After writing debian image to uSD card, not able to boot even though S2 is down

[prudhviraj odela]

Hi,

I am new to embedded linux.

I am trying to boot from uSD and flash eMMC.

I copied .img of debian image to sd card using

dd if=<bone-debian-10.4-lxqt-armhf-2020-05-18-4gb.img> of=/dev/sdb

Later, when I tried to boot from SD card its not booting.

I tried to run fdisk on bone-debian-10.4-lxqt-armhf-2020-05-18-4gb.img and the output is

Disk bone-debian-10.4-lxqt-armhf-2020-05-18-4gb.img: 3.53 GiB, 3774873600 bytes, 7372800 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x59d54b87

Device                                                                              Boot Start     End Sectors  Size Id Type
bone-debian-10.4-lxqt-armhf-2020-05-18-4gb.img1 *     8192 7372799 7364608  3.5G 83 Linux

Observed only Linux partition. I don't know does the image had boot part.

Please guide me in this.

Thanks,

Prudhvi

[Dennis Lee Bieber]

On Sat, 8 Aug 2020 10:48:15 -0700 (PDT), in
gmane.comp.hardware.beagleboard.user prudhviraj odela

<prudhviodela-Re5J...@public.gmane.org> wrote:

>
>Hi,
>
>I am new to embedded linux.
>I am trying to boot from uSD and flash eMMC.
>I copied .img of debian image to sd card using
>dd if=<bone-debian-10.4-lxqt-armhf-2020-05-18-4gb.img> of=/dev/sdb

I'd suggest downloading the appropriate version of
https://www.balena.io/etcher/ and using it to create the SD card.

>Later, when I tried to boot from SD card its not booting.
>

How old is the current eMMC image? Holding down the boot select button
has not been required since the last Wheezy (7.x) as I recall, though with
the change from kernel loaded device tree to u-boot loaded device tree
(which occurred sometime in Jessie (8.x) as I recall) it may require
flashing a new u-boot first.

Did you already edit that image into a flasher? I'd normally wait until
it boots successfully before changing into a flasher and rebooting.

>Observed only Linux partition. I don't know does the image had boot part.

That too is normal for quite some time now. The "beginning" partition
that shows up on Windows is not real -- it's a file image mapped to a USB
gadget.


--
Dennis L Bieber

[prudhviraj odela]

Hi,

Thanks for the info provided. I tried with balenaEtcher it worked.

Regards,

Prudhvi

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