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From: Ralf Wenk <IZ-FreeBSD0701@hs-karlsruhe.de>
Subject: Re: kern/173475: [tun] tun(4) stays opened by PID after process is 
 terminated
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The following reply was made to PR kern/173475; it has been noted by GNATS.

From: Ralf Wenk <IZ-FreeBSD0701@hs-karlsruhe.de>
To: Emanuel Haupt <ehaupt@FreeBSD.org>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/173475: [tun] tun(4) stays opened by PID after process is 
 terminated
Date: Tue, 12 Feb 2013 12:27:12 +0100

 > Could you please try the following vpnc patch? It tries to work around
 > this deadlock situation:
 > 
 > http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/175067
 > 
 > However, the underlying problem with if_tun should be looked at
 > separately in this PR.
 > 
 > Emanuel
 
 Tried today with a newer (r245247) kernel than at the date of the bug report.
 
 Without the patch the behavior was as described.
 With the patch repeated use of vpnc, vpnc-disconnect works again. So this
 patch is a sufficient workaround.
 
 Ralf