[Bug 960322] Re: Degraded Raid 6 boot fails with "invalid arch independent ELF magic" or other errors

[Ian Macintosh]

This is another fresh Oneiric install, this time to an 8 drive x 3G raid
6 with ext2 on /boot, reiserfs on / and 2g swap all on LVM.

If I remove /dev/sda the same error occurs as with the previous
incarnations.

Are you having trouble replicating this?

Every time a coconut for me.

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https://bugs.launchpad.net/bugs/960322

Title:
  Degraded Raid 6 boot fails with "invalid arch independent ELF magic"
  or other errors

Status in “grub2” package in Ubuntu:
  Incomplete

Bug description:
  To replicate: Create or build a server with sufficient drives for a
  Raid 6 array, remove one of the raid drives, and try to boot.

  In my case I created an ESXi 5.0 VM with Ubuntu Oneiric 11.10 64bit
  Server (ubuntu-11.10-server-amd64.iso) with 1 GB RAM, and 4 x 3GB
  drives.  Manual setup, partition the 4 drives, Raid 6 them, create an
  LVM vg with 0.5G /boot, 1G swap and the balance on /.

  It installs and reboots without an issue.  I shut it down, removed
  /dev/sda and tried to boot.

  Fails with "invalid arch independent ELF magic"

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: grub2 1.99-12ubuntu5
  ProcVersionSignature: Ubuntu 3.0.0-12.20-server 3.0.4
  Uname: Linux 3.0.0-12-server x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Tue Mar 20 15:30:10 2012
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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