[Bug 1027539] [NEW] Lubuntu installer crashed on installing grub

[LA]

Public bug reported:

sudo grub-install /dev/sda
/usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?).

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.17
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic i686
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
CasperVersion: 1.315
Date: Sun Jul 22 03:00:28 2012
InstallCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/lubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
LiveMediaBuild: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
ProcEnviron:
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 precise ubiquity-2.10.16

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https://bugs.launchpad.net/bugs/1027539

Title:
  Lubuntu installer crashed on installing grub

Status in “grub-installer” package in Ubuntu:
  New

Bug description:
  sudo grub-install /dev/sda
  /usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?).

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.17
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic i686
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: i386
  CasperVersion: 1.315
  Date: Sun Jul 22 03:00:28 2012
  InstallCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/lubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  LiveMediaBuild: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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