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disabling acpi in kernel
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incubator
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Joined: 05 Jun 2003
Posts: 584
Location: Belgium

PostPosted: Tue Nov 22, 2005 1:29 pm    Post subject: disabling acpi in kernel Reply with quote

WHen I once tried to disable ACPI in the kernel, just because I do not want power saving modes and hibernate etc...
nothing worked as it should.
I got an MP-BIOS bug right after grub printed the kernel info it is booting, it boots but then KDE runs slower, wallpaper comes up a minute later instead of instantly and playing mp3 files with ALSA and amaroK hangs the sound.

Hardware: Amd64 athlon 3000+ Asus K8N

so I had to re-enable the acpi in the kernel. Luckily I dont really need to disable it to get other things working, but I would really like to shut it down.

Is there any way I still can do it without breaking things or am I out of luck ? (note, I also tried disabling acpi in combination with enabling APM but that didnt fix those delay and hang problems)

edit: tested with gentoo-sources-2.6.14-r2
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remi2402
Retired Dev
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Joined: 28 Jun 2003
Posts: 111
Location: Paris, France

PostPosted: Tue Nov 22, 2005 5:58 pm    Post subject: Reply with quote

you can add acpi=off in your kernel grub line config. You should keep in mind though that ACPI is used for a lot more stuff than just powersaving. It's used to probe PCI devices and get IRQ settings. It's probably used for something else, but that's all I can think of so far.

Have you tried updating your MB bios ?

Rémi
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