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Date: Tue, 14 Mar 2000 19:59:12 GMT
From: steve@snuggly.demon.co.uk
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To: FreeBSD-gnats-submit@freebsd.org
Subject: kldload/unload cycles with syscons screen savers causes panic
X-Send-Pr-Version: 3.2

>Number:         17375
>Category:       kern
>Synopsis:       kldload/unload cycles with syscons screen savers causes panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    yokota
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 14 12:00:02 PST 2000
>Closed-Date:    Thu Feb 15 11:16:00 PST 2001
>Last-Modified:  Thu Feb 15 11:17:23 PST 2001
>Originator:     Steve Roome (Root)
>Release:        FreeBSD 3.4-STABLE i386
>Organization:
>Environment:
	3.4-stable as of 26 feb 2000

>Description:

	repeated use of kldunload and kldload with most
	of the syscons screen savers causes panics.

>How-To-Repeat:
	assuming you have the daemon saver installed already ...
	this triggers it for me, same for fire saver but not
	for the green saver, not tested many others as this
	is the only machine I've got and don't fancy the bad
	luck of file system damages.

	for i in /
	do
		vidcontrol -t 1
		sleep 4
		kldunload -i `kldstat | grep daemon | awk '{print $1}'`
		kldload /modules/daemon_saver.ko
		kldstat
	done

>Fix:

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->yokota 
Responsible-Changed-By: sheldonh 
Responsible-Changed-When: Wed Mar 15 00:32:58 PST 2000 
Responsible-Changed-Why:  
Yokota-san, could you look at this? 

From: Steve Roome <steve@sse0691.bri.hp.com>
To: freebsd-bugs@freebsd.org
Cc:  
Subject: Re: kern/17375
Date: Thu, 15 Feb 2001 16:06:43 +0000

 I think this pr can get closed now, as this problem doesn't seem to
 exist in either 3-stable or 4-stable anymore.
 
 Ta,
 
 	Steve Roome
 
 
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State-Changed-From-To: open->closed 
State-Changed-By: dwmalone 
State-Changed-When: Thu Feb 15 11:16:00 PST 2001 
State-Changed-Why:  
Problem doesn't seem to exist in 3.X and 4.X any longer, according 
to submitter. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=17375 
>Unformatted:
