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Full Version: Partition Table Problem On Dual Boot System
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hi all!

I've got a huge huge problem. I have a notebook with a 40G harddisk. I had XP and Mandrake 10 on it, and both systems booted and ran well. Then, i installed SUsE Linux 9.0 over the Mandrake distro, and since then, Win XP does not boot anymore: the XP startup logo appears for 2 seconds and then i get a bluescreen telling me STOP 0x000000ED - UNMOUNABLE_BOOT_VOLUME.

I am totally puzzled, because i did not expect the SuSE installation routine to mess up my partition table or MBR, since all the partitions have been created before (using Mandrake). However, SuSE installed the GRUB boot manager, so maybe this has something to do with it?

Here is my current hard disk layout:

Disk /dev/hda: 5168 cylinders, 240 heads, 63 sectors/track
Units = cylinders of 7741440 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End #cyls #blocks Id System
/dev/hda1 * 0+ 1081 1082- 8179888+ 7 HPFS/NTFS
/dev/hda2 1082 4706- 3625- 27401472 5 Extended
/dev/hda3 4707 5167 461 3485160 83 Linux
/dev/hda4 0 - 0 0 0 Empty
/dev/hda5 1082+ 2147- 1066- 8058424+ b Win95 FAT32
/dev/hda6 2147+ 4242- 2095- 15838168+ 83 Linux
/dev/hda7 4242+ 4706- 464- 3504784+ 82 Linux swap

I can boot Linux (which is on /dev/hda6) and it runs well, and interestingly, i can access both windows partitions from Linux (/dev/hda1 as /windows/C, /dev/hda5 as /windows/d).

To sum up: I am left now with a non-booting XP and a working linux system. However, i need XP for my job. I have read that i can run a CHKDSK from the XP recovery CD, but i am hesitating for 2 reasons:
1. i fear that this will make linux unaccessible to me (kill the grub bootmanager, etc.)
2. i have to get the XP CD from the Sysadmin, who will get mad at me when i explain the situation :-]

what do you think causes my problem? how can i fix it? What would you do in my situation? Thanks!


please post here your /etc/grub/menu.lst

Robert B
hi Robert,

*) here is the content of /etc/boot.conf

---------begin snippet--------
root (hd0,5)
install --stage2=/boot/grub/stage2 /boot/grub/stage1 d (hd0) /boot/grub/stage2 0
x8000 (hd0,5)/boot/grub/menu.lst
---------end snippet--------

*) here is the content of /boot/grub/menu.lst:

---------begin snippet--------
# Modified by YaST2. Last modification on Sat May 15 21:53:04 2004

color white/blue black/light-gray
default 0
timeout 8
gfxmenu (hd0,5)/boot/message

###Don't change this comment - YaST2 identifier: Original name: linux###
title Linux
kernel (hd0,5)/boot/vmlinuz root=/dev/hda6 vga=0x314 splash=silent desktop h
dc=ide-scsi hdclun=0 showopts
initrd (hd0,5)/boot/initrd

###Don't change this comment - YaST2 identifier: Original name: windows###
title Windows
root (hd0,0)
chainloader +1

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe
kernel (hd0,5)/boot/vmlinuz root=/dev/hda6 showopts ide=nodma apm=off acpi=o
ff vga=normal nosmp noapic maxcpus=0 3
initrd (hd0,5)/boot/initrd
---------end snippet--------

*) here is some interesting output that i get from several partitioning tools, for instance "parted /dev/hda print":

---------begin snippet--------
Warning: Unable to align partition properly. This probably means that another
partitioning tool generated an incorrect partition table, because it didn't have
the correct BIOS geometry. It is safe to ignore,but ignoring may cause
(fixable) problems with some boot loaders.
---------end snippet--------

*) I should also add, that i used YAST2 to switch from GRUB to LILO, but the result was the same (Linux booting well, XP crashing with bluescreen UNMOUNTABE_BOOT_VOLUME on startup)

Does this tell you something? Thanks very much for your time and insight!

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