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Date:      Thu, 25 Mar 1999 12:18:37 -0600 (CST)
From:      chris@holly.dyndns.org
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/10792: [Panic] cat /dev/drum causes panic, even as nonroot user
Message-ID:  <199903251818.MAA00439@holly.dyndns.org>

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>Number:         10792
>Category:       kern
>Synopsis:       [Panic] cat /dev/drum causes panic, even as nonroot user
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Mar 25 10:30:00 PST 1999
>Closed-Date:
>Last-Modified:
>Originator:     Chris Costello
>Release:        FreeBSD 4.0-CURRENT i386
>Organization:
>Environment:

	FreeBSD 4.0-CURRENT, CVSupped March 20.

>Description:

	The operation 'cat /dev/drum' causes the following panic message
	(reproduced after having been written down):

	panic: pbreassignbuf() on non phys bp 0xc1c7b490
	syncing disks... 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30... giving up

>How-To-Repeat:

	As a nonroot user, type 'cat /dev/drum'

>Fix:
	
	A fix is being worked on, and a followup will be sent stating further
	progress.

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


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