[Bug 680738] Re: grup-pc fails upgrading with a dm-crypt root: package grub-pc 1.98-1ubuntu8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Marcus Tomlinson]

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know.

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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Title:
  grup-pc fails upgrading with a dm-crypt root: package grub-pc
  1.98-1ubuntu8 failed to install/upgrade: subprocess installed post-
  installation script returned error exit status 1

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: grub2

  Hello,

  When trying to upgrade to the latest 10.04 grub-pc package I've got the following errors:
  /usr/sbin/grub-probe: error: no mapping exists for `vg0-root'.
  /usr/sbin/grub-probe: error: no mapping exists for `vg0-root'.

  
  The root filesystem is a dm-crypt volume.

  the full (relevant) dpkg output is:
  Setting up grub-pc (1.98-1ubuntu8) ...
  /usr/sbin/grub-probe: error: no mapping exists for `vg0-root'.
  Auto-detection of a filesystem module failed.
  Please specify the module with the option `--modules' explicitly.
  Generating grub.cfg ...
  /usr/sbin/grub-probe: error: no mapping exists for `vg0-root'.
  dpkg: error processing grub-pc (--configure):
   subprocess installed post-installation script returned error exit status 1

  Please tell me If you need more info or any help debugging this.

  ProblemType: Package
  DistroRelease: Ubuntu 10.04
  Package: grub-pc 1.98-1ubuntu8
  ProcVersionSignature: Ubuntu 2.6.32-25.45-generic 2.6.32.21+drm33.7
  Uname: Linux 2.6.32-25-generic x86_64
  NonfreeKernelModules: wl nvidia
  Architecture: amd64
  Date: Wed Nov 24 02:11:06 2010
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  SourcePackage: grub2
  Title: package grub-pc 1.98-1ubuntu8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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