[MinnowBoard] SD card booting issue in MinnowBoard Turbot Quad-Core

[Richardson, Brian]

The equivalent to “did you try turning it off and on again” for OS installation issues is typically “are you using the latest firmware” ☺ I always get the latest firmware for a new board, since it may have been updated since leaving the factory. Of course, I work on firmware as my job… so maybe I’m not a normal user.

I am running a MinnowBoard Turbot Quad (not the dual Ethernet version) with the x64 UEFI firmware, release 0.96. I installed both Ubuntu 16.10 x64 and Ubuntu 16.04.2 LTS without issue. The core firmware is the same for all MinnowBoard Max/Turbot variants, so the OS behavior should also be similar.

Before updating the firmware, there are a few things to check …

1.     Power off the MinnowBoard. Remove the USB stick with the Ubuntu installer and make sure the SD card is in the slot.

2.     Boot the MinnowBoard and go into the firmware setup menu. Select “Boot Manager” and see if there is an entry for “Ubuntu” in the list of devices (should be at the top).

a.      Note: if you upgraded the firmware then this setting may get erased. The installer creates this entry in NVRAM after installation and sets it as the first device in the bot order.

3.     From the “Boot Manager” select “EFI Internal Shell”. This should boot you to the built-in UEFI Shell. If the SD card is recognized, then it should be listed as FS0:

a.      If FS0: is detected, run the Shell command ‘fs0:’ (without quotes) and do an ‘ls’ to see if there is anything on the partition. This should be the UEFI boot partition (ESP – EFI Service Partition), with an ‘EFI\UBUNTU’ directory containing the OS bootloader (bootx64.efi and grub).

b.     If the directory & boot loader exist, try executing ‘bootx64.efi’ to load Ubuntu.

The error you reported makes it sound like the boot variable was written correctly, but the SD card wasn’t detected and this caused the OS boot failure. This might be a minor issue (SD card slipped out of the slot), a power supply issue, faulty SD card, or some paranormal activity that I can’t help you with via email.

Once you rule out the paranormal, I recommend you update the firmware to 0.96 (x64 release version) and try again.

Thanks … br
---
Brian Richardson, Senior Technical Marketing Engineer, Intel Software
brian.richardson at intel.com<mailto:brian.richardson at intel.com> -- @intel_brian (Twitter & WeChat)
https://software.intel.com/en-us/meet-the-developers/evangelists/team/brian-richardson

From: elinux-MinnowBoard [mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of Jesus Velazquez
Sent: Wednesday, July 19, 2017 10:01 AM
To: MinnowBoard Community Email List <elinux-minnowboard at lists.elinux.org>
Subject: Re: [MinnowBoard] SD card booting issue in MinnowBoard Turbot Quad-Core

Did you try with another SD card?
What size your SD card have?

El 19/07/2017, a las 07:32, Asharaf Perinchikkal <Asharaf.Perinchikkal at quest-global.com<mailto:Asharaf.Perinchikkal at quest-global.com>> escribió:
Hi All,

This is regarding SD card booting issue in MinnowBoard Turbot Quad-Core, Dual Ethernet board.

We have installed Ubuntu 16.04 from USB drive to SD card as per steps in the link https://minnowboard.org/tutorials/installing-ubuntu-16.04-on-minnowboardmax/after-the-automated-installation-completes.But we are not possible to boot from SD card. It seems SD card is not detected.

When we tried to accesses sd card using command
    fs0: It shows an error "FS0 is not a valid mapping"

Expecting your support to resolve the sdcard booting issue.

Regards
Asharaf P
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