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Date:      Sat, 15 May 1999 18:29:47 +0200 (CEST)
From:      Gerhard Gonter <gonter@whisky.wu-wien.ac.at>
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/11724: vm_fault and panic upon mount of msdos FS after failed mount
Message-ID:  <199905151629.SAA00436@whisky.wu-wien.ac.at>

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>Number:         11724
>Category:       kern
>Synopsis:       vm_fault and panic upon mount of msdos FS after failed mount
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat May 15 09:30:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Gerhard Gonter
>Release:        FreeBSD 3.0-RELEASE i386
>Organization:
WU-Wien
>Environment:

	FreeBSD 3.0-RELEASE

>Description:

	Trying to mount a MSDOS file system without -t msdos will result
	in a "incorrect superblock" message.  Using the -t msdos option
	after that results in a panic message and reboot:
	vm_fault: fault on nonfault entry, addr: f60cc00

>How-To-Repeat:

	# assume da0s1 is a primary partition with a MSDOS file system:
	mount /dev/da0s1 /C
	mount -t msdos /dev/da0s1 /C

>Fix:
	
	Fix unknown.  Workaround: remove any MSDOS file systems ;)


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


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