Re: [ACPI-sppt] No sleep on Fujistsu E7110 w/ 2.4.22 kernel and 20031002 ACPI patch

 The acpi sleep states do not work correctly under 2.4.xx series because
 not all drivers have the susped/resume heuristics built in. I have the
 same probme with my P2120.

 Im experimenting with 2.6.0-test series of kernel but no luck or ideas
 so far. The biggest stumbling block at this stage is the radeon
 framebuffer that gives me the nice font sizes on boot.

 Anyways, try compliling the latest 2.6.0-test series (2.6.0-test9) but
 be warbned it will mean you will have to get gcc 3.x ontpyour system.
 then because things moved about you will have to have extra defines in
 the fstab file:

 none            /sys       sysfs        defaults	0	0

> ACPI on my laptop reports S0 S3 S4 and S5 as supported states.  However,
> when I echo 3 > /proc/sleep/acpi, absolutely nothing happens.  There are
> no messages in the log, and no other activity seems to take place. In
> fact, the only thing that has any effect is echo 5 > /proc/sleep/acpi,
> which shuts down the laptop (as expected). Any clues on this? I enabled
> ACPI_SLEEP in my config. Is there something else I need to tweak?

ACPI sleep states are defined here:

	http://acpi.sourceforge.net/documentation/index.html

and as I recall S3 is suspend to ram, S4 is suspend to disk and S5 is
halt. Normal behaviour is described above.

With 2.6.xx series the acpi power states interface moved to: 
	/sys/power/state

And much of ACPI now resides in /sys/power tree. 

The way to invoke it is to exec echo "S3" > /sys/power/state, 
or exec echo "mem" to proc/ppwer/state


Hope this helps
Tomasz

-- 
Tomasz M. Ciolek	
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