From afox@escape.cs.uni-sb.de  Thu Dec 18 02:53:19 1997
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Date: Thu, 18 Dec 1997 11:53:07 +0100 (CET)
From: Alexander Fox <afox@escape.cs.uni-sb.de>
Reply-To: afox@escape.cs.uni-sb.de
To: FreeBSD-gnats-submit@freebsd.org
Subject: ktrace
X-Send-Pr-Version: 3.2

>Number:         5335
>Category:       kern
>Synopsis:       ktrace can panic system: ufs_lock: recursive lock not expected
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 18 03:00:00 PST 1997
>Closed-Date:    Thu Apr 30 23:30:41 PDT 1998
>Last-Modified:  Thu Apr 30 23:30:54 PDT 1998
>Originator:     Alexander Fox
>Release:        FreeBSD 2.2.5-STABLE i386
>Organization:
>Environment:
FreeBSD 3.0-current, FreeBSD 2.2.5-stable

>Description:
Two time execution of: ktrace -t cw -idp $$
from a commad shell causes system stop.

>How-To-Repeat:
type
 ktrace -t cw -idp $$
 ktrace -t cw -idp $$
panic: ufs_lock: recursive lock not expected, pid: 1686

>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: phk 
State-Changed-When: Thu Apr 30 23:30:41 PDT 1998 
State-Changed-Why:  
fixed in -current 
>Unformatted:
