[Bug 1632560] Re: grub-installer fails, can't dpkg remove grub-pc

[Mark Reinhold]

The relevant syslog lines seem to be:

Oct 12 03:08:34 lubuntu grub-installer: info: Identified partition label for /dev/mapper/t460s-root: loop
Oct 12 03:08:34 lubuntu grub-installer: (Reading database ... 147800 files and directories currently installed.)
Oct 12 03:08:34 lubuntu grub-installer: Removing grub-gfxpayload-lists (0.7) ...
Oct 12 03:08:34 lubuntu grub-installer: Removing grub-pc (2.02~beta2-36ubuntu11) ...
Oct 12 03:08:34 lubuntu grub-installer: dpkg: error processing package grub-pc (--purge):
Oct 12 03:08:34 lubuntu grub-installer:  subprocess installed pre-removal script returned error exit status 10
Oct 12 03:08:34 lubuntu grub-installer: dpkg: dependency problems prevent removal of grub-pc-bin:
Oct 12 03:08:34 lubuntu grub-installer:  grub-pc depends on grub-pc-bin (= 2.02~beta2-36ubuntu11).
Oct 12 03:08:34 lubuntu grub-installer: 
Oct 12 03:08:34 lubuntu grub-installer: dpkg: error processing package grub-pc-bin (--purge):
Oct 12 03:08:34 lubuntu grub-installer:  dependency problems - not removing
Oct 12 03:08:34 lubuntu grub-installer: Processing triggers for man-db (2.7.5-1) ...
Oct 12 03:08:35 lubuntu grub-installer: Errors were encountered while processing:
Oct 12 03:08:35 lubuntu grub-installer:  grub-pc
Oct 12 03:08:35 lubuntu grub-installer:  grub-pc-bin


** Summary changed:

- Installer crashed
+ grub-installer fails, can't dpkg remove grub-pc

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https://bugs.launchpad.net/bugs/1632560

Title:
  grub-installer fails, can't dpkg remove grub-pc

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I was trying to install a recent Lubuntu 16.10 daily build on a new
  Thinkpad T460s.  I preconfigured the disk using LVM.  Not sure why it
  failed.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: ubiquity 16.10.13
  ProcVersionSignature: Ubuntu 4.8.0-21.23-generic 4.8.0
  Uname: Linux 4.8.0-21-generic x86_64
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.379
  Date: Tue Oct 11 21:00:38 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/lubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Lubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20161008)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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