linux-kernel - Re: broken suspend in .2.6.25-rc3 on T61p (was Re: new regression in 2.6.25-rc3: no keyboard/lid acpi events on thinkpad T61p)

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Message-ID: <20080225225820.GP2659@elf.ucw.cz>
Date:	Mon, 25 Feb 2008 23:58:20 +0100
From:	Pavel Machek <pavel@....cz>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Michael S. Tsirkin" <m.s.tsirkin@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Len Brown <len.brown@...el.com>, linux-acpi@...r.kernel.org,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: broken suspend in .2.6.25-rc3 on T61p (was Re: new regression
	in 2.6.25-rc3: no keyboard/lid acpi events on thinkpad T61p)

Hi!

> > >  > Maybe it doesn't. Andrew saw the autoresume on -rc[2,3]
> > >
> > >  And earlier - I think 2.6.23 does it as well.
> > 
> > But that one at least resumes fine, does it not?
> 
> Nope, the resume-after-five-seconds and black-screen-after-resume have
> always been there (I've only had the thing a few months).
> 
> I thought the restoring of the screen after resume is handled by the X
> server?  I'm using the nv.o driver.  Perhaps nvidia's driver handles it
> right, dunno.

Aha, so you do not have s2ram from suspend.sf.net installed, do you?

Restoring the screen is done by either

a) kernel/bios (acpi_sleep=..., or better s2ram -f -a X )

b) vbetool

c) X

. s2ram should detect your machine, and automatically set acpi_sleep
and/or perform vbetool magic.

Please try s2ram, there's good chance it will just work.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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