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Date:      Fri, 30 Jan 2015 12:35:24 -0500
From:      Ed Maste <emaste@freebsd.org>
To:        Luca Pizzamiglio <luca.pizzamiglio@gmail.com>
Cc:        FreeBSD Hackers <freebsd-hackers@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: UEFI boot hangs with MINNOWBOARD
Message-ID:  <CAPyFy2BMsY2x=hrGP96gQjLkeNFsua2MziBbOXvGSvjrhMsstQ@mail.gmail.com>
In-Reply-To: <CAB88xy9LmWW8GArHa2VUBGi3abMJBQSrORHpG3hNPWPbtj7TNg@mail.gmail.com>
References:  <CAB88xy9LmWW8GArHa2VUBGi3abMJBQSrORHpG3hNPWPbtj7TNg@mail.gmail.com>

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On 30 January 2015 at 10:57, Luca Pizzamiglio
<luca.pizzamiglio@gmail.com> wrote:
> Hi,
> I'm testing CURRENT on a MINNOWBOARD
> (http://www.elinux.org/Minnowboard:MinnowMax):
>
> Dual-core atom E3825 CPU
> EFI Version: 2.4.0
> EFI: EDK II
>
> boot1.efi starts, it can found the ufs partition with loader.efi
> loader.efi fails at BT->ExitBootServices() (elf64_exec() of
> sys/boot/amd64/efi/elf64_freebsd.c)

Which revision are you testing, and do you have any local changes?

I built a plain -current USB stick image a while back and had no
trouble, when using the HDMI output. I don't recall the revision at
the moment, but will try again soon. Serial console won't work because
the UARTs are not quite 16550-compatible.

We do need a GetMemoryMap() / ExitBootServices() retry though.



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