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

[Steffen Neumann]

I was reading similar bug reports, and it seems to be that the LVM partitions don't trigger a vgscan, 
so it might be rather a runtime than an initrd creation problem. 

** Package changed: initramfs-tools (Ubuntu) => udev (Ubuntu)

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Title:
  Unable to mount root LVM partition

Status in “udev” 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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