[Bug 358971] Re: superblock on md0 confuses boot

[n0PxN0p]

*** This bug is a duplicate of bug 1003309 ***
    https://bugs.launchpad.net/bugs/1003309

** This bug is no longer a duplicate of bug 251164
   boot impossible due to missing initramfs failure hook / event driven initramfs
** This bug has been marked a duplicate of bug 1003309
   Boot fails after installing updates, error: “cryptsetup: evms_activate is not available"

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https://bugs.launchpad.net/bugs/358971

Title:
  superblock on md0 confuses boot

Status in “linux” package in Ubuntu:
  Won't Fix
Status in “mdadm” package in Ubuntu:
  New

Bug description:
  My linux system isn't booting anymore and
  boot does halt/not drop to busybox anymore

  My system setup:
  4 sata drives which are combined to a raid10 on /dev/md0

  Situation:
  After one of the later updates of the jaunty 2.6.28-11 kernel my system did not boot properly anymore. When I disable "quiet splash" in the boot args it shows to set up the sata drives and md0.
  Trying to use the md0 as root it says "md0: Unknown partition table".
  Once that's done it prints a "Done." message and then nothing happens (does not even drop to busybox).
  When I hit CTRL+ALT+DEL it says it's stopping the md device.
  Even when I tell the kernel to use a non existant root "/dev/efghr" it does not drop to busybox.
  --------------------------------------------
  I had also a previous 2.6.28-10 kernel which booted fine. So I figured it had to be a bug in the kernel so I did a update-initramfs on the 2.6.28-10 kernel and afterwards I have the same behaviour as with the 2.6.28-11 kernel.
  The thing that IMO changed is via update-initramfs a newer version of mdadm seems to be put in the initramfs which seems to be screwed - that's at least the only plausible thing I can think of.

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