linux-kernel - Re: 2.6.19-rc5: grub is much slower resuming from suspend-to-disk than in 2.6.18

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Message-Id: <200611142347.28571.arvidjaar@mail.ru>
Date:	Tue, 14 Nov 2006 23:47:27 +0300
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	Pavel Machek <pavel@....cz>
Cc:	Stefan Seyfried <seife@...e.de>, Zan Lynx <zlynx@....org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.19-rc5: grub is much slower resuming from suspend-to-disk than in 2.6.18

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On Tuesday 14 November 2006 17:23, Pavel Machek wrote:
> Hi!
>
> > > > Maybe its a journal size thing, you could try "sync" before suspend
> > > > and see if it helps.
> > >
> > > We already sync inside the kernel, it does not help here, though.
> > > Blockdev freezing might help.
> >
> > is there patch applicable to vanilla kernel? After repairing reiser
> > several times (due to hard lockups during suspend-to-RAM) that sounds
> > even more interesting.
>
> Could you do the test Stefan asked? I do not think you'll kill
> reiserfs by single forced powerdown.
> 

well, I did it accidentally :) (forgot to plug in power and after 2 hours on 
battery notebook simply switched off) and yes, there was some noticeable 
delay loading grub. I also tried fs freezer without any visible effect. The 
patches from mm I applied to vanilla kernel:

add-include-linux-freezerh-and-move-definitions-from.patch
swsusp-cleanup-whitespace-in-freezer-output.patch
swsusp-freeze-filesystems-during-suspend-rev-2.patch
swsusp-thaw-userspace-and-kernel-space-separately.patch

Do I need some more patches for this to work?

- -andrey
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