OK! Thanks! I'll try it soon.

On 2/10/26 12:13, Xiaotian Wu wrote:
Thank you for reporting this issue.

As a temporary solution, adding `GRUB_FORCE_EFI_ALL_VIDEO=1` to the grub configuration file and then rebuilding the grub.cfg file should resolve the problem.

I spent some time investigating the background of this issue and found it quite interesting.

First, an issue was discovered on an x86_64 Debian system and reported to the QEMU community: https://gitlab.com/qemu-project/qemu/-/issues/2562

Qemu project said this is not their bug, so the bug was reported to the GRUB community: https://savannah.gnu.org/bugs/index.php?66200

Then, GRUB fixed the issue: https://gitweb.git.savannah.gnu.org/gitweb/?p=grub.git;a=commitdiff;h=ea0b76dc4a003f2b7f828ef0c24cc8227148b2f8

It was this commit that introduced the new bug. I believe that efi_uga has been replaced by efi_gop[1] and should not be added back; if it must be added, it should be limited to i386_efi and x86_64_efi[2], so the grub community needs to fix this issue again.

[1]: https://github.com/tianocore/edk2/pull/11200
[2]: https://gitweb.git.savannah.gnu.org/gitweb/?p=grub.git;a=blob;f=grub-core/Makefile.core.def;h=0cf155128dc53f70ff352cb52a616a248d51839b;hb=HEAD#l2363

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