[Bug 574808] [NEW] mdadm fails to activate raid partitions in 10.04 (add_mountroot_fail_hook: not found)

[AlainKnaff]

Public bug reported:

Binary package hint: initramfs-tools

After upgrading a system with root on a raid partition from 9.04 to
10.04, initramfs fails to mount root in 2.6.32-21-generic.

When booting with an old kernel and initramfs (2.6.28-17), it works.

I get a message about add_mountroot_fail_hook: not found.
And indeed, such symbol is defined in scripts/functions in the old initramfs, but not in the new one.

Removing and re-installing the mdadm package, and rebuilding the new
initramfs did not help.

However, if I specify the root fs as /dev/md4 (rather than with its
UUID), and then do mdadm -A --scan on the initramfs prompt, everything
works fine.

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

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mdadm fails to activate raid partitions in 10.04 (add_mountroot_fail_hook: not found)
https://bugs.launchpad.net/bugs/574808
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