Re: Help with ACPI and CPU throttling
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Ritesh Raj Sarraf wrote:
> On Saturday 19 February 2005 07:40 pm, Yannick Warnier wrote:
>
>>>Le samedi 19 février 2005 à 19:10 +0530, Ritesh Raj Sarraf a écrit :
>>>
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>>>>I'm using 2.6.10 pretty happily for CPU throttling on my Compaq 2203AL
>>>>Notebook. I use cpudyn tool to control the throttling.
>>>>
>>>>But I've not been able to use my Suspend and Hibernate features. They
>>>>don't work as expected. :-(
>>>
>>>Do you have something else than powerbtn in your /etc/acpi/events/
>>>directory? Default acpi Debian package ships no scripts for sleep and
>>>lid events.
>>>
>>>Yannick
>
>
> Yes, I have a couple of other files from the laptop-mode-utils package which
> work for lid close, on battery and on ac in the events directory.
>
> I think my problem is somewhere with the ACPI system which, as per dmesg, says
> S0,S1,S3,S4,S5 to be supported but whenever I hit "echo mem
>
>>>/proc/acpi/sleep" my notebook just shuts down instead of going into the
>
> state of suspend-to-ram.
>
>
>
> rrs
mmmh "echo mem > /proc/acpi/sleep" is symantical not the correct way.
you can try:
echo 1 > /proc/acpi/sleep #standby mode
echo 3 > /proc/acpi/sleep #suspend to ram
echo 4 > /proc/acpi/sleep #suspend to disk
alternatively:
echo standby > /sys/power/state
echo mem > /sys/power/state
echo disk > /sys/power/state
important infos:
standby/suspend to ram:
you have perhaps to unload some modules:
uhci_hcd, ehci_hcd, usbhid
perhaps just stop hotplug before and reload after
suspend to disk:
perhaps unload some modules, too.
Don`t forget to set the resume=/dev/hdaX parameter to your lilo/grub conf
Good Luck
Peter
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