[Bug 1000770] [NEW] In Ubuntu installer, LVM device nodes are not created in time

[Sgifford]

Public bug reported:

This is similar to bug #964957, but requires a different workaround, so
I am reporting it as a new issue.

When install Ubuntu with root and swap on LVM, the installer sometimes
warns, "Could not stat device /dev/mapper/hostname-root - No such file
or directory".  Selecting Retry does not fix the issue.  However, if I
switch to a different virtual terminal and run "vgscan --mknodes", then
switch back to the install terminal and select "Retry", everything works
as usual.

In the Precise Pangolin betas, I did not have to use this workaround
(but did have to use the workaround in bug #964957).

I will attach a few screenshots in case they help to clarify things.

** Affects: partman-auto-lvm (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1000770

Title:
  In Ubuntu installer, LVM device nodes are not created in time

Status in “partman-auto-lvm” package in Ubuntu:
  New

Bug description:
  This is similar to bug #964957, but requires a different workaround,
  so I am reporting it as a new issue.

  When install Ubuntu with root and swap on LVM, the installer sometimes
  warns, "Could not stat device /dev/mapper/hostname-root - No such file
  or directory".  Selecting Retry does not fix the issue.  However, if I
  switch to a different virtual terminal and run "vgscan --mknodes",
  then switch back to the install terminal and select "Retry",
  everything works as usual.

  In the Precise Pangolin betas, I did not have to use this workaround
  (but did have to use the workaround in bug #964957).

  I will attach a few screenshots in case they help to clarify things.

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