[Linux-disciples] 2.6 suspend?

[Dylan Thurston]

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On Wed, Oct 08, 2003 at 04:13:21AM -0400, Ken Shan wrote:
> On 2003-10-07T15:10:44-0700, Adam Kessel wrote:
> > Specifically 2.6.0-test6-mm4, or just the more rest 2.6.0-test series?
> >=20
> > Software suspend is now included with the kernel, so the best way -- if
> > it works for you -- is to just run swsusp.  This has "sort of" worked f=
or
> > me, although I'm not all that confident in it.
> >=20
> > ACPI suspend I don't believe is "ready" yet.
> >=20
> > Or were you asking about some change specifically with -mm4?
>=20
> I wasn't asking specifically about -mm4; I was just being concrete.
> The problem is I don't understand the distinction between all these
> terms you just used: There is said to be two forks of software suspend
> in the kernel, but I don't know which configuration option either one
> corresponds to and which one you mean, and what's the difference between
> these two forks and swsusp and ACPI suspend?

I can't answer the specifics, but ACPI is part of the BIOS; it's the
newer replacement for APM that modern laptops use.  There is kernel
support, but people grumble about it, since apparently it involves a
fairly sizeable interpreter for the ACPI language.  And the support is
still flakey.

swsusp (software suspend), on the other hand, has nothing to do with the
BIOS; the kernel just pages everything out to a special partition on the
disk, arranges to load everything back when it reboots, and turns itself
off.  It's reputed (by Adam, in particular) to be reliable in the 2.6
series.  I don't know about the two forks, however.

Peace,
	Dylan

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