[Bug 596554] Re: Unable to mount root LVM partition

[Steffen Neumann]

Hi,

I can confirm this problem. I had a working natty with / living on an LVM partition,
with 9 logical volumes in total. Today, I did a do-release-update to test the almost final oneiric. 

I am dropped into a busybox shell on earch boot, because all my LVs are "not available".
Then I can lvm lvchange -ay <my logical volume>, exit the busybox shell and continue to boot normally. 

I tried to update-initramfs, and update-grub, but still I get this behavior each time.
lvm2 is 2.02.66-4ubuntu3, initramfs-tools are 0.99ubuntu7

This could be a serious problem, unless it is just our two systems.
Anything I can check ?

Steffen

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https://bugs.launchpad.net/bugs/596554

Title:
  Unable to mount root LVM partition

Status in “initramfs-tools” package in Ubuntu:
  New

Bug description:
  Binary package hint: initramfs-tools

  Installed Ubuntu using the alternate install CD. Tried both 10.04 and
  10.10 alpha (same results for both). Used guided partition w/LVM.
  (Hence /boot is a normal partition, ext2, / is ext4 on LVM.)

  Upon rebooting the system I was dropped to an initramfs prompt on
  account of the root partition, /dev/mapper/bromine-root not existing.
  However, use of the lvm utility shows no abnormalities (lvdisplay,
  pvdisplay, lvscan and pvscan all print out what I would expect them
  to).

  ls of /dev/mapper shows just a control node. System is unable to boot.

  System in question had previously been running 9.04 with a very
  similar partitioning scheme. Worked perfectly.

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