From owner-freebsd-net@FreeBSD.ORG Wed Apr 1 18:28:53 2015 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4BB3885C; Wed, 1 Apr 2015 18:28:53 +0000 (UTC) Received: from mail.strugglingcoder.info (strugglingcoder.info [65.19.130.35]) (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 32975698; Wed, 1 Apr 2015 18:28:52 +0000 (UTC) Received: from localhost (unknown [10.1.1.3]) (Authenticated sender: hiren@strugglingcoder.info) by mail.strugglingcoder.info (Postfix) with ESMTPSA id 08996106E14; Wed, 1 Apr 2015 11:28:52 -0700 (PDT) Date: Wed, 1 Apr 2015 11:28:51 -0700 From: hiren panchasara To: "Andrey V. Elsukov" Subject: Re: pagefault in IPv6 codepath in defrouter_select() Message-ID: <20150401182851.GA55015@strugglingcoder.info> References: <20150325214832.GI53237@strugglingcoder.info> <5514560C.5070406@FreeBSD.org> <20150326190858.GL53237@strugglingcoder.info> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="k+w/mQv8wyuph6w0" Content-Disposition: inline In-Reply-To: <20150326190858.GL53237@strugglingcoder.info> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: freebsd-net@freebsd.org, hrs@freebsd.org, nitroboost@gmail.com, markj@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Apr 2015 18:28:53 -0000 --k+w/mQv8wyuph6w0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 03/26/15 at 12:08P, hiren panchasara wrote: > My mailclient is doing something funny. Sorry for that. Trying again to > reply to this tread actually. >=20 > On 03/26/15 at 09:55P, Andrey V. Elsukov wrote: > > On 26.03.2015 00:48, hiren panchasara wrote: > > > This is 3rd occurence of this panic. What could be the cause? > > > I have vmcore and can provide more info if needed. > >=20 > > Hi, > >=20 > > the problem is that ND6 code maintains at least two lists of prefixes > > without any locking: V_nd_defrouter and V_nd_prefix. >=20 > I am not too familiar with the code here but is following relevant here? > https://lists.freebsd.org/pipermail/freebsd-net/2013-February/034695.html >=20 > Also ccing markj@ Andrey, Did you get a chance to look at this or have any comments? Thanks in advance, Hiren --k+w/mQv8wyuph6w0 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQF8BAEBCgBmBQJVHDjjXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRBNEUyMEZBMUQ4Nzg4RjNGMTdFNjZGMDI4 QjkyNTBFMTU2M0VERkU1AAoJEIuSUOFWPt/l8CwH/joU8ignYxkCnrwUWHbjCtmW ZUmsj2M8C3ORtazP94ItDSLGAW2XkCz2FFm5dXgR23a6bxZ8JHa/0cQToW2262gt DEUzJYFsAKx+54kTnLde4RgSkPgVs7AY0Ex1rJe6799bhG1BECued+Ulc3c1k7rK 35bY7oaVf5HNJ5rTKm0KlqQp30OjvySiVm6jZYour5BzS5jQrCEBFoTMFyVFl072 v4U9PUIRFR2t+v0FUl58hFjnsCxA/8nBShrAxM3/QiAqZTUZq4VNTF+w4SYjXZ0C iHMNhqy1h/Njt/n0xAogAiZoCQJD83JVm6vuxOJvCc/ZQ7v89fBhaBHi96mMYuQ= =4VEk -----END PGP SIGNATURE----- --k+w/mQv8wyuph6w0--