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Date:      Mon, 6 Mar 2017 03:00:20 +0000
From:      Dexuan Cui <decui@microsoft.com>
To:        Chris H <bsd-lists@bsdforge.com>
Cc:        FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   RE: Boot failure - svn up from this morning
Message-ID:  <MWHPR03MB266953FAB33B09CDE71B93BCBF2C0@MWHPR03MB2669.namprd03.prod.outlook.com>
In-Reply-To: <8b05cb241a72525a2b5c576b861f7fda@ultimatedns.net>
References:  <alpine.BSF.2.20.1703022145590.27580@mail.neu.net> <ad4fcc3e2df6b2fc422004621c2de329@ultimatedns.net> <4D3C46D7-3EBF-47AE-BFFE-37ECEA4721FD@gmail.com> <a49d5cc64aeb8fd414d3e04073d05474@ultimatedns.net> <E46FA7A7-9B98-4104-A41B-1BBFB121ECD0@gmail.com> <MWHPR03MB266958E7CEA4F1B0780932A4BF2B0@MWHPR03MB2669.namprd03.prod.outlook.com> <MWHPR03MB2669C116DA3430F1AF479E42BF2B0@MWHPR03MB2669.namprd03.prod.outlook.com> <5A39D9CC-339D-47C3-918A-F91E9CCC4E3E@fh-muenster.de> <MWHPR03MB26691C9FF3665C57F8584E2FBF2B0@MWHPR03MB2669.namprd03.prod.outlook.com> <5A56F5AA-F31E-4D7B-8CF4-918EB6F8285A@gmail.com>, <MWHPR03MB2669FB3EDFDDB79AEAF0BE15BF2D0@MWHPR03MB2669.namprd03.prod.outlook.com> <9370498b79338dcfbbbc75c657e2b8b1@ultimatedns.net>, <MWHPR03MB26693378DE5C5AA2CF0613C1BF2C0@MWHPR03MB2669.namprd03.prod.outlook.com> <8b05cb241a72525a2b5c576b861f7fda@ultimatedns.net>

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> From: Chris H [mailto:bsd-lists@bsdforge.com]
> Sent: Monday, March 6, 2017 09:57
> > Thanks! I'm eager to see your screenshots.
> > The line whose "Physical" address contains 2MB is the most interesting to me.
> > And please at least post the other lines around the line.
> OK. Her you go. It's taken me some time to get any shots
> that are readable -- I don't have a very steady hand. :-(
> Anyway, I haven't touched them. They're just as my phone camera
> produced them. Because of their size, I've packed them all up.
> I'm afraid I don't know their exact order. Hopefully you'll
> know by looking at them. :-)
> They're located at: bsdforge.com/efi-memmap.tar.xz

Hi Chris, 
Thank you very much for the screenshots!!!

On the host there is a 1MB LoaderData memory range, which splits
the big Conventional Memory range into a small one (15MB) and a
big one: the small one is too small to hold the staging area.

I'm going to post a patch shortly.

For people who are interested in the details: please see
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211746#c22

Thanks,
-- Dexuan

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