On 02/09/2018 01:15 AM, Jonathan Gray wrote:
On Fri, Jan 19, 2018 at 08:24:47PM +0100, Heinrich Schuchardt wrote:
Up to now we have been using efi_disk_create_partitions() to create
partitions for block devices that existed before starting an EFI
application.

We need to call it for block devices created by EFI
applications at run time. The EFI application will define the
handle for the block device and install a device path protocol
on it. We have to use this device path as stem for the partition
device paths.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
v3
        fix typos in comments
v2
        no change

breakage on mx6cuboxi with OpenBSD bootarm.efi, bisects to

commit 64e4db0f119151a1345e1da19d152eda550394e7
Author:     Heinrich Schuchardt <xypron.g...@gmx.de>
AuthorDate: Fri Jan 19 20:24:47 2018 +0100
Commit:     Alexander Graf <ag...@suse.de>
CommitDate: Mon Jan 22 23:09:14 2018 +0100

     efi_loader: make efi_disk_create_partitions a global symbol
Up to now we have been using efi_disk_create_partitions() to create
     partitions for block devices that existed before starting an EFI
     application.
We need to call it for block devices created by EFI
     applications at run time. The EFI application will define the
     handle for the block device and install a device path protocol
     on it. We have to use this device path as stem for the partition
     device paths.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
     Signed-off-by: Alexander Graf <ag...@suse.de>

with master as of e24bd1e79e223aa89854c0be95a53e2d538144a5

U-Boot SPL 2018.03-rc1-00185-g1e19c70639 (Feb 09 2018 - 11:43:18 +1300)
Trying to boot from MMC1


U-Boot 2018.03-rc1-00185-g1e19c70639 (Feb 09 2018 - 11:43:18 +1300)

CPU:   Freescale i.MX6Q rev1.5 996 MHz (running at 792 MHz)
CPU:   Extended Commercial temperature grade (-20C to 105C) at 24C
Reset cause: POR
Board: MX6 Cubox-i
DRAM:  2 GiB
MMC:   FSL_SDHC: 0
Loading Environment from MMC... OK
No panel detected: default to HDMI
Display: HDMI (1024x768)
In:    serial
Out:   serial
Err:   serial
Net:   FEC
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
37503 bytes read in 17 ms (2.1 MiB/s)
Found EFI removable media binary efi/boot/bootarm.efi
Scanning disks on usb...
76528 bytes read in 31 ms (2.4 MiB/s)
## Starting EFI application at 12000000 ...
BS->LocateHandle() returns -2147483634

-2147483634 == EFI_NOT_FOUND

Without debug output it is impossible to understand what is going wrong. Please, insert

#define DEBUG 1

at the top of lib/efi_loader/efi_boottime.c

I assume you are again trying to boot OpenBSD.

Does this image reproduce the error:
https://ftp.eu.openbsd.org/pub/OpenBSD/6.2/armv7/miniroot-cubox-62.fs

Otherwise provide a disk image that can be used for testing.

I only have a Wandboard Quad. But that has the same i.MX6Q processor. So once I know which image to use I could run a test.

Best regards

Heinrich

undefined instruction
pc : [<8e560348>]    lr : [<8e56444c>]
reloc pc : [<15de4348>]      lr : [<15de844c>]
sp : 8f57af10  ip : 8ffc2474     fp : 8f57af1c
r10: 0000b000  r9 : 8f57bee0     r8 : 0000000b
r7 : 8ffa1a9d  r6 : 8ffa16ad     r5 : 8e56f0d0  r4 : 8e56e88a
r3 : 8e56dac8  r2 : 00000001     r1 : 00000000  r0 : 00000000
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU ...

resetting ...

(undefined instruction is used to reset as efi reset was not
present in earlier U-Boot versions).


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