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Suepend/Resume & Hibernate on Toshiba Centrino


Guest krefson
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Guest krefson

I wonder how far people have got with getting all of the features of the Toshiba Tecra

series centrino laptops working? I have made some progress on my Tecra M1, but

still have two outstanding issues.

 

I am running Mandrake 10.1 (Official) on the Tecra M1, but using kernel 2.6.9

compiled from source with the "ck3" patchset and the 0.62 version of the

centrino wireless driver. With this combination suspend-to-disk and resume

works well using the "pmsuspend2" script. Using the stock 2.6.8.1-12 kernel

the ipw2100 driver would not suspend which hung and defeated the suspend process.

(Configuring it off before the pmsuspend2 command allowed it to work.) With

cpufreqd, CPU frquency scaling, acpi battery monitor and other features also work.

 

What still does not work are

 

a. the monitor brightness control. "cat /proc/acpi/toshiba/lcd" gives

"brightness: 4", which remains unchanged after

echo "brightness:5" > /proc/acpi/toshiba/lcd".

 

Has anyone else managed to get this to work?

 

b. suspend-to-memory: Actually, with kernel 2.6.9 suspend-to-memory

(on "echo mem > /sys/power/state") DOES work, and the restore

apparently works too on exercising the lid switch or "t" button.

However the acpid deamon immediately receives an event

button/power PWROFF

and the machine immediately goes to init 0 and shuts off!

Defeating the "poweroff" acpi event action merely results in

the machine powering off without an orderly shutdown.

 

c. Probably a stupid KDE question, but the "Suspend" entries on the klaptop

system tray app invoke suspend-to-memory (which doesn't work) and not

hibernate with pmsuspend2. Can this be configured so suspend-to-disk

works, by invoking pmsuspend2?

 

Keith Refson

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