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Date:      Sun, 11 Apr 1999 19:23:31 +0200 (CEST)
From:      cc@devcon.net
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/11080: fatal trap 18 while trying to mount invalid ntfs partition
Message-ID:  <199904111723.TAA00832@pauling.research.devcon.net>

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>Number:         11080
>Category:       kern
>Synopsis:       fatal trap 18 while trying to mount invalid ntfs partition
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Apr 11 15:30:00 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Christian Carstensen
>Release:        FreeBSD 4.0-CURRENT i386
>Organization:
dev/consulting GmbH
>Environment:

	FreeBSD pauling.research.devcon.net 4.0-CURRENT FreeBSD 4.0-CURRENT #1: Sun Apr 11 17:34:02 CEST 1999
	root@pauling.research.devcon.net:/usr/src/sys/compile/PAULING  i386

>Description:

my machine encounters a integer divide in kernel mode and finally reboots:

---
Fatal trap 18: integer divide fault while in kernel mode
mp_lock = 01000002; cpuid = 1; lapic.id = 01000000
instruction pointer  = 0x8:0xc0192c3b
stack pointer        = 0x10:0xc6e97c68
frame pointer        = 0x10:0xc6e97da0
code segment         = base 0x0, pres 1, def 321, gran 1
processor flags      = interrupt enabled, resume, IOPL = 0
current process      = 327 (mount_ntfs)
interrup mask        = SMP:XXX
trap number          = 18
panic: integer divide fault
---

>How-To-Repeat:

try 'mount_ntfs /dev/whatever /anydir' with 'whatever' being a type 7 partition, which must not
contain a valid NTFS.

>Fix:
	


>Release-Note:
>Audit-Trail:
>Unformatted:


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