[Bug 1070934] Re: /scripts/local/cryptroot can't find /dev/mapper/vgubuntu-root

[Steve Langasek]

On Wed, Nov 07, 2012 at 04:19:56PM -0000, flrtx wrote:
> Since there has been no activity here since a few days now and I have to
> manually select the right kernel at every boot, I'd like to reask my
> question: Is it a good idea to run "update-initramfs -u -k all" or do I
> risk loosing the working initramfs for the 3.2 kernel?

You definitely *don't* want to do that, that will regenerate the initramfs
for the previous kernel and there's a very good chance it will cause it to
be affected by this issue.  Sorry, hadn't replied yet because I was hoping
to be able to make a suggestion for how to debug the actual issue - it's
still not clear to me what's happening here and how to debug it.

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https://bugs.launchpad.net/bugs/1070934

Title:
  /scripts/local/cryptroot can't find /dev/mapper/vgubuntu-root

Status in “cryptsetup” package in Ubuntu:
  Incomplete

Bug description:
  I upgraded my netbook from Ubuntu 12.04 to 12.10 and now it won't boot.
  It is encrypted using cryptsetup and a LVM with a sperate home partition, that means 4 partitions in total:
  - /dev/sda1 unencrypted, mounted to /boot
  - /dev/sda2 encrypted as lukslvm containing vgubuntu-root (/), vgubuntu-home (/home) and swap

  After I've typed in my password, I get the following error message:
  /scripts/local/cryptroot: line 1: can't open /dev/mapper-vgubuntu-root: no such file

  Then, some other processes are started but at some point everything
  just stops and I don't get to a working system.

  I appreciate any kind of help. My computer simply doesn't work at all
  so I'd be glad if this could be solved soon. Thanks.

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