[Bug 601740] [NEW] Kernel 2.6.32-23-generic breaks LVM on RAID and GRUB on Boot

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Ubuntu Lucid 10.04
Kernel 2.6.32-23-generic

I recently updated the kernel to the newest version(2.6.32-23-generic)
using the update manager and now I am unable to boot in to my Lucid
installation.

My setup is LVM on top of a RAID 0 array. My computer had been running
in this configuration since Lucid was released.

The Error Code I get on Boot is to the effect of: /dev/mapper/ubuntu-os
is not available.. and then I get kicked in to Busy Box.

Once in Busy Box if I try to use mdadm to mount the RAID array I get
this error:

CREATE user root not found
CREATE group disk not found

If I boot in to the live CD I can mount all of the partitions and LVM
volumes, so it does not appear to be a failed drive or volume.

I have looked in the mdadm.conf, lvm config and grub config files and
searched the "Google" for an answer with no-avail...

It appears that the newest Kernel(2.6.32-23-generic) is the issue.

After uninstalling the newest Kernel(2.6.32-23-generic) back to Kernel
(2.6-32-22-generic) everything was back to where I left off and I am
able to boot back in.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: grub kernel lvm raid
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Kernel 2.6.32-23-generic breaks LVM on RAID and GRUB on Boot
https://bugs.edge.launchpad.net/bugs/601740
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