linux-kernel - Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump

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Date:	Fri, 21 Sep 2007 22:53:00 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jeremy Maitin-Shepard <jbms@....edu>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	nigel@...pend2.net, Kexec Mailing List <kexec@...ts.infradead.org>,
	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Huang\, Ying" <ying.huang@...el.com>,
	linux-pm@...ts.linux-foundation.org,
	huang ying <huang.ying.caritas@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump

On Friday, 21 September 2007 22:26, Jeremy Maitin-Shepard wrote:
> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> 
> [snip]
> 
> > The ACPI NVS area is explicitly marked as reserved and we don't save it.
> > On x86_64 we don't save any memory areas marked as reserved and yet the above
> > happens.
> 
> I think you have mentioned before, though, that ACPI is first
> initialized by the boot kernel, before it is later initialized by
> resuming kernel.  This could well be the source of the problem.

No, it's not.  I have tested that too with an ACPI-less boot kernel.

Greetings,
Rafael
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