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Date:      Wed, 29 Nov 2017 19:43:58 -0500
From:      Shawn Webb <shawn.webb@hardenedbsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: Booting UEFI ZFS is broken on arm64
Message-ID:  <20171130004358.usia2jrvman4cvvz@mutt-hbsd>
In-Reply-To: <CANCZdfqgco6gp-ccph3hSgJg81=%2BEfW2DJp0DOx2xgCdgH7UkQ@mail.gmail.com>
References:  <20171130002135.q7p27hh6qkog4slr@mutt-hbsd> <CANCZdfrjKkR-Lr4FKVyCBBnYy8k-n6rgz6ES6=_K6SeXtFOtMg@mail.gmail.com> <20171130003458.bnltotlgfdbke5ue@mutt-hbsd> <CANCZdfqgco6gp-ccph3hSgJg81=%2BEfW2DJp0DOx2xgCdgH7UkQ@mail.gmail.com>

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On Wed, Nov 29, 2017 at 05:42:52PM -0700, Warner Losh wrote:
> On Wed, Nov 29, 2017 at 5:34 PM, Shawn Webb <shawn.webb@hardenedbsd.org>
> wrote:
>=20
> > On Wed, Nov 29, 2017 at 05:33:46PM -0700, Warner Losh wrote:
> > > On Wed, Nov 29, 2017 at 5:21 PM, Shawn Webb <shawn.webb@hardenedbsd.o=
rg>
> > > wrote:
> > >
> > > > It appears that in the latest FreeBSD 12-CURRENT/arm64 snapshot,
> > > > booting UEFI GPT ZFS on my OverDrive 1000 is broken. It boots up to
> > > > this line:
> > > >
> > > > Using DTB provided by EFI at 0x801fe00000.
> > >
> > >
> > > Which snapshot is that? Boot1 was broken until recently.
> >
> > FreeBSD-12.0-CURRENT-arm64-aarch64-20171121-r326056-memstick.img
> >
> > It also happens on latest HEAD, so it would appear to still be broken.
>=20
>=20
> Is this boot1.efi producing the output, or loader.efi? I'm guessing the
> latter, but wanted to make sure. If so, then we're past the point where
> boot1.efi would have failed (besides, it was fixed before that snapshot).

With DEBUG turned on for stand/fdt:

Booting [/boot/kernel/kernel]...              =20
fdt_copy(): fdt_copy va 0x01208000
fdt_setup_fdtp(): fdt_setup_fdtp()
fdt_load_dtb_addr(): fdt_load_dtb_addr(0x801fe00000)
Using DTB provided by EFI at 0x801fe00000.
Loaded the platform dtb: 0x81f56f1630.
fdt_fixup(): fdt_fixup()

^ hangs after that message

--=20
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

GPG Key ID:          0x6A84658F52456EEE
GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89  3D9E 6A84 658F 5245 6EEE

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