grub2 can't be installed in bootsector of logical partion - silently fails

Bug #586548 reported by Carsten Krüger on 2010-05-27
This bug affects 2 people
Affects Status Importance Assigned to Milestone
edubuntu-live (Ubuntu)
grub2 (Ubuntu)

Bug Description

Binary package hint: grub2

I'm trying to install grub2 to bootsector of a logicial partition with the following command
grub-install -root-directory=/medua/.... /dev/sda6 --force
It warn's me about not writing to MBR, but it fails silently.

If I read the bootsector with dd if=/dev/sda6 of=bootsect.lnx count=1 bs=512
the file is filled with zeroes.
Either the bootsector is written to wrong position or it's not written at all.
If I write grub2 to bootsector of primary partition I get the same warning about MBR but the
bootsector is written correctly.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic
Uname: Linux 2.6.32-21-generic i686
Architecture: i386
Date: Thu May 27 22:46:32 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: grub2

R@yM@n29 (sticky-29) wrote :

I have the same problem whith the install (with a live dvd) of an edubuntu 10.10 x64
The install fail.

I don't arrive to rescue my grub with grub-install after chroot under the liveDVD.
os-probe fail
I don't have the grub.cfg file and the initrd.img file.

I dont arrived to boot under the grub> prompt by editing the menu line.

My / is on a logical partition (ext4)
My PC is a notebook Toshiba A665-147

Sorry for my bad english !

Thanks by advance for all

Changed in edubuntu-live (Ubuntu):
status: New → Invalid
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