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Re: laptop suspend



On Sun, 24 Apr 2005, Alexander Dalloz wrote:

Am So, den 24.04.2005 schrieb Gaspar Bakos um 0:43:

I used to have RH9.0 on an IBM Thinkpad T40, and kernels 2.4.2*. The
laptop suspend was working fine (either to suspend button, or closing
the lid) after the installation, without any extra configuration and
effort.

I recently upgraded to FC3, and have a 2.6.11 kernel. The suspend does
not work. I tried appending apm=on to the grub boot command line, but
no success?

In what sense does it "not work"?


Related to https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=144415, perhaps?

I have ACPI suspend working on my T41, but it takes some work to get the graphics chip to power down properly. See the discussion at
http://bugzilla.kernel.org/show_bug.cgi?id=3022.



I think "acpi=off apm=on" would be needed to give apm control over power management.

Not necessary. acpi=off is all that's needed. apm=on probably works as well. The startup scripts are arranged so that acpid stops if apmd starts.



1. Is it possible that the FC provided 2.6.11 kernel is compiled with
APM=no flag?

No, it is compiled with "CONFIG_APM=y".


2. Where can I find the .config file that was used for compiling the
kernel?

/boot/config-2.6.11-1.14_FC3


Gaspar

Alexander





-- Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs


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