Public bug reported: The update process to Oneiric reported that it was unable to update grub. Now, the boot screen is just black with a blinking cursor, no traces of grub or the kernel.
--- # parted GNU Parted 2.3 Using /dev/sda Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print Model: ATA WDC WD2001FASS-0 (scsi) Disk /dev/sda: 2000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 4000MB 3999MB linux-swap(v1) 2 4000MB 2000GB 1996GB xfs --- Reinstalling grub in chroot fails: --- root@ubuntu:/# grub-install /dev/sda /usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!. /usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged.. /usr/sbin/grub-setup: error: will not proceed with blocklists. root@ubuntu:/# grub-install /dev/sda2 /usr/sbin/grub-setup: error: /dev/sda appears to contain a xfs filesystem which isn't known to reserve space for DOS-style boot. Installing GRUB there could result in FILESYSTEM DESTRUCTION if valuable data is overwritten by grub-setup (--skip-fs-probe disables this check, use at your own risk). --- Creating a new boot partition with ext2 yields the same grub message about blocklists ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/879845 Title: Ubuntu would not boot after update to Oneiric To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/879845/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs