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Date: Mon, 24 Jan 2011 15:10:11 GMT
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To: freebsd-net@FreeBSD.org
From: John Baldwin <jhb@freebsd.org>
Cc: 
Subject: Re: amd64/154214: Panic when creating stf interface
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The following reply was made to PR kern/154214; it has been noted by GNATS.

From: John Baldwin <jhb@freebsd.org>
To: freebsd-amd64@freebsd.org
Cc: "Vladislav V. Prodan" <universite@ukr.net>,
 freebsd-gnats-submit@freebsd.org
Subject: Re: amd64/154214: Panic when creating stf interface
Date: Mon, 24 Jan 2011 08:11:31 -0500

 On Friday, January 21, 2011 7:24:08 pm Vladislav V. Prodan wrote:
 > 
 > >Number:         154214
 > >Category:       amd64
 > >Synopsis:       Panic when creating stf interface
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       high
 > >Responsible:    freebsd-amd64
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Sat Jan 22 00:30:08 UTC 2011
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Vladislav V. Prodan
 > >Release:        9.0-CURRENT  amd64
 > >Organization:
 > >Environment:
 > FreeBSD mary-teresa.ZZZ 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Sun Aug 29 
 19:00:25 EEST 2010     vlad11@mary-teresa.ZZZ:/usr/obj/usr/src/sys/mary-
 teresa.24  amd64
 > 
 > >Description:
 > After entering the command "ifconfig stf create" - we panic
 > 
 > # kldstat -v | grep stf
 >                 226 if_stf
 > 
 > On the internal interface are given two networks ipv6 - /64 and /48.
 > Service works rtadvd.
 > Wanted to create a service 6to4.
 > 
 > http://img521.imageshack.us/img521/8142/dsc00571in.jpg
 
 The picture shows a double fault (likely due to infinite recursion on the 
 stack or some code putting too large of an object onto the stack).  Can you 
 get a backtrace via 'tr' at the db> prompt and reply with the output?
 
 -- 
 John Baldwin