On Sun, Nov 26, 2023 at 09:01:12 +0000, Mate Kukri wrote: > The mechanism used to load the kernel has changed from GRUB 2.06 to > GRUB 2.12, it is possible that there are unfortunate bugs in either in > GRUB and/or your firmware that is stopping the new mechanism from > loading the kernel.
Just as a point of comparison, I updated a Lenovo ThinkPad T470 from 2.12~rc1-11 to 2.12~rc1-12 today, and didn't see any trouble. The boot log shows "Kernel is locked down from EFI Secure Boot", and the initial system installation was done in January 2023 with 2.06-3~deb11u5 as the GRUB version (from "installer build 20210731+deb11u7+b1"). -- Michael
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