[Bug 1066324] Re: core.img too large for embedding with msdos partition style (possibly only when boot is on LVM or other complex partition type?)

[ruediix at gmail.com]

Would creating a build optimized for size help here?  I don't think the
memory alignment build options really will give much advantage for boot
time on Grub, it's only a few kilobytes of code, and most of it is only
run under certain situations.

If we absolutely had to, we could create a version called "mini" for
these affected systems, which has far fewer features.

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https://bugs.launchpad.net/bugs/1066324

Title:
  core.img too large for embedding with msdos partition style (possibly
  only when boot is on LVM or other complex partition type?)

Status in Release Notes for Ubuntu:
  Invalid
Status in Release Notes for Ubuntu quantal series:
  Triaged
Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  After upgrading to 12.10 I found that I could no longer boot my
  system.  Instead I ended at a grub rescue prompt.  Attempting to fix
  this by booting from a USB stick built from the 12.04 alternative
  installer revealed that grub could no longer embed the necessary
  core.img file.  This same configuration worked flawlessly under 12.04,
  but no longer works under 12.10.  This would appear to be a
  regression.

  In order to get the system booting again, I had to move to a gpt
  partition table to allow for the larger core.img size.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: grub-pc 2.00-7ubuntu10
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  Date: Sat Oct 13 08:41:42 2012
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to quantal on 2012-10-12 (0 days ago)

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