linux-kernel - highmem64g vs. swsusp

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Message-ID: <20060831150816.GA4106@ucw.cz>
Date:	Thu, 31 Aug 2006 15:08:16 +0000
From:	Pavel Machek <pavel@....cz>
To:	kernel list <linux-kernel@...r.kernel.org>,
	jeff.chua.linux@...il.com
Subject: highmem64g vs. swsusp


Hi!

> >Using a Lenovo T60 laptop - suspend to disk has always 
> >failed for me on resume.
> >
> >Through trial and error, I've found that this problem 
> >only occurs with
> >CONFIG_HIGHMEM64G (the default in a Fedora 
> >installation). On a couple of
> >occasions I've seen a hang or an oops instead of a 
> >reboot. Apologies for the
> >poor quality, but an image of the oops screen can be 
> >found at
> >http://www.dresco.co.uk/debug/resume_from_disk.jpg
> 
> I had the same problem on my IBM x60s. In my case, I see 
> no oops. Just
> reboot right after resume with CONFIG_HIGHMEM64G=y. 
> Turning off
> CONFIG_HIGHMEM64G, problem goes away. Don't know how to 
> fix. Just to
> confirm your findings. 2.6.18-rc5 has the same problem.

AFAIKK _all_ versions of swsusp have problem with highmem64g. I'll
need to bandaid it with config check for now.

-- 
Thanks for all the (sleeping) penguins.

-- 
Thanks for all the (sleeping) penguins.
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