On Sat, Aug 5, 2017 at 10:28 AM, Mark Kettenis <mark.kette...@xs4all.nl> wrote:
>> Date: Sat, 5 Aug 2017 16:01:51 +0200 (CEST)
>> From: Mark Kettenis <mark.kette...@xs4all.nl>
>>
>> Unfortunately something in this patch series breaks things for me on a
>> Banana Pi:
>
> And according to git bisect:
>
> 4e3e748a50fc3f43e20c7ff407184596d7c9a589 is the first bad commit
> commit 4e3e748a50fc3f43e20c7ff407184596d7c9a589
> Author: Peter Jones <pjo...@redhat.com>
> Date:   Wed Jun 21 16:39:02 2017 -0400
>
>     efi: add some more device path structures
>
>     Signed-off-by: Peter Jones <pjo...@redhat.com>
>     Signed-off-by: Rob Clark <robdcl...@gmail.com>


hmm, odd.. it is only adding some #define's and structs that are not
used until a later commit..

although it does also make 'struct efi_device_path_mac_addr' __packed,
which it should have been before.  Is this an armv7?  I wonder if we
have some troubles with unaligned accesses on armv7 that we don't have
on aarch64 (or maybe compiler isn't turning access to device-path
nodes into byte accesses if it can't do unaligned accesses.  (The node
in the device-path structure are byte-packed.)

addr2line the faulting address I guess should confirm that.  If this
is the issue, it's going to be a bit sad since we'll have to do a lot
of copying back/forth of efi_device_path ptrs to aligned addresses :-/

BR,
-R
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