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Date: Fri, 20 Dec 2002 15:07:01 +0700
From: Igor M Podlesny <poige@morning.ru>
Reply-To: Igor M Podlesny <poige@morning.ru>
To: FreeBSD-gnats-submit@FreeBSD.org
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Subject: kern/46392: kernel, vinum, umount, changing user mode, panic
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>Number:         46392
>Category:       kern
>Synopsis:       kernel, vinum, umount, changing user mode, panic
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Dec 20 00:10:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Igor M Podlesny
>Release:        FreeBSD 4.7-STABLE i386
>Organization:
Morning Network Ltd -- http://www.morning.ru
>Environment:
System: FreeBSD, at least RELENG_4 (using i386)

>Description:
	system panics...

>How-To-Repeat:
	1) Install FreeBSD 4.7 (USE TEST ENVIRONMENT, THE STEPS COULD MAKE DATA LOST!);
	2) Setup vinum for some kind of RAID level (I tried both striped and
	RAID5), make new FS on VINUMed volume, add it to fstab, allow vinum at boot
	time in rc.conf;
	3) Have system booted up in multiuser;
	4) Go single user;
	5) Leave signle user mode then (go multiuser again);
	6) Have panic or if you still haven't one try following steps starting with 4th
	one more time. I'm sure it won't make you wait:

	Fatal trap 12: page flt while in kernel mode
	fault code = page not present
	proc. eflags = interrupt enabled, resume, IOPL = 0
	current process = (umount)
	int. mask = bio

>Fix:
	unknown...

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

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