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Date:      Fri, 28 Jun 2002 08:01:49 -0700 (PDT)
From:      John Hawk <johnhawk@rcn.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   i386/39952: Crashes partiton table
Message-ID:  <200206281501.g5SF1nEH051112@www.freebsd.org>

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>Number:         39952
>Category:       i386
>Synopsis:       Crashes partiton table
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jun 28 08:10:02 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     John Hawk
>Release:        4.6
>Organization:
>Environment:
>Description:
 Copies partion table form harddisk 0 to hardisk1 (ads's)

System and boot:
hd0 3.1 G vfat32 (Windows XP)          /dev/hda1
    6.9 G ext3   (Redhat 7.3)  grub on /dev/hda2
hd1 5   G        (FreeBSD 4.6)         /dev/hdb1
    5   G vfat   (MSDOS)               /dev/hdb2
    10  G ext3   (Mandrake 8.2)grub on /dev/hdb6

All items booted from Windows XP BootMgr
boot.ini
c:\bootsect.os ="Operating System"
created via dd if=/dev/drive of=bootsect.os bs=512 count=1

When FreeBSD 4.6 is booted this way it writes the hd1 partition table to hd0 thus crashing all Operating Systems on hd0

     
>How-To-Repeat:
    Set up as above stated the boot into FreeBSD  
>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted:

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