Questions that relate to the Advanced Configuration and Power Interface (ACPI) specification which provides an open standard for device configuration and power management by the operating system.

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8
votes
1answer
1k views

How does my computer suspend?

Trying to understand how suspend works in 10.10. http://git.webconverger.org/?p=home.git;a=blob;f=.bashrc;h=8ba57b877e31a03c5f0b1675b42f747d81dd31ad;hb=HEAD#l31 I use an alias suspend='sudo ...
6
votes
5answers
5k views

Battery indicator is stuck on “estimating”?

After installing Ubuntu 10.10, the battery indicator worked fine (both percent remaining and estimation on time). I then installed and configured some software (Skype, Pidgin, Thunderbird, removed ...
4
votes
2answers
6k views

Boot with “noacpi” automatically from hard drive?

If I boot ubuntu from the live cd without any special options I get the following message: [ 0.040001] Kernel panic - not syncing: IO-APIC + timer doesn't work! Boot with apic=debug and send a ...
3
votes
3answers
2k views

Setup suspend-on-lid-close/Fn+F4 outside of KDE/Gnome?

On current Ubuntu (10.04) suspend-on-lid/FN + F4 only works if some powermanagement-applet of KDE/gnome is running. But what about suspend-to-lid if you are working on the console or using a ...
3
votes
1answer
654 views

Hibernate on Dell Inspiron 1525

I'm ahving a Dell Inspiron 1525. I installed there a stock Ubuntu 10. However I can see no "hibernate" item in the shutdown menu. Is ACPI supported on 1525? If it is, how can I make hibernate work ...
0
votes
1answer
947 views

How to stop acpid restarting /etc/acpi/lid.sh restart unnecessarily? [closed]

On my Acer Aspire One netbook, I have noticed that acpid starts /etc/acpi/lid.sh multiple times a minute. This script should only be started when the lid is closed or opened. How can I stop theses ...
6
votes
3answers
7k views

How to shutdown the computer when hitting the Power button?

I have a Xubuntu Lucid 10.04 computer plugged in to my TV. I use the command line to administrate it. Right now when I hit the power button it just opens a Logout screen. How can I set it up so that ...