[Bug 423412] [NEW] karmic alpha: grub2 core.img with mdraid & lvm too big to embed

[Roland Dreier]

Public bug reported:

Binary package hint: grub2

I tried to install a system with today's Karmic amd64 alternate CD, and
with / on LVM on RAID.  This setup used to work with older Karmic alphas
(and presumably older grub2), but with the latest grub2, the core.img
ends up being > 33000 bytes, which is just a bit more than the 31744 (=
62*512) bytes of space available for embedding.  So grub-install fails
and the system is unbootable.

The core.img that is built seems pretty minimal -- the raid, mdraid and
lvm added in, which are all necessary AFAIK.

Not sure what the right way to handle this is -- LVM on RAID seems
pretty mainstream, and the code just needs to be shrunk < %10 for
core.img to fit, so fixing this would be great if possible.  On the
other hand, being so close to the limit seems pretty fragile....

ProblemType: Bug
Architecture: amd64
Date: Wed Sep  2 13:35:50 2009
DistroRelease: Ubuntu 9.10
Package: grub-pc 1.96+20090826-3ubuntu3
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-9.29-generic
SourcePackage: grub2
Uname: Linux 2.6.31-9-generic x86_64

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
karmic alpha: grub2 core.img with mdraid & lvm too big to embed
https://bugs.launchpad.net/bugs/423412
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