Re: how can I put an acpi laptop to sleep?
What is S3 sleep and where do I get such a thing?
Thanks.
on Thu, 09 Dec 2004 20:00:59 +0200 Micha Feigin <michf@post.tau.ac.il> wrote:
> At Thu, 09 Dec 2004 07:10:58 -0600,
> Hugo Vanwoerkom wrote:
>>
>> H. S. wrote:
>> > Apparently, _John Covici_, on 08/12/04 15:56,typed:
>> >
>> >> Hi. I have an IBM thinkpad and I installed Debian on it and got a
>> >> daemon called sleepd -- however it wants a command to actually put the
>> >> machine to sleep. Its default was apm -s which of course never worked
>> >> because the machine is an acpi machine.
>> >>
>> >> Any suggestions will be appreciated.
>> >>
>
> What you want is S3 sleep. I don't thing that echo 3 > /proc/acpi/sleep works
> anymore, I think that that is the deprecated implementation. I'm not sure which
> is the right way to initiate the other option, either
>
> echo mem > /sys/power/state
> or
> echo standby > /sys/power/state
>
> It doesn't work on all machines though so your millage may vary here.
>
>> >
>> > Maybe you want to have a look at this:
>> >
>> > http://softwaresuspend.berlios.de/
>> >
>> > ->HS
>> >
>> >
>>
>> Anyone with experience of using this vs. the 2.6 native option?
>>
>
> I never used the 2.6 native option (didn't work when I tried around 2.6.6 and I
> haven't tried since), only this one, which also works for 2.4 kernels. Its
> usually very stable, although a bit dynamic so it comes and goes for some
> people. It does have a lot more features then the 2.6 native option. Some main
> ones are initrd support (it can be compiled as a module), compression of the
> image (lzf and gzip), using encrypted swap (Takes a bit of work to get working
> at the moment) and quite a few more. I also supports swap files.
>
> There is talk for quite some time now about including it into the stock kernel
> but it will probably take a bit more time.
>
> Now it also supports saving the image but then going into S3 sleep so wake is
> fast but no data is lost if the battery runs out.
>
>> H.
>>
>>
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--
John Covici
covici@ccs.covici.com
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