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

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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 ...
3
votes
1answer
578 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
votes
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 ...
3
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2answers
2k 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 ...
2
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0answers
328 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
181 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%) ...
3
votes
2answers
5k views

ACPI wakeup from keyboard/mouse via /proc/acpi/wakeup after suspend. How to find the correct device?

I'd like to wakeup my system via keyboard or mouse. This can be done via /proc/acpi/wakeup and a simple echo DEVNAME > /proc/acpi/wakeup my wakeup file looks like this Device S-state ...
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1answer
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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
568 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 ...
1
vote
1answer
575 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
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0answers
509 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. ...
3
votes
1answer
296 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. ...
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votes
6answers
5k views

How can I improve battery life in Fedora 15?

I am seeing a horrible battery life with Fedora 15 (lovelock) with Gnome Shell 3 on my laptop. I keep the screen brightness, back light pretty low. I still get about 1 hr 50 minutes battery life out ...
4
votes
2answers
640 views

help needed to decipher this Acer Aspire 4830TG ACPI code for Nvidia Optimus

I am trying to make sense of the following NVOP Method from the ACPI tables for an Acer Aspire 4830TG with an Nvidia Optimus hybrid graphics system. The NVOP method on top defines a bunch of ...
7
votes
2answers
760 views

Information about a laptop fan

Can you help me with finding all the hardware information (parameters) and configuration files about the fan in my laptop? I'm interested of the fan's parameters and configuration files that I can ...
2
votes
1answer
982 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
307 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 ...
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2answers
91 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
2
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0answers
426 views

acpi_listen returns different result in Ubuntu than Arch Linux

Ubuntu is able to detect my Lenovo "Mic Mute" button with acpi_listen, but when I try it on Arch Linux, there is no output available. Model: Thinkpad X220 4290LY9 Tried to add acpi_osi=Linux in ...
3
votes
1answer
990 views

ACPI conflicts with ACPI region SMRG

During startup, I noticed some error. I found this in dmesg: i801_smbus 0000:00:1f.3: PCI INT B -> GSI 21 (level, low) -> IRQ 21 ACPI: I/O resource 0000:00:1f.3 [0x400-0x41f] conflicts with ...
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0answers
397 views

Cannot control brightness with Fedora 14 on Compaq CQ42

I've done the primary searching of similar questions, Found some, tried the solutions and they didn't work for me. So asking again. All the keys of my Fn combination works except the brightness ones. ...
4
votes
2answers
644 views

Laptop does not power off after it has been suspended to ram

I suspend my laptop using echo mem > /sys/power/state. That works fine and it resumes nicely. Once I try to power it off, it shuts down fine until i see the message Power down. (or similar). ...
2
votes
1answer
179 views

Fedora 15 address collision on Compaq CQ41?

I keep getting an address collision warning at boot time, between ACPI and Video Rom. If I add acpi=off to grub.conf the error goes away, but then I have no power management (battery icon, proper ...
4
votes
2answers
3k views

How to deliberately activate cooling fan of laptop?

Hi I have a laptop (Fujitsu Siemens Amilo 4000), I'd like to control the cooling fan manually. How do I do that? /proc/acpi/fan/ is empty, the fan is otherwise working well. Distro is Fedora 14.
4
votes
1answer
233 views

Why ACPI Namespace keeps changing

Does anyone know why the ACPI namespace keeps changing? I had a script a while back on a Red Hat system which read the CPU temperature from '/proc/acpi/thermal_zone/THRM'. Now I have a new (but ...
6
votes
1answer
408 views

What controls turning off during overheating on Linux

I started experience overheating (I have a few possible troublemakers for it and the cause is separate question) but I wondered what controls handling of overheating? Sometimes my computer: Halts ...
3
votes
1answer
296 views

Migrating from tp_smapi to 'normal' ACPI support in 2.6.36

I used zen kernel patchset for a long time which included tp_smapi patch. Recently in zen-stable tp_smapi was removed as "We no longer need tp_smapi as of 2.6.36 - the in-kernel thinkpad acpi support ...