[Bug 964957] Re: Installer warns "Could not stat device /dev/mapper/hostname-root - No such file or directory", works after retry

[Launchpad Bug Tracker]

This bug was fixed in the package partman-auto-lvm - 44ubuntu1

---------------
partman-auto-lvm (44ubuntu1) quantal; urgency=low

  * Resynchronise with Debian (update-dev change in version 43 fixes
    LP: #964957).  Remaining changes:
    - Accept autopartitioning automatically.
    - Change fallback VG name to Ubuntu.
    - Ask how much of the VG should be used for logical volumes, rather than
      unconditionally using it all.

partman-auto-lvm (44) unstable; urgency=low

  * Team upload
  * Replace XC-Package-Type by Package-Type

  [ Updated translations ]
  * Welsh (cy.po) by Dafydd Tomos
  * Lithuanian (lt.po) by Rimas Kudelis
  * Latvian (lv.po) by Rūdolfs Mazurs

partman-auto-lvm (43) unstable; urgency=low

  [ dann frazier ]
  * Call update-dev --settle between creating lvs and accessing them

  [ Updated translations ]
  * bo (bo.po) by Tennom
  * Macedonian (mk.po) by Arangel Angov
  * Punjabi (Gurmukhi) (pa.po) by A S Alam
  * Portuguese (Brazil) (pt_BR.po) by Felipe Augusto van de Wiel (faw)
 -- Colin Watson <cjwatson at ubuntu.com>   Thu, 21 Jun 2012 11:49:06 +0100

** Changed in: partman-auto-lvm (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/964957

Title:
  Installer warns "Could not stat device /dev/mapper/hostname-root - No
  such file or directory", works after retry

Status in “partman-auto-lvm” package in Ubuntu:
  Fix Released

Bug description:
  When I try to install Ubuntu Precise Pangolin with my filesystems on
  LVM volumes, it gives me this warning:

    Could not stat device /dev/mapper/hostname-root - No such file or
  directory.

  If I select "Retry", everything works.

  It appears that the LVs are created, but their entries in
  "/dev/mapper" don't exist yet when the rest of the system tries to use
  them.

  After I retry, the entries do exist and so everything works.

  An easy fix seems to be adding a short delay after creating the LVs,
  so they are ready by the time other parts of the install process
  begin.

  I will attach a short video with some more information, along with the
  fix that worked for me.

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