[Bug 793704] Re: package grub-pc 1.99~rc1-13ubuntu3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

[DW RUST]

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https://bugs.launchpad.net/bugs/793704

Title:
  package grub-pc 1.99~rc1-13ubuntu3 failed to install/upgrade:
  subprocess installed pre-removal script returned error exit status 1

Status in “grub2” package in Ubuntu:
  New

Bug description:
  Binary package hint: grub2

  grub-install/dev/sda reported missing grub-efi after installation o f
  11.04. No boot possible

  ProblemType: Package
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-13ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Mon Jun  6 20:16:05 2011
  DpkgTerminalLog:
   Removing grub-gfxpayload-lists ...
   Removing grub-pc ...
   debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
   dpkg: error processing grub-pc (--remove):
    subprocess installed pre-removal script returned error exit status 1
  ErrorMessage: subprocess installed pre-removal script returned error exit status 1
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/hostname.seed boot=casper quiet splash --
  SourcePackage: grub2
  Title: package grub-pc 1.99~rc1-13ubuntu3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)