From owner-freebsd-bugs@FreeBSD.ORG Fri Mar 28 16:10:03 2014 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 27BA6A3B for ; Fri, 28 Mar 2014 16:10:03 +0000 (UTC) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0418EE80 for ; Fri, 28 Mar 2014 16:10:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.8/8.14.8) with ESMTP id s2SGA2LY008517 for ; Fri, 28 Mar 2014 16:10:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.8/8.14.8/Submit) id s2SGA25Z008516; Fri, 28 Mar 2014 16:10:02 GMT (envelope-from gnats) Resent-Date: Fri, 28 Mar 2014 16:10:02 GMT Resent-Message-Id: <201403281610.s2SGA25Z008516@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Darren Baginski Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D1B27A24 for ; Fri, 28 Mar 2014 16:09:28 +0000 (UTC) Received: from cgiserv.freebsd.org (cgiserv.freebsd.org [IPv6:2001:1900:2254:206a::50:4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id BD62EE74 for ; Fri, 28 Mar 2014 16:09:28 +0000 (UTC) Received: from cgiserv.freebsd.org ([127.0.1.6]) by cgiserv.freebsd.org (8.14.8/8.14.8) with ESMTP id s2SG9SUP049668 for ; Fri, 28 Mar 2014 16:09:28 GMT (envelope-from nobody@cgiserv.freebsd.org) Received: (from nobody@localhost) by cgiserv.freebsd.org (8.14.8/8.14.8/Submit) id s2SG9SEF049667; Fri, 28 Mar 2014 16:09:28 GMT (envelope-from nobody) Message-Id: <201403281609.s2SG9SEF049667@cgiserv.freebsd.org> Date: Fri, 28 Mar 2014 16:09:28 GMT From: Darren Baginski To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: kern/188032: IPv6 on lo never leaves 'tentative' state if configured with prefixlen 128 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Mar 2014 16:10:03 -0000 >Number: 188032 >Category: kern >Synopsis: IPv6 on lo never leaves 'tentative' state if configured with prefixlen 128 >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: Fri Mar 28 16:10:02 UTC 2014 >Closed-Date: >Last-Modified: >Originator: Darren Baginski >Release: 10.0-STABLE FreeBSD >Organization: >Environment: FreeBSD freebsd10.local 10.0-STABLE FreeBSD 10.0-STABLE #1 r262603: Fri Feb 28 16:39:10 UTC 2014 root@freebsd10.local:/usr/obj/usr/src/sys/GENERIC amd64 >Description: IPv6 on lo never leaves 'tentative' state if configured with prefixlen 128. Steps to reproduce. # ifconfig lo8 create # ifconfig lo8 up # ifconfig lo8 inet6 fc00::ff prefixlen 128 # ifconfig lo8 lo8: flags=8049 metric 0 mtu 16384 options=600003 inet6 fc00::ff prefixlen 128 tentative nd6 options=29 lo8 ipv6 stays 'tentative' stays forever and never become ping-able. "Workaround" is to apply any other prefixlen, e.g. /127 >How-To-Repeat: # ifconfig lo8 create # ifconfig lo8 up # ifconfig lo8 inet6 fc00::ff prefixlen 128 # ifconfig lo8 lo8: flags=8049 metric 0 mtu 16384 options=600003 inet6 fc00::ff prefixlen 128 tentative nd6 options=29 # ping fc00::ff >Fix: "Workaround" is to apply any other prefixlen, e.g. /127 >Release-Note: >Audit-Trail: >Unformatted: