Is it possible to 'sleep' while using ACPI?

[Satish Balay]

On Tue, 1 Jun 2004, Brian Kendig wrote:

> When I use ACPI on my laptop under FC2, it won't ever go to sleep.  I have 
> the Battery Charge Monitor in my dock, but when I right-click on it and 
> select 'Suspend Computer' it says "The Suspend command '/usr/bin/apm -s' was 
> unsuccessful."  If I run 'apmsleep +0:01' from a command line, it tells me 
> that I have to recompile my kernel with APM support.
>
> I'm using a kernel with APM and ACPI both compiled into it.  It seems that if 
> ACPI is loaded, APM won't work at all.  If I go into Server Settings and turn 
> off the acpid service, then APM will work and the laptop will be able to go 
> to sleep, but I lose other functionality (the laptop has two batteries but 
> APM only sees them as a single combined battery so I can't see the individual 
> charge of each), and when I reboot I get an error saying "can't access ACPI 
> events in /var/run/acpid.socket, make sure the ACPI subsystem is working and 
> the acpid daemon is running."
>
> Is there any way to make a laptop go to sleep while it's under ACPI 
> management?

FC2 defaults to ACPI - and to suspend in ACPI - do (as root):

echo 3 > /proc/acpi/sleep

If you whish to use apm - use the following kernel option at boot time.

acpi=off

Satish