ACPI (Advanced Configuration and Power Interface) is a standard for power management.

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2
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2answers
76 views

What does the change of the clocksource influence?

The output of cat /sys/devices/system/clocksource/clocksource0/available_clocksource lists the available hardware clocks. I have changed the clocks, without any visible difference. sudo /bin/sh -c ...
0
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0answers
67 views

acpi_listen: can't open socket /var/run/acpid.socket: No such file or directory

I need to use the acpi_listen command. It wasn't installed so I did: pacman -S acpid Then when I run the command acpi_listen I get: acpi_listen: can't open socket /var/run/acpid.socket: No such ...
1
vote
1answer
235 views

CentOS 7 cpupower not setting the CPU's to maximum

On my machine, i have power savings disable on the BIOS. When I run Ubuntu on this machine, the CPU's are running maximum at 2100 MHz. However, when I'm running CentOS 7, even with the scaling ...
1
vote
1answer
115 views

Fedora 20 ACPI issues on black screen before log on

I installed Fedora 20 64-bit with the standard Gnome3 desktop environment and while booting a black screen is displayed with 4 messages in the following form: Failed to find handle for ACPI object ...
0
votes
1answer
253 views

Graceful shutdown via power button

I want to be able to shutdown my CentOS 7 machine by pressing the power button. Since it doesn't work out of the box, I tried the following: yum -y install acpid service acpid start chkconfig acpid ...
1
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0answers
10 views

skip pam_fprintd.so with closed lid

I really love fprintd and I really love having my laptop closed while in docking station. But I hate both together. This is my /etc/pam.d/system-auth: auth sufficient pam_fprintd.so ...
1
vote
1answer
579 views

xfce4-power-manager not updating; ACPI finding an unknown battery but working fine?

I recently upgraded my Asus S56CA Ultrabook and unfortunately my battery indicator in xfce4 stopped working. I am running Debian 8 (Jessie). uname -a gives me this: Linux 3.14-2-amd64 #1 SMP Debian ...
1
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1answer
307 views

Disabling screen blanking in GNOME 3

We are using a Debian 7 machine with the default GNOME 3 installation to display content on an information display. This display needs to remain on until the connected computer is switched off. ...
2
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0answers
48 views

Acpitool no information

When I run as root acpitool I recieved Battery is not present, bailing out. AC adapter : <info not available> Thermal info : <not available> I can understand why all the ...
1
vote
1answer
447 views

Changing systemd HandleLidSwitch setting during run-time?

The setting HandleLidSwitch is defined in /etc/systemd/logind.conf as follows: HandleLidSwitch=<hibernate,ignore,...> The setting is applied successfully on boot. However, I would like to ...
0
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0answers
169 views

acpi, pm-util and xautolock all happy together

I'm currently using the xfce4 power manager on my laptop to manage sleeping and screen locking and dimming and all that good stuff. But I get the feeling that this is just some candy on top of the ...
1
vote
3answers
239 views

How can one make a laptop remain pingable and continue running its daemons even after the lid is closed?

I'm running Ubuntu 12.04 server on a laptop, and I'm pinging it from another machine. Whenever I close the lid, the pings stop getting responses, and when I open it again, they resume receiving them. ...
2
votes
1answer
2k views

How to change Power button shutdown action

I use Mageia ver 4 Linux as server, without X started and without any user login-in during normal operation. This PC has a special card for measuring and control of other devices. This card has its ...
3
votes
2answers
6k views

Why does Linux have poor battery life by default compared to Windows?

Is there something inherent to Linux operating systems that makes them poor managers of battery power by default? I would have thought a light distro like Lubuntu would have a clear battery life ...
2
votes
1answer
1k views

How to check if my battery is healthy?

My Lenovo ThinkPad T61 is rather old, and a couple of years ago I had to replace the battery as the old one was dead. Now the replacement battery seems like dying a slow death, but I get conflicting ...
0
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0answers
13 views

Having driver load after lid opens

I am running crunchbang OS, I need to load the wifi adapter's realtek driver when open the lid since it removes itself every time I close the laptop. Is it better to put the start up script inside ...
1
vote
1answer
3k views

What do the kernel parameters acpi_osi=linux and acpi_backlight=vendor do?

I had troubles with the screen brightness control in my laptop and I fixed it by adding the acpi_osi=linux and acpi_backlight=vendorparameters to the filegrub.cfg. I'd like to know what these ...
1
vote
2answers
835 views

Bash script to adjust brightness when battery unplugged

I am trying to set up my system and to get some practice with scripting and the like. I am running Linux Mint 16 on a Samsung RC520 laptop (Linux 3.11.0-12-generic x86_64). I want to implement a ...
1
vote
1answer
844 views

Intel Turbo Boost apparently activated for no reason?

The other day, I reinstalled my operating system (Crunchbang, fork of Debian). For some reason my fan has been running at full speed (and blowing colder-than-room-temperature air) even though I'm ...
1
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1answer
280 views

Is there any way to get Intel i915 graphics without ACPI?

I've got an old tablet PC that panics on boot with ACPI GPE storms. It boots just fine with acpi=off in the kernel arguments, however I've never been able to get the Intel i915 accelerated graphics ...
4
votes
1answer
1k views

command to reboot as non-root user

I am using LXDE on Debian. When logged in LXDE as user, I can click on the logout icon in the menu and choose one of the options: shutdown reboot logout suspend But when I type reboot or shutdown ...
1
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2answers
336 views

Battery full notification

I am using a Linux distribution, I didn't get any notification even after the battery is full. Is there any custom script to run battery charge status and output a sound notification when the ...
2
votes
1answer
276 views

ACPId suspend-to-ram: can you specify waking up using keyboard events?

This is Gentoo Linux with OpenRC (updated to systemd later on), and ACPI + some power management features in the kernel for Intel. ACPId is up and running. I can suspend to ram using: echo -n "mem" ...
2
votes
1answer
103 views

How do I read an acpidump in OpenBSD?

The acpidump utility used to provide human-readable decoding of the DSDT data, however, it seems like this is no longer available in the recent version of OpenBSD. It looks like the last release with ...
0
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0answers
346 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
1answer
5k views

How do I remove acpi Warning on boot?

I have this message in dmesg log with linux 3.11.6-1 (2013-10-27) (debian version). I wonder how to fix/remove it? [ 5.098132] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO ...
2
votes
2answers
140 views

pidgin-blinklight not working with thinkpad_acpi (T430)

I'm using Ubuntu 13.04 on my ThinkPad T430 and want to use the pidgin-blinklight plugin. The plugin says it needs ibm-acpi, but that's depricated as far as I can tell, and thinkpad_acpi is loaded by ...
3
votes
1answer
592 views

ACPI Errors/Exeptions, why they spam, how to know and fix it?

I've been having these errors pollute my dmesg: [21720.400079] ACPI Error: [\_TZ_.THRM] Namespace lookup failure, AE_NOT_FOUND (20130328/psargs-359) [21720.400093] ACPI Error: Method parse/execution ...
0
votes
1answer
326 views

acpid - Hibernate When Unplugged

I'm new to programming for Linux (lubuntu specifically) and I'm working on a project to get an old, discarded laptop up and running the way I want it. I have acpi and acpid installed, and when I run ...
3
votes
1answer
469 views

Why won't this shutdown script work when executed by ACPID?

Based on this thread I modified my /etc/acpi/powerbtn.sh script to account for LXDE sessions: # getXuser gets the X user belonging to the display in $displaynum. # If you want the foreground X user, ...
2
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0answers
1k views

How to set up control for case fans in Debian Wheezy?

We'll for some days now I've been trying to get the fancontrol for my Debian Wheezy up and running. Actually (after some problems with pwmconfig not accepting my chipset, which is a AMD 770 one) now ...
4
votes
1answer
1k 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 ...
3
votes
2answers
1k views

How to control thinkpad_acpi via procfs, RHEL 6.4

I'm having trouble with the thinkpad_acpi module on my Thinkpad T400. While the processor temperature can vary, depending on the CPU activity, from 40 to 85 deg. Celsius, my fan speed remains almost ...
3
votes
1answer
122 views

Debug an ACPI resume failure

I have a machine which suspends but does not resume under Linux, but resumes perfectly under Windows 7. When I suspend (be it through pm-suspend or GUI), the suspend goes through, the power LED ...
2
votes
0answers
281 views

Old HP nc4400 laptop on Debian, fan turns on for 10 secs, then off for 20 secs

I run Debian 7 on an HP nc4400 laptop. This is an old laptop with an Intel Centrino chipset. It runs fine except that the fan turns on for 10 seconds, then off for 20 seconds and then on for 10 ...
0
votes
1answer
150 views

“Acpi-State” in slabtop's output gets increased — what is it? Is it a bug?

Since boot it gets increased occupying even more RAM than anything else: Active / Total Objects (% used) : 680608 / 719176 (94.6%) Active / Total Slabs (% used) : 17390 / 17390 (100.0%) ...
1
vote
1answer
764 views

issues booting Ubuntu [Firmware Bug ] : ACPI _BQC method, cannot determine initial brightness

I am running into an issue booting Linux on a new machine. I started with Ubuntu Server edition. I completed the initial setup via an ISO image, however when the machine restarted and went to load ...
1
vote
1answer
449 views

How to read CPU temperature on a shared server?

I would like to read my CPU temperature with PHP, but I cannot find the relevant info. All paths under /proc/acpi/thermal_zone appear empty. I have tried: /proc/acpi/thermal_zone/THM0/temperature ...
4
votes
1answer
481 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 ...
1
vote
1answer
494 views

The brightness on my Lenovo SL510 only moves between 100% and 0%?

I have a Lenovo SL510 laptop running Linux Mint Debian Edition (based on Debian Testing) using the Cinnamon DE, and the brightness appears to only have two settings: 100% and 0%. If I use the ...
2
votes
1answer
2k views

Setting default brightness level on startup for all run levels

Laptop: Toshiba R630 OS: Linux Mint 14 Cinnamon I have seen various articles (http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on-every-restart) on adjusting brightness. But my ...
2
votes
1answer
401 views

Why does my laptop suspend twice/thrice?

The awesome WM doesn't suspend automatically when closing the lid, so I followed some instructions to get it working. I simply added a file /etc/acpi/local/lid.sh.post with the following contents: ...
3
votes
1answer
406 views

Have Sun keyboard moon key (116) not shut down my computer

On my Sun keyboard, the top-rightmost key (with a moon image, right above the keypad) shuts down my computer. I'd like it not to, as I hit it by mistake now and then. In /etc/default/keyboard, I only ...
3
votes
1answer
271 views

Issue with laptop screen when opening lid

I use Archlinux, with acpid to configure the laptop lid behavior rather than systemd. Currently, I have it set so vbetool sets dpms off when the lid is closed, and reopening the lid sets it back on. ...
33
votes
1answer
27k 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 ...
2
votes
0answers
415 views

How to use Sony VAIO buttons to lock the screen?

I have a Sony Vaio VPCEG laptop, like this. I'm using Lubuntu 11.10. I'd like to use those 3 buttons (Assist, WEB and VAIO). They work with Windows 7, to recover the system and to open the browser. ...
1
vote
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
votes
1answer
792 views

Lm-Sensors: Run specific commands when temperature goes above/below limits

I have a pretty badly ventilated computer whose temperature reaches 100º C in some occasions. The poor thing can't be ventilated any better ("put a bigger fan" is not a suitable solution). When the ...
2
votes
1answer
277 views

How to disable wifi and bluetooth keyboard switches in GNOME?

My (capacitive) media keys have recently become autonomous, causing my wifi to switch on and off at random intervals and effectively rendering the machine unusable. How can I disable those keys? My ...
0
votes
2answers
80 views

Where to find acpi mailing list?

Was this mailing list dead: Acpi-devel -- Defunct ACPI Development Discussion List What other source can I utilize , just want to find the developers of acpid