[Bug 1170584] Re: installer unresponsive after attempting grub installation on partitionable raid

[Tuomas Heino]

Error message most likely was a result of mdadm missing from /target.
But UI shouldn't hang then.

$ sudo mount --bind /run/resolvconf/resolv.conf /target/etc/resolv.conf
$ sudo chroot /target apt-get install mdadm
$ sudo chroot /target grub-install /dev/md_d2
Installation finished. No error reported.

... that is still missing something to actually boot. Might be trying to
boot off one of them virtual disks that have not been synced yet though.

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https://bugs.launchpad.net/bugs/1170584

Title:
  installer unresponsive after attempting grub installation on
  partitionable raid

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

Bug description:
  1. boot to livecd (desktop)
  2. $ sudo apt-get install mdadm
  3. $ sudo mdadm -C /dev/md_d2 -l 1 -n 1 -f -x 2 /dev/vd[abc]
  4. run installer, tell it to use entire md_d2 disk for lvm

  Results in:
  Executing 'grub-install /dev/vda' failed.
  This is a fatal error.

  Somewhat related to bug #1058129 and bug #1068137.

  After looking around a bit and possibly mounting things that were not mounted:
  $ sudo grub-install --root-directory=/target /dev/md_d2
  Installation finished. No error reported.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubiquity 2.14.3
  ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6
  Uname: Linux 3.8.0-18-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  CasperVersion: 1.330
  Date: Fri Apr 19 09:28:08 2013
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130418)
  MarkForUpload: True
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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