linux-kernel - Re: When will the lunacy end? (Was Re: [PATCH] uswsusp: add pmops->{prepare,enter,finish} support (aka "platform mode"))

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Date:	Wed, 27 Sep 2006 11:09:02 +0200
From:	Pavel Machek <pavel@....cz>
To:	Andrew Morton <akpm@...l.org>
Cc:	Nigel Cunningham <ncunningham@...uxmail.org>,
	Stefan Seyfried <seife@...e.de>, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: When will the lunacy end? (Was Re: [PATCH] uswsusp: add pmops->{prepare,enter,finish} support (aka "platform mode"))

Hi!

> > Is "swapoff -a; echo disk > /sys/power/state" slow for you? If so, we
> > have something reasonably easy to debug, if not, we'll try something
> > else...
> 
> sony:/home/akpm# swapoff -a 
> sony:/home/akpm# time (echo disk > /sys/power/state) 
> echo: write error: no such device
> (; echo disk > /sys/power/state; )  0.00s user 0.08s system 1% cpu 5.259 total
> 
> It took an additional two-odd seconds to bring the X UI back into a serviceable
> state.

Console switches take long... yes it would be nice to fix X :-).

But we did not reproduce that 12 seconds problem. Can you try patches
from

http://marc.theaimsgroup.com/?l=linux-acpi&m=115506915023030&q=raw

?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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