Generally a .wic image is intended to be installed directly to its final
destination, whereas an hddimg is for evaluation and installation elsewhere.
By default meta-intel .wic images only have an EFI bootloader, and will
not boot via legacy BIOS.
An hddimg will have both an EFI bootloader and the syslinux binaries
that let it boot from legacy BIOS.
On startup with your installer USB image do you get a light gray screen
with four options? If so it is booting via legacy BIOS.
Are you able to get to an EFI shell? It may be worth poking around
there. At the very least to make sure there is an fs0: that contains a
bootx64.efi under the /EFI/BOOT/ directory. If that isn't there then
your firmware isn't seeing the SSD at all for some reason.
Thanks,
Cal
On 03/28/2018 06:29 PM, Mohammad, Jamal M wrote:
It’s EFI, Doesn’t work with Legacy, since it has bootx64.efi in the
first partition.
What is the difference between .hddimg and .wic format.
*From:*Cal Sullivan [mailto:[email protected]]
*Sent:* Thursday, March 29, 2018 12:09 AM
*To:* Mohammad, Jamal M <[email protected]>;
[email protected]
*Subject:* Re: [meta-intel] Unable to install the image on the hard disk
Does your board startup via EFI or legacy BIOS? Try toggling it if you
can.
Thanks,
Cal
On 03/27/2018 11:03 PM, Mohammad, Jamal M wrote:
Hi Guys,
1.Created an minimal yocto image using "bitbake
core-image-minimal" command
2. Flashed the USB using the dd command.
sudo dd
if=tmp/deploy/images/intel-corei7-64/core-image-minimal-intel-corei7-64.hddimg
of=/dev/sdb
3.Clicked on install and typed “sda”
4.The installation was successful and when I tried to restart by
removing the USB Drive, it says “No boot options found. Please
install bootable media and restart."
What is the mistake I am doing here.
If I boot from USB, it works and there is no issue, I am able to
login into the system. Also after flashing I checked the sda1 sda2
with bootable USB, sda1 has boot partition and sda2 has root
partition..
I am trying this on Braswell based board ( Intel Celeron N3160 )
Thanks and Regards,
Jamal
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