From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751655Ab3FXMpz (ORCPT ); Mon, 24 Jun 2013 08:45:55 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:47571 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750829Ab3FXMpx (ORCPT ); Mon, 24 Jun 2013 08:45:53 -0400 Message-ID: <1372077951.21189.16.camel@deadeye.wl.decadent.org.uk> Subject: Re: Per route MTU settings are broken in linux kernel 3.2 From: Ben Hutchings To: Yura Pakhuchiy Cc: linux-kernel@vger.kernel.org, netdev , stable@vger.kernel.org Date: Mon, 24 Jun 2013 13:45:51 +0100 In-Reply-To: <1372063443.32157.10.camel@linux> References: <1372063443.32157.10.camel@linux> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-5a9ETWP2FVrqRFVVCqRK" X-Mailer: Evolution 3.4.4-3 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 192.168.4.101 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-5a9ETWP2FVrqRFVVCqRK Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2013-06-24 at 15:44 +0700, Yura Pakhuchiy wrote: > Hello Ben, >=20 > Looks like setting per route MTU (as described in [1]) is broken in > Linux kernel 3.2. I tested with newer Ubuntu kernels 3.5 and 3.8 and it > looks like problem is fixed there. I filled Ubuntu bug report [2] with > more details and sample script which illustrates problem. But since this > problem is probably also present in stock kernel (not just in Ubuntu), > is it possible to backport fixes to stable 3.2 series? >=20 > 1. http://lartc.org/howto/lartc.cookbook.mtu-discovery.html > 2. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1177507 Sure, what are the fixes? Ben. --=20 Ben Hutchings Lowery's Law: If it jams, force it. If it breaks, it needed replacing anyway= . --=-5a9ETWP2FVrqRFVVCqRK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAUcg/f+e/yOyVhhEJAQrRVRAA1P9GysjIPkzLpyOPIe1EcnW2zMAzZOK1 2au+Y1I7ZQ2vwplk3w474RR4qtBJqkz36r0MJvK8NNFg0PopEVM1XVv4QcCGsj+n xrrQjcJqp4TJW9wytfpcIbKzTBFQTEK4w0YP83rjDrtIJPwuYnJZEKKuWHk4Npxx 0Wr7S34f1NiO77XqdJl6d7Hez1TaNTVjbyv6mxudmE2AF5IxezaAJyYTgTFIFn01 4LEui7EqBkjoQORkI+oWPcbTAfxNdIH61fxeJcJTLdZsGzT9pqZqb07tu+QtCbmU JnWrh02HaOWCDAcm80Takp9l0RxURb9PIc1APv6el6SOWZQDDwrg/gV9kL4zjIKL OSHCtbl30YByVhXS+z8vBjA9SvhcGFhAuXkdEmsQnMsvOtyLGnv0yZJG2vx83a6+ h4bh4d4yiFllM2XDtl7XdoVtQzuBlfVwsc4nInBDjdsUSMVHdCMREHmbMutyD5/y YhvKn4KDoetyfhmhIWoVdnpFtUoSm3NAyUCmTleWSjnbxRsPWG0cNRZaCThI9DTx fqw18RAZMrixr2Gj8gueDYfaKinT81jVt9D42iJcyHHCWYJEoRtDByFWGi310pC4 dC6zqygQEOsspMD1d/sMjZtIL4ACJhbHWQCAYK0mu3ybF26/3f9Q2bGQPVaUrH3d IHSx9kQEV30= =2LJb -----END PGP SIGNATURE----- --=-5a9ETWP2FVrqRFVVCqRK--