From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jeremy Maitin-Shepard <jbms@cmu.edu>
Subject: Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Fri, 21 Sep 2007 22:53:00 +0200
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Cc: Alan Stern <stern@rowland.harvard.edu>,
       Nigel Cunningham <nigel@nigel.suspend2.net>, nigel@suspend2.net,
       Kexec Mailing List <kexec@lists.infradead.org>,
       linux-kernel@vger.kernel.org,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       "Huang\, Ying" <ying.huang@intel.com>,
       linux-pm@lists.linux-foundation.org,
       huang ying <huang.ying.caritas@gmail.com>,
       Andrew Morton <akpm@linux-foundation.org>
References: <Pine.LNX.4.44L0.0709211540100.5816-100000@iolanthe.rowland.org> <200709212215.26978.rjw@sisk.pl> <87hcln69zv.fsf@jbms.ath.cx>
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On Friday, 21 September 2007 22:26, Jeremy Maitin-Shepard wrote:
> "Rafael J. Wysocki" <rjw@sisk.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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