From tony@rtd.com  Fri Mar 21 18:51:52 1997
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Date: Fri, 21 Mar 1997 18:52:45 -0800 (PST)
From: tony@rtd.com
Reply-To: tony@rtd.com
To: FreeBSD-gnats-submit@freebsd.org
Subject: Kernel panic pr report
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>Number:         3057
>Category:       kern
>Synopsis:       Kernel panic at shutdown
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 21 19:00:02 PST 1997
>Closed-Date:    Sun Mar 23 14:55:13 MET 1997
>Last-Modified:  Sun Mar 23 14:57:45 MET 1997
>Originator:     Tony Jones
>Release:        FreeBSD 2.2-RELEASE i386
>Organization:
>Environment:

	ASI ASUS-PCI/I-P55TP4XE Motherboard, 256k p/b cache
	32MB RAM
	ASUS-SC-200 NCR SCSI
	Two DEC 512mb SCSI disks

>Description:

	syncing disks ... done
	Fatal trap #12: page fault while in kernel mode
	....

	Occurs at system shutdown. 100% repeatable.

	Seems to be related to use of MFS for /tmp
$ grep mfs /etc/fstab
/dev/sd1b               /tmp                    mfs     rw 0 0

	At least it didn't occur until I started using MFS.

	Have crash dump, though 'gdb -k' doesn't seem to be able
	to reconise the traceback info.

>How-To-Repeat:

	Use MFS /tmp, shutdown

>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: joerg 
State-Changed-When: Sun Mar 23 14:55:13 MET 1997 
State-Changed-Why:  
Fixed in rev 1.28 of src/sys/ufs/mfs/mfs_vfsops.c 

>Unformatted:
