bugGNU GRUB - Bugs: bug #9724, Cannot boot Windows XP on hd1;...

 
 

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bug #9724: Cannot boot Windows XP on hd1; 'map' command doesn't work

Submitter:  Jason Rennie <jrennie>
Submitted:  Thu 22 Jul 2004 03:22:34 AM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name:  Jason Rennie
Open/Closed:  Closed Release:  None
Release:  0.95 Reproducibility:  Every Time
Planned Release:  None

Sat 15 Dec 2007 01:00:18 PM UTC, comment #5: 

We've moved to GRUB 2 as a development platform. Please can you check if this bug still applies there, and if it does, reopen it?

Thanks

Robert Millan <robertmh>
Group administrator
Mon 26 Jul 2004 02:41:01 PM UTC, comment #4: 

Miguel Angel Haluza pointed out to me that I should have used "rootnoverify (hd1,0)" in my original set-up.  He is able to boot XP on non-first HD in this way.

I don't think I would have made my mistake if the following was included in the manual under Booting::OS-specific notes::DOS/Windows:

Note that Grub's own drive numbering is unaffected by the map command.  I.e. in the given scenario, the following sequence of commands would boot DOS/Windows:

grub> map (hd0) (hd1)
grub> map (hd1) (hd0)
grub> rootnoverify (hd1,0)
grub> makeactive
grub> chainloader +1
grub> boot

Jason Rennie <jrennie>
Thu 22 Jul 2004 03:28:38 AM UTC, comment #3: 

Wishing you could edit comments...
bugs #9159

Jason Rennie <jrennie>
Thu 22 Jul 2004 03:27:18 AM UTC, comment #2: 

Doh! I meant:
bugs 9159

Jason Rennie <jrennie>
Thu 22 Jul 2004 03:24:43 AM UTC, comment #1: 

The exact grub version is 0.95+cvs20040624-3 (Debian)

Again, this bug may be related to
bugs #9195

Jason Rennie <jrennie>
Thu 22 Jul 2004 03:22:34 AM UTC, original submission:  

I have the following disk set-up:

/dev/hda1 *  20GB  Debian Sarge (mounted as /)
/dev/hda2     2GB  Swap Space

/deb/hdb1 *  40GB  Windows XP

My Windows grub menu.lst entry:

title Windows
map (hd0) (hd1)
map (hd1) (hd0)
rootnoverify (hd0,0)
makeactive
chainloader +1
boot

When I select this entry, grub reports

  Error 13: Invalid or unsupported executable format

If I use 'root' instead of 'rootnoverify', I get this additional message:

  Filesystem type is ext2fs, partition type 0x83

If I get rid of the two map commands, I get the same message.  It seems that the map commands aren't working.  If I do 'root (hd1,0)', I get this message:

  Filesystem type unknown, partition type 0x7

but then the machine freezes.  Adding back the map commands doesn't change anything.

Thinking that this might be a issue with the location of /boot on the drive, I repartitioned & reinstalled Debian with this configuration on hda:

/dev/hda1 *   1GB  ext3 /boot
/dev/hda2    19GB  ext3 /
/dev/hda3     2GB  Swap Space

I got the same problem as described above.  I then decided to swap the drives and reinstall (so that I wouldn't need to call 'map' to boot Windows XP).  New configuration:

/deb/hda1 *  40GB  Windows XP

/dev/hdb1 *   1GB  ext3 /boot
/dev/hdb2    19GB  ext3 /
/dev/hdb3     2GB  Swap Space

Windows /boot/grub/menu.lst entry:

title           Windows 95/98/NT/2000
root            (hd0,0)
makeactive
chainloader     +1

Now I can boot Windows XP.

This may be related to bug #9159.

Jason Rennie <jrennie>

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2007-12-15 robertmh Open/ClosedOpen Closed

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