linux-kernel - Re: Fedora vs. swsusp (was Re: megaraid

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Message-Id: <200608311905.30462.rjw@sisk.pl>
Date:	Thu, 31 Aug 2006 19:05:30 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	Jeff Chua <jeff.chua.linux@...il.com>,
	Jens Axboe <axboe@...nel.dk>, Sreenivas.Bagalkote@...l.com,
	Sumant.Patro@...l.com, jeff@...zik.org,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Fedora vs. swsusp (was Re: megaraid_sas suspend ok, resume oops)

On Tuesday 29 August 2006 22:39, Pavel Machek wrote:
> Hi!
> 
> > Another point ... on IBM x60s notebook, setting ...
> > 
> >       High Memory Support (64GB)
> >               CONFIG_HIGHMEM64G=y
> >               CONFIG_RESOURCES_64BIT=y
> >               CONFIG_X86_PAE=y
> 
> > 
> > will cause resume to "REBOOT" sometimes (may be 6 out of 
> > 10).
> 
> Okay, I guess that explains 'swsusp br0ken on Fedora' reports I was
> seening.
> 
> I wonder if swsusp *ever* worked reliably with highmem64...
> 
> ...wait a moment, higmem64 implies PAE implies we can no longer use
> swsusp's trick with copying initial pgdir, and we'll need to use
> x86-64-like code, no?

I think so.

Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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