[Bug 981852] Re: package memtest86+ 4.20-1.1ubuntu1 failed to install/upgrade: Process hanged (grub+ os-probe + lvm error) and was manually killed

[Fantu]

*** This bug is a duplicate of bug 1510184 ***
    https://bugs.launchpad.net/bugs/1510184

** This bug is no longer a duplicate of bug 1309203
   package memtest86+ 4.20-1.1ubuntu8 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
** This bug has been marked a duplicate of bug 1510184
   package memtest86+ 5.01-3ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

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https://bugs.launchpad.net/bugs/981852

Title:
  package memtest86+ 4.20-1.1ubuntu1 failed to install/upgrade:  Process
  hanged (grub+ os-probe + lvm error) and was manually killed

Status in memtest86+ package in Ubuntu:
  Confirmed

Bug description:
  Getting: /dev/dm-1: read failed after 0 of 4096 at 0: Input/output
  error

  /boot is sda2 and 
  / (root) is on lvm (/dev/VG/rootfs = lvm sda6) 

  Reason could be with group-mount trying to mount lvm snapshot

  Removing that snapshot and running update-grub and dpkg-reconfigure
  memtest86+ everthing works

  ProblemType: Package
  DistroRelease: Ubuntu 12.04
  Package: memtest86+ 4.20-1.1ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic-pae 3.0.22
  Uname: Linux 3.0.0-17-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu3
  Architecture: i386
  Date: Sat Apr 14 22:28:40 2012
  ErrorMessage: ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated)
  InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Release i386 (20110427)
  SourcePackage: memtest86+
  Title: package memtest86+ 4.20-1.1ubuntu1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated)
  UpgradeStatus: Upgraded to precise on 2012-04-14 (0 days ago)

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