misc/99974: panic: mutex Giant not owned at /usr/src/sys/net/bpf.c:1407

[Kris Kennaway]

The following reply was made to PR kern/99974; it has been noted by GNATS.

From: Kris Kennaway <kris at obsecurity.org>
To: "Bradley W. Dutton" <brad-fbsd-stable at duttonbros.com>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: misc/99974: panic: mutex Giant not owned at /usr/src/sys/net/bpf.c:1407
Date: Sat, 19 Aug 2006 16:32:46 -0400

 On Sun, Jul 09, 2006 at 05:53:47PM +0000, Bradley W. Dutton wrote:
 > 
 > >Number:         99974
 > >Category:       misc
 > >Synopsis:       panic: mutex Giant not owned at /usr/src/sys/net/bpf.c:1407
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    freebsd-bugs
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Sun Jul 09 18:00:30 GMT 2006
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Bradley W. Dutton
 > >Release:        6 stable
 > >Organization:
 > >Environment:
 > FreeBSD backup 6.1-STABLE FreeBSD 6.1-STABLE #0: Sun Jul  9 01:31:24 PDT 2006     root at backup:/home/obj/usr/src/sys/BACKUP  i386
 > >Description:
 > panic: mutex Giant not owned at /usr/src/sys/net/bpf.c:1407
 > >How-To-Repeat:
 > Run tcpdump without any options/arguments. If I do something like specify the interface it works:
 > tcpdump -i sis0
 > but just running tcpdump immediately panics.
 
 Please obtain a full traceback per the instructions in the kernel
 debugging chapter of the developers handbook.
 
 Kris