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Date: Tue, 2 Oct 2007 17:50:11 GMT
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To: freebsd-bugs@FreeBSD.org
From: "Remko Lodder" <remko@elvandar.org>
Cc: 
Subject: Re: kern/116837: ifconfig tunX destroy: panic
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The following reply was made to PR kern/116837; it has been noted by GNATS.

From: "Remko Lodder" <remko@elvandar.org>
To: "Jonathan Pascal" <jkpyvxmzsa@mailinator.com>
Cc: freebsd-gnats-submit@freebsd.org,
 freebsd-bugs@FreeBSD.org
Subject: Re: kern/116837: ifconfig tunX destroy: panic
Date: Tue, 2 Oct 2007 19:48:58 +0200 (CEST)

 On Tue, October 2, 2007 7:26 pm, Jonathan Pascal wrote:
 >>Organization:
 >>Environment:
 > FreeBSD box 7.0-CURRENT FreeBSD 7.0-CURRENT #4: Sat Sep 29 19:41:37 CEST
 > 2007     root@box:/usr/obj/usr/src/sys/CURRENT_STARLIGHT  i386
 >>Description:
 > Destroying a tun device while a process is using it via /dev/tunX leads to
 > a kernel panic.
 >>How-To-Repeat:
 > # cat < /dev/tun0 > /dev/tun0 &
 > # ifconfig tun0 destroy
 >
 > panic: tununits is out of sync - unit 0
 
 So are you running with the debugging symbols etc? Do you get a core dump?
 if so please go to the
 http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
 page and see how you can get more information there. This PR ticket is
 rather difficult to fix without detailed information.
 
 Thanks & Regards
 remko
 
 -- 
 Kind regards,
 
      Remko Lodder               ** remko@elvandar.org
      FreeBSD                    ** remko@FreeBSD.org
 
      /* Quis custodiet ipsos custodes */