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From: Emanuel Haupt <ehaupt@FreeBSD.org>
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: Emanuel Haupt <ehaupt@FreeBSD.org>
To: bug-followup@FreeBSD.org, IZ-FreeBSD0701@hs-karlsruhe.de
Cc:  
Subject: Re: kern/173475: [tun] tun(4) stays opened by PID after process is
 terminated
Date: Wed, 23 Jan 2013 07:59:07 +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