[Bug 879845] [NEW] Ubuntu would not boot after update to Oneiric

[Nils Durner]

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 at 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 at 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

-- 
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https://bugs.launchpad.net/bugs/879845

Title:
  Ubuntu would not boot after update to Oneiric

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  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 at 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 at 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

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