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Old 09-26-2005, 02:28 PM   #1
Registered: May 2004
Distribution: Debian sid amd64
Posts: 35

Rep: Reputation: 15
[Solved] Problem booting XP


Since yesterday, i can't boot win xp. It happened since i modify my disks to implement software raid1. Linux works perfectly, i cant access windows partition without any problems.

When i want to boot to windows, I've got this error :
Disk Error
Press a key to reboot.

I try with the recovery tool provided on the windows cd to fix the mbr (fixboot, fixmbr and bootcfg /rebuild). No success !!!

What is boring me is this cfdisk error
FATAL ERROR: Bad primary partition 2: Partition ends in the final partial cylinder

I've got this error on both disk, here is the fdisk output :
* Disk /dev/sda: 81.9 GB, 81964302336 bytes
* 255 heads, 63 sectors/track, 9964 cylinders
* Units = cylinders of 16065 * 512 = 8225280 bytes
* Device Boot Start End Blocks Id System
* /dev/sda1 * 1 1216 9767488+ b W95 FAT32
* /dev/sda2 1217 8638 59617215 5 Extended
* /dev/sda3 8639 9965 10658529 fd Linux raid autodetect
* /dev/sda5 1217 6079 39062016 b W95 FAT32
* /dev/sda6 6080 6687 4883728+ fd Linux raid autodetect
* /dev/sda7 6688 6814 1020096 82 Linux swap / Solaris
* /dev/sda8 6815 8638 14651248+ fd Linux raid autodetect

* ticho:/home/sylvain# dd if=/dev/sda1 bs=512 count=1
* ��MSDOS5.0$�?�?�*:%��>���|1�؎м3ɎѼ���ٽ|�N�V@�s�������f�р�����Af���f�F�u8�~*w2f�Ff�F�B�V@����XfXfXfX�f 3��Nf��������֊V@���̸f;F��JfjfPSfh�~� �A��U�V@��������
* �fa�T���f@I�q��TLDR
* NTLDR is missing�
* Disk error�
* Press any key to restart
* ���U�1+0 enregistrements lus.
* 1+0 enregistrements écrits.
* 512 bytes transferred in 0,019816 seconds (25838 bytes/sec)

I'm stucked, i don't know what to do.

thanks for your help

Last edited by punx120; 10-04-2005 at 03:35 AM.
Old 09-26-2005, 03:56 PM   #2
Registered: Mar 2004
Location: Belgium
Distribution: Ubuntu
Posts: 133

Rep: Reputation: 15
Problem booting XP


What is the material you use ?
I think this is a motherboard raid ? with some raid drivers to work with windows ?
That is not a material raid and Linux is seeing 2 drives /dev/sda and /dev/sdb ?
If all are true, I think you have damaged the windows installation ...

Onboard raid is not a good solution to use with linux and win. It's best to use old IDE controller with master/slave.
Old 09-26-2005, 04:06 PM   #3
Registered: May 2004
Distribution: Debian sid amd64
Posts: 35

Original Poster
Rep: Reputation: 15
Actually, it's software raid, use mdadm on linux, I don't use raid for windows.
So i my three linux partition are in raid 1 thanks to mdadm (/dev/sda & /dev/sdb) , the two windows partition are only on /dev/sda.

I first put in raid1 /home and/usr partition, everything is ok. Yesterday, i put / in raid1 so I had to modify the mbr to boot on /dev/md2 not /dev/sda6.

I may damage the windows partition, i think i can reinstall windows, it's not the problem, but the cfdisk error is boring me, I'm afraid there is something wrong in my partition table.

Old 09-26-2005, 07:09 PM   #4
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Moved: This thread is more suitable in General and has been moved accordingly to help your thread/question get the exposure it deserves.

As a Windows question, it is better suited in General -- J.W.
Old 10-04-2005, 03:35 AM   #5
Registered: May 2004
Distribution: Debian sid amd64
Posts: 35

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I reinstall XP and it works fine, nothing was lost.


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