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From: Ed Maste <emaste@freebsd.org>
Date: Mon, 10 Nov 2014 15:18:04 -0500
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Subject: Re: svn commit: r273582 - in head/sys/amd64: amd64 include
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On 24 October 2014 05:48, Roger Pau Monn=C3=A9 <royger@freebsd.org> wrote:
> Author: royger
> Date: Fri Oct 24 09:48:58 2014
> New Revision: 273582
> URL: https://svnweb.freebsd.org/changeset/base/273582
>
> Log:
>   amd64: make uiomove_fromphys functional for pages not mapped by the DMA=
P

UEFI boot fails after this commit. I haven't yet investigated in
depth, but it appears to hang after the loader transfers execution to
the kernel. It's likely a panic before the vt console is ready, I
think.