On 04/15/2017 10:34 PM, Andreas Färber wrote:
Am 15.04.2017 um 20:27 schrieb Alexander Graf:
On 15.04.17 20:18, Heiner Kallweit wrote:
Am 15.04.2017 um 17:05 schrieb Andreas Färber:
But for the Vega S95 Telos I needed to disable the first of three MMC nodes (SDIO) - otherwise U-Boot would happily iterate over them for distro boot with Heinrich's patch, but GRUB would come up with no disks, so that booting failed. I'm not yet sure why, maybe it's a UEFI-side problem in that it is the first MMC device that is absent rather than the last one?
I don't own this device so I can just provide a guess. Based on DT the device ordering most likely is: mmc0: SDIO mmc1: SD mmc2: eMMC
[...]
If grub comes up, distro boot has successfully found the target binary and executed it. For some reason, grub can not find its boot origin though.
Andreas, please add debug prints like the ones below and check that the device names match:
U-Boot 2017.05-rc1-00318-g082535f-dirty (Apr 15 2017 - 22:29:17 +0200) vega-s95
DRAM: 2 GiB MMC: mmc@70000: 0, mmc@72000: 1, mmc@74000: 2 Using default environment
In: serial@4c0 Out: serial@4c0 Err: serial@4c0 Net: eth0: ethernet@c9410000 Hit any key to stop autoboot: 0 mmc_init: -95, time 1806 MMC Device 0 not found no mmc device at slot 0 switch to partitions #0, OK mmc1 is current device Scanning mmc 1:1... Setting boot device name to '//boot/dtb/amlogic/meson-gxbb-v' 20335 bytes read in 43 ms (460.9 KiB/s) Found EFI removable media binary efi/boot/bootaa64.efi Setting boot device name to '/efi/boot/bootaa64.efi' reading efi/boot/bootaa64.efi 129024 bytes read in 13 ms (9.5 MiB/s) ## Starting EFI application at 01080000 ... mmc_init: -95, time 1807 Found 0 disks Welcome to GRUB!
error: disk `,msdos2' not found. Entering rescue mode... grub rescue>
Regards, Andreas
What is the output of ls in grub rescue mode?
Best regards
Heinrich