[Bug 1059619] Re: Installation hangs on: grub-mount /dev/sdb1 /var/lib/os-prober/mount

[Colin Watson]

I notice earlier:

  Oct  1 13:59:38 ubuntu ubiquity: grub-probe: error: cannot find a GRUB
drive for /dev/sdb1.  Check your device.map.

That's pretty odd in itself; and I wonder if grub-mount deals with that
underlying condition rather less well.

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https://bugs.launchpad.net/bugs/1059619

Title:
  Installation hangs on:  grub-mount /dev/sdb1 /var/lib/os-prober/mount

Status in “grub-installer” package in Ubuntu:
  Confirmed
Status in “grub-installer” source package in Quantal:
  Confirmed

Bug description:
  Quantal desktop on hardware (with BIOS) from USB created with dd.

  Ubiquity stops any kind of activity at the end of installation, and
  the "installation successful" dialog is never displayed. Ubiquity's UI
  is like frozen but still responsive (I can switch slides in slideshow,
  open/close the embedded terminal). The last message in the progress
  bar is "Copying installation logs".

  If the machine is rebooted, it boots successfully to the newly
  installed system despite installation didn't end.

  This is reproducible.

  Log in debug mode attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: ubiquity 2.12.5
  ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.324
  Date: Mon Oct  1 16:09:01 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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