From wollman@khavrinen.lcs.mit.edu  Wed Nov 23 15:12:39 1994
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Date: Wed, 23 Nov 1994 18:12:37 -0500
From: "Garrett A. Wollman" <wollman@khavrinen.lcs.mit.edu>
Reply-To: wollman@khavrinen.lcs.mit.edu
To: FreeBSD-gnats-submit@freefall.cdrom.com
Subject: Loopback mounts confuse unmount-on-reboot code
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>Number:         27
>Category:       kern
>Synopsis:       Loopback mounts confuse unmount-on-reboot code
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    wollman
>State:          closed
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Nov 23 15:20:00 1994
>Closed-Date:    Wed Feb 7 09:54:12 PST 1996
>Last-Modified:  Wed Feb  7 09:55:34 PST 1996
>Originator:     Garrett A. Wollman
>Release:        FreeBSD 2.0.1-Development i386
>Organization:
MIT Laboratory for Computer Science
>Environment:

	-current kernel as of 7 November

>Description:

	Union loopback mounts confuse the unmount-on-reboot code,
	causing it to either lock up, or erroneously report
	filesystem busy errors.

>How-To-Repeat:

	mount -t null -o union /home/src2 /usr/src
	mount -t null -o union /usr/local/src3 /usr/src
	reboot

>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: pst 
State-Changed-When: Tue Feb 6 23:26:17 PST 1996 
State-Changed-Why:  
tim@cs.city.ac.uk (Tim Wilkinson) submitted patches which were 
incorproated by David G. on 23 Nov 1994.  Did these fix your problem? 


Responsible-Changed-From-To: core->wollman 
Responsible-Changed-By: pst 
Responsible-Changed-When: Tue Feb 6 23:26:17 PST 1996 
Responsible-Changed-Why:  
feedback required 
State-Changed-From-To: feedback->closed 
State-Changed-By: wollman 
State-Changed-When: Wed Feb 7 09:54:12 PST 1996 
State-Changed-Why:  
I have no idea if this is even a problem at present.  It doesn't matter 
for me, since I re-arranged my disks a year ago... 
>Unformatted:
