Hi Ard, everyone,
On 23. 05. 23 17:31, Ard Biesheuvel wrote:
> Switch the x86 based EFI platform builds to the generic EFI loader,
> ...
We use GRUB as the loader for the Home Assistant Operating System (based
on Buildroot, using mostly unpatched GRUB 2 build [1]) and after
updating to the latest 2.12 release, this patch (commit
cfbfae1aef0694b416aa199291cfef7596cdfc20) has been identified to break
boot on Intel Atom NM10, at least with upstream kernel 6.6 with
CONFIG_EFI_STUB enabled. I reproduced it on Intel D525MW board, and
there are some more reports from HAOS users on Github [2].
Initially, we decided to revert the patch [3] for the time being,
however, while it fixed issue for users running on those rather old
boards, it broke boot [4] on the comparatively newer Fujitsu Esprimo
Q920. From the user reports, there is no BIOS update available that will
make any difference but reverting to a "vanilla" 2.12 fixes that.
Do you have a clue what could have gone wrong, either with the original
patch, or why the revert breaks the other platform? I'll be happy to get
any details and perform tests on the NM10 board I have here.
Alternatively, I can also ask users with the Q920 for more details or do
some tests.
Regards,
Jan
[1]
https://github.com/home-assistant/buildroot/tree/2024.02.x-haos/boot/grub2
[2] https://github.com/home-assistant/operating-system/issues/3305
[3] https://github.com/home-assistant/operating-system/pull/3324
[4] https://github.com/home-assistant/operating-system/issues/3348
_______________________________________________
Grub-devel mailing list
Grub-devel@gnu.org
https://lists.gnu.org/mailman/listinfo/grub-devel
