On lucid server x86-64 after "aptitude upgrade" system was left unbootable. mount in initramfs said "device not found" for /dev/mapper/ubuntu-root. I fixed it after adding "rootfstype=ext4" in /boot/grub/grub.cfg.
On lucid server x86-64 after "aptitude upgrade" system was left unbootable. mount in initramfs said "device not found" for /dev/mapper/ ubuntu- root. I fixed it after adding "rootfstype=ext4" in /boot/grub/ grub.cfg.