On 29 Dec 2023 18:56 +0100, from rich...@rosner-online.de (Richard Rosner): > Hey, I have quite the strange issue. After updating a bunch of > packages today [1], mostly related to systemd, gstreamer and udev, > and restarting my device, it no longer boots. I have an encrypted > system. So I do get asked for my decryption password as usual, but a > few seconds later, instead of continuing to the Grub boot menu, my > device simply reboots to the BIOS menu.
Sounds to me very much like GRUB is having trouble finding or reading critical files under /boot/grub, and gives up for that reason. But it _should_ stop, not reboot, if that's the case. >From what you describe, it sounds like you use a LUKS-encrypted /boot. Is that correct? Also, please confirm that the contents of /boot/grub are located on the same file system as the contents of /boot (that is, that /boot/grub is not on its own file system). You probably already know this, but the GRUB LUKS passphrase prompt is very early stage. Have you tried making a video recording of the screen from when you press Enter at the passphrase prompt, to when it reboots, and then go through that carefully (frame by frame)? Maybe GRUB _does_ print something indicating what the actual problem is, but it reboots so quickly after that that you don't have time to see it. A video might capture that fraction-of-a-second display (even if only partially) and help point you in the right direction. -- Michael Kjörling 🔗 https://michael.kjorling.se “Remember when, on the Internet, nobody cared that you were a dog?”
