[Bug 1445727] [NEW] installer crashes during "run grub-install /dev/sda"

[Jack Trades]

Public bug reported:

I seem to have this crash on every install, every time, at the same
point (3 so far, 2 with Kubuntu and now 1 on Ubuntu).

The first time I couldn't get past the grub command prompt (though I
didn't really try).  The second time Kubuntu installed fine, but I still
got the error.  I haven't restarted yet to see what happens now.

Apparently I can only attach one file, but if you need more information
I can probably reproduce this.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: ubiquity 2.20.0
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CasperVersion: 1.345
Date: Sat Apr 18 00:01:56 2015
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
LiveMediaBuild: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubiquity-2.20.0 ubuntu utopic

** Attachment added: "syslog"
   https://bugs.launchpad.net/bugs/1445727/+attachment/4378931/+files/syslog

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https://bugs.launchpad.net/bugs/1445727

Title:
  installer crashes during "run grub-install /dev/sda"

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I seem to have this crash on every install, every time, at the same
  point (3 so far, 2 with Kubuntu and now 1 on Ubuntu).

  The first time I couldn't get past the grub command prompt (though I
  didn't really try).  The second time Kubuntu installed fine, but I
  still got the error.  I haven't restarted yet to see what happens now.

  Apparently I can only attach one file, but if you need more
  information I can probably reproduce this.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity 2.20.0
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CasperVersion: 1.345
  Date: Sat Apr 18 00:01:56 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
  LiveMediaBuild: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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