Re: Booting UEFI ZFS is broken on arm64

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_at_hardenedbsd.org>
> wrote:
> 
> > 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_at_hardenedbsd.org>
> > > 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.
> 
> 
> 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]...               
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

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

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