[ltp] kapm-idled

[Markus Alt]

Vivek Dasmohapatra wrote:
> 
> On Thu, 10 May 2001, Nils Smeds wrote:
> 
> > I am not sure why CONFIG_APM_CPU_IDLE is needed, but it seems to always
> be
> > on the list of options to use for thinkpads so I have always used it. How
> > many are there out there that have their thinkpads without it, and what
> models
> > and do they have suspend/hibernate/whatever work fine for them?
> 
> I have an A20p, and I leave it out under both 2.2.x and 2.4.x - suspend
> works fine, hibernate doesn't because I've never booted the thing into
> windows and nobody seems to know the exact black magic incantation to make
> a hibernate partition w/o the windows based tool.

There's no black magic incantation and you don't need to boot into
windows to enable hibernation. Instead there's a thing called
"Hibernation Utility Diskette II for Standalone Boot" which supports the
A, T and X series. You will be able to get it from support section of
the ThinkPad page at http://www.pc.ibm.com/thinkpad. Select your model
and search for the term "hibernation".

When booting from that diskette, you can create the hibernation file on
a previously created DOS partition (read the description for details).
The latter should be a primary partition, IIRC, which is slightly larger
than your RAM size.

This worked like a charm on my T21 and I hibernate almost each and every
day when carrying the machine home from the office. BTW, I also have
Win@%$! 2000 on my machine, but booting into that one and enabling
hibernation wouldn't have helped me for Linux, as 2k uses ACPI and
creates the hibernation file on the same (NTFS) partition. That's why I
searched for and found that diskette mentioned above.

Markus

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