linux-kernel - Re: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation

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Date:	Thu, 12 Jul 2007 14:49:12 +0000
From:	Pavel Machek <pavel@....cz>
To:	Mark Lord <lkml@....ca>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, david@...g.hm,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Huang, Ying" <ying.huang@...el.com>, nigel@...el.suspend2.net,
	Jeremy Maitin-Shepard <jbms@....edu>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org
Subject: Re: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation

Hi!

> And the complexity and difficulty of setup really scares 
> me.
> Right now, we've got a pretty good/fast in-kernel (well, 
> external patch)
> that allows my machines to hibernate very quickly, wake 
> up even faster,
> and not swap like mad afterwards.  Without any external 
> programs,
> initramfs, or extra kernels required.
> 
> And we want to replace this with an ultra-complex setup 
> because.. ????

...freezer does not work with fuse :-). Or more exactly because
freezer is ugly, and we don't know how to get rid of it...

(Not that I advocate kexec-based hibernation. I think it is going to
suck. But it might allow kdump-but-keep-running, so work is not
wasted).
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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