows XP: both screens turns off at the same time with the power management.
- I tried on Debian: Code: Select allsleep 5 && xrandr --output HDMI-1 –off
It turns off the second monitor, so I know that it is possible to turn it off from my Debian.
How to set up the system so that both monitors power off when the machine is not used?
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May 28, 2010
On the last release, I had this app installed where I could pick my power profile. I could use power conservatively, and performance would suffer a bit, but longer batt life,or I could have it automatically detect, or I could have the apps use all the power they want and then some. I'm looking to reinstall that app. What was the name of it?I can't remember, and so far, can't find.
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Dec 27, 2015
I've recently changed to Debian from Windows, it's a really great adventure so far, but I have one problem. So as I see you can set your monitor into "Blank Page" after 10 or any minutes to save power, like in Windows. 10 minutes passes, without any movement my monitor's led turns into orange and the monitor turns off, that's great, that's what i want.
But after a few seconds the led turns green (like when it's on), and it brings up a little box : "Power Saving Mode" (just like it did after 10 minutes), and it turns off, and then stars again from the beginning . And this goes on repeatedly until a move my mouse to get back from "Blank page" state. (It's like the monitor tries going into power saving mode, but it gets always a little bit of power, to show that text box, and start all over.) So what can I do? I use debian 8.0 "jessie", and my monitor is a LG L1750S(with Nvidia GeForce 9600 GT).
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Oct 14, 2015
When I login over ssh or when I open a local text shell I can't get dircolors to show up.
If I open a shell in an X-Session the dircolors are there. Also, colors work fine over text mode and SSH, in both of them VIM works perfectly fine with my colorfull configurations.
This is the session I get when I do a remote login over SSH:
Code: Select allremote ~ % echo $TERM
screen-256color
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Sep 29, 2015
I use Scribus for designing leaflets and broshures. Unfortunately with the most recent version in the stable branch the program crashes each time I try to edit text in layout mode. I didn't have this problem in older versions. So I wonder if this is a bug others noticed in Scribus 1.4.4 on Debian GNU/Linux 8 (jessie) 32-bit.
For normal text editing I use the text edit mode anyway but when I try to fix line breaks it's always hard to not instantly see what I am doing. So even if I just want to insert a single character the program crashes with the following message: Scribus crashes due to Signal #11
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Mar 21, 2010
I have selected to power down the monitor after 30 minutes, and suspend the computer after an hour. It does not work. With Beagle not running (more below), the monitor powers down after 30 minutes as expected. But then later (probably after an hour?) it powers up again and stays that way. Not exactly what I envisioned.I have removed Beagle from the set of running processes. The process list ("ps ax") shows Beagle as a serious consumer of CPU time, far more than any other process. (At termination it was at 500:00; the next most hungry process was /usr/bin/Xorg at 10:00. Most barely get over 0:01.) It introduces these problems:
1. after some amount of system idle time (it is about 5 - 10 minutes) Beagle starts consuming vast wodges of CPU time. I have dual core AMD 5200; both CPUs run up to about 70% usage until I do anything, like move the mouse. Then the usage drops back to the usual 5 - 10%.
2. When Beagle is thrashing the CPUs, the power management monitor thinks the system is busy. And powers down nothing.
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Sep 29, 2010
I've attached a UPS to my server through USB. and sure enough up came a tab in Power Management Preferences for the UPS -- great.
There are power low options as follows:
"When UPS power is low"
"When UPS power is critically low"
The UPS sends a message to the computer when a threshold you set in the UPS is reached, in my case 25% of battery left.
The obvious guess is that this warning from the UPS is the "When UPS power is low" however, I don't know. It's just a guess.
Looking further at the data I can get from the UPS the battery data is as follows:
battery.charge: 100
battery.charge.low: 25
battery.charge.warning: 50
battery.runtime: 760
[Code]....
However, again, that's just a guess from what would make sense.
So my first question is, is there a way to know this information, and is there a place were these critical points are set, or are they all from the UPS. I'm guess there are some settings somewhere because not all UPSs are going to be able to supply this information. Some may only supply a battery level or some just a warning message so there must be some configuration for this somewhere.
My 2nd question is a probably a little harder to know the answer to. After getting this to work I wanted the added functionality of nut so I installed it and got it working and it uses the On UPS Power panel as far as I can tell.
Through all the nut documentation it talks about powering down on once the battery level reaches the critical point (I assume that is "When UPS power is critically low"). I don't see anywhere however where it mentions handling "When UPS power is low" so now the question comes up, will it have any effect at all with nut installed, i.e. what will happen?
Of course I can just "pull the plug" and start finding this stuff out but Linux is all about having the information and "knowing" (assuming all works as it should) I am asking to find out where this information would be -- and become smarter for it
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Jan 27, 2010
Alright this is not a huge issue but a rather annoying one. I hook my laptop up to my lcd to watch movies all of the time. The problem is though I have selected and reselected many times for the screen to not power off after so many minutes of inactivity. But for some reason it doesnt work. If i set it to an 1 it still like every 5 minutes turns off my screen. Im running 9.10 on a toshiba satellite with an intel graphics card.
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May 15, 2010
I have a laptop with 10.04 installed. When it is plugged in with AC Power, the screen fades black after a few minutes and locks up after about 10 minutes (shows a dialog for passwd when back).This gets really annoying when listening a movie or just reading text.System->Preferences->Power Management is set to "never" for everything.gconf-editor->apps->gnome-power-management is set to "0" for everything finishing with *_ac.
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Sep 22, 2010
I am wanting to completely disable Power Management, can I do it through the GUI? I am a former OpenSuSE user & am use to YaST. So it is a little hard finding ways to edit some settings.
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Oct 12, 2010
I just did a fresh installation of Kubuntu 10.10 on a laptop last night, which has a 1.6GHz Intel Core Duo CPU.
I was very disappointed to find that there appears to be no way to configure CPU frequency scaling in the System Settings. There were options for this in 10.04.
I prefer to have the CPU running at maximum speed when running on A/C. In Maverick, however, I have had to resort to installing cpufreq-utils, and setting the CPU cores to 'performance' from the command line.
I like this laptop a lot, but even many simple games run sluggishly if the CPU cores are not set to run at max GHz. (As a matter of fact, this machine is much more sluggish even with CPU cores running at maximum in 10.10 than was the case in 10.04.)
I wonder why such an important option would have been removed from the power management settings?
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Dec 25, 2010
when i get the Graphics device driver on, then the power management not work. it can not change the CPU frequencies, and it can not change the LCD backlight and save the change. I try a lot, install laptop-mode-tools,and change thd setting, it still not work...
ubuntu 10.04.1
linux 2.6.32-27-generic
i5 460m CPU
ATI HD5470
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May 30, 2011
Ok, I am running a file server that can be accessed throughout the house. I was able to successfully wake from suspend and it works beautifully. Now what I need the computer to do is go to sleep after lets say 30 minutes of inactivity so that I never have to touch the computer and it will use minimal power until I need it.
Anyhow, I tried to set the settings in Power management and the only thing that happens is the display turns off. the suspend on the desktop works fine, I can type in sudo pm-suspend and that works fine. but the computer just wont go to suspend automatically by way of the power manager.
I have tried changing the /etc/pm/config.d/00sleep_module to say SLEEP_MODULE="uswsusp", but that only made the computer go into some crazy linux mode that I had to reboot from. I had to change SLEEP_MODULE="kernel" (actually, I left it blank as it is the default).
I also turned off my screensaver so there wouldn't be any confusion from that.
I also ran cat /var/log/pm-powersave.log and I got a long list with the following being one of the main texts that kept repeating. "/usr/lib/pm-utils/power.d/sched-powersave false:**sched policy powersave OFF"
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Jun 16, 2011
I'm fairly used to working with Fluxbox.There,if I want to let myself suspend the computer, all I have to do is add something like Code:[exec] (suspend) {sudo /usr/sbin/pm-suspend}to my .fluxbox/menu and it works like a charm, after having added me to the sudoers. I nstalled openbox earlier today because I was having some font rendering issues in flux and I've been trying to find a way to add something similar to my menu without success. I added this to .config/openbox/menu.xml:
Code:
<item label="suspend">
<action name="Execute">
[code]....
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Apr 17, 2010
I've got a new netbook - Dell Inspiron mini 1011. I have installed slackware 13 on it. According to dell's website its battery should last up to 9 hours:Quote:Mini 10 offers up to 9.5 hours of battery life1 to keep you on the go.I understand that it depends on a variety of factors and these are just testing estimations that will probably never be achieved IRL.For 95% of the time I don't run X on it. Just emacs (gnus), nethack, elinks. If I do run X, it's fluxbox. The average battery time is 2hrs - 2.5hrs. I understand that Slackware 13 is not designed specifically for netbooks, but 2hrs is way off the 9-hour estimation. Either the battery is faulty, or it's the power management issue. Before I deal with the battery, I'd like to ask you for some suggestions on improving the power management. The acpi and acpid are installed on the system. Are there any packages that would improve the battery performance? Or perhaps some config options?I believe that recompiling the kernel would improve it, wouldn't it? What options I'd have to set/unset?P.S.Unfortunately, once I checked the netbook is ok, I removed WinXP that came with it, so can't compare with it.
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May 4, 2011
This is very likely a silly question but .. where is the power management setup in KDE? I have set it up before in Slackware 13.1 but now that I'm running 13.37 I'd like to set it up again but can't seem to recall where to set it up.
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Dec 19, 2009
it doesn't do anything critically wrong.it shuts down, starts up, suspends, restarts, etc, rather well.only thing is that, altho' I set the settings to never hibernate and to never put the display to sleep, it does. I't's annoying, since I can't whatch a movie in peace, for instance.
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Apr 19, 2010
When I change the "Put display to sleep when in active for" it seems to make no difference. The screen goes to sleep when it wants. Some times in the middle of watching a dvd (after about 10 mins when it is set to 1 hour).Could this be done by terminal, perhaps there is a problem between entering in the GUI and actually telling the machine.
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Jul 9, 2010
I installed Fedora 13 (KDE) version: Linux version 2.6.33.5-124.fc13.i686.PAE latptop: toshiba satellite C650 - intel core i3 I have few problem, one of them is the power management it seems the power management can't see the battery therefore not battery status. power profile isn;t working. after shutting down the system, the computer stays on (screen, hdd ..etc) until I press the "turn on button". also I cant change the screen brightness using power management..its fixed.I dont know whats the problem and i dont know how to fix it.
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May 28, 2011
I just did an upgrade from F13 to F14.[*] Now, power management (in Gnome) does not work any more. For example, when pressing the power button, there is just a 'Cancel' button (no button for shut down, suspend, hibernate), in Gnome menu there is no possibility to shut down, and in 'gnome-power-preferences' most options do not work at all. For example, there is no other option than 'Blank screen' for 'When laptop lid is closed' action. When starting 'gnome-power-preferences' with '--verbose' parameter, I get following error messages:
Code:
Cannot add option, as cannot suspend.
...
[code]....
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May 22, 2011
I've got openSUSE 11.4 64 bit system with stable 2.6.38 kernel and KDE 4.6.3. Problem is that when I want to change some settings in the power management (like brightness, screen energy saving time-off, display dim), they doesn't seem to save, even after the X restart and full reboot. It's seems like screen energy saving is set permanently for couple of minutes, don't matter what time do i set, it just discards my settings, even they are correctly viewed in the gui.
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Apr 2, 2010
I've just installed openSuSE 11.2, and I need to disable the feature that causes the laptop to suspend when you close the lid (and it's plugged in to the wall). I've already done this for my user profile, and I've attempted to do it for the root profile, as well, but when the GDM login screen is shown, the laptop still suspends when you close the lid.
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Apr 20, 2010
After I have installed the Education package I cannot put my HP Pavilion laptop to sleep mode. I opened the Power Management and I can see the red light next to "CPU can be turn off". Also, when I close laptop lid it doesn't go to "Suspend to RAM" mode it still spin the fan.
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