Bug#1108123: Trixie installation on virtual machine (not tested on physical) don't boot. It remain stucked in GRUB

[Alex. I. TRIPCEA]

Yes, "shim_lock=y" is present, whatever the installation tested.
What is intriguing for me is that fact that after installing from bookworm
netinst media, same setting as with Trixie rc1 - firmware UEFI, the machine
boot ok