Reporter: [EMAIL PROTECTED]
Summary: Win2K unable to be booted by installed GRUB
Version: 0.91
Type: software bug
Message:
I have got a disk partitioned as follows:
Disk /dev/hda: 255 heads, 63 sectors, 9729 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 2550 20482843+ 7 HPFS/NTFS
/dev/hda2 2551 2556 48195 83 Linux
/dev/hda3 2557 7653 40941652+ 83 Linux
/dev/hda4 7654 9729 16675470 f Win95 Ext'd (LBA)
/dev/hda5 7654 7702 393561 83 Linux
/dev/hda6 7703 9566 14972548+ 83 Linux
/dev/hda7 9567 9696 1044193+ 82 Linux swap
/dev/hda8 9697 9729 265041 83 Linux
The first 20GB partition contains a Win2K installation, and the rest is a default
Redhat 7.3 installation, with the mount list as follows:
/dev/hda5 on / type ext3 (rw)
none on /proc type proc (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
/dev/hda2 on /boot type ext3 (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/hda6 on /home type ext3 (rw)
none on /dev/shm type tmpfs (rw)
/dev/hda3 on /usr type ext3 (rw)
/dev/hda8 on /var type ext3 (rw)
While building this box I first installed Windows, and then I installed Redhat.
During the redhat installation I directed the installer to set grub up on the boot
sector, not the MBR. Thus, the MBR still contained Windows' default boot loader.
After the installation I verified that Windows would still boot from the MBR. I also
verified that it would boot from a copy of GRUB on a floppy disk, with the following
commands:
root (hd0,0)
chainloader +1
boot
I then verified that Linux would boot from a floppy disk containing grub - I checked
it by chain-loading the copy of GRUB on the boot partition from the instance on the
floppy. All worked fine.
I then installed GRUB on to the MBR. Now, Linux will boot perfectly both directly
from the copy of GRUB on the MBR and by chain-loading the copy of GRUB on the boot
sector. Windows, however, hangs while displaying the initial, text-mode progress bar
during the hardware detection phase of its boot. Windows is still bootable by using
the copy of GRUB on the floppy disk, but it will not boot from either the copy of GRUB
on the MBR or on the Linux boot sector, using exactly the same commands.
My GRUB config file is:
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,1)
# kernel /vmlinuz-version ro root=/dev/hda5
# initrd /initrd-version.img
#boot=/dev/hda2
default=0
timeout=10
splashimage=(hd0,1)/grub/splash.xpm.gz
title Red Hat Linux (2.4.18-3)
root (hd0,1)
kernel /vmlinuz-2.4.18-3 ro root=/dev/hda5
initrd /initrd-2.4.18-3.img
And my device.map file is:
# this device map was generated by anaconda
(fd0) /dev/fd0
(hd0) /dev/hda
If you need any more information, please inform me.
Simon
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