From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Haigh Subject: Re: [3.15-rc3] Bisected: xen-netback mangles packets between two guests on a bridge since merge of "TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy" series. Date: Fri, 16 May 2014 12:13:45 +1000 Message-ID: <53757459.4030107@crc.id.au> References: <395225650.20140430124506@eikelenboom.it> <536162D3.5080307@citrix.com> <94755525.20140501002553@eikelenboom.it> <53624E25.8040404@citrix.com> <1810270947.20140501155911@eikelenboom.it> <53626C39.3030304@citrix.com> <928229683.20140501193936@eikelenboom.it> <198418193.20140501213951@eikelenboom.it> <5363A508.1000602@citrix.com> <653156457.20140502160632@eikelenboom.it> <5363AFED.5080601@citrix.com> <1399044073.29914.237.camel@edumazet-glaptop2.roam.corp.google.com> <5363B929.1000502@citrix.com> <35970097.20140502182818@eikelenboom.it> <5363CBB0.6050804@citrix.com> <15602339.20140505121912@eikelenboom.it> <536916E9.7010509@crc.id.au> <53691848.5010809@citrix.com> <437888929.20140506193723@eikelenboom.it> <536924DC.9080606@crc.id.au> <5369EBF9.20304@citrix.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="2GERVc1LbwsbrhbO7AALJOwe2lFqwGwUh" Cc: netdev@vger.kernel.org, xen-devel@lists.xen.org To: David Vrabel Return-path: Received: from mail.crc.id.au ([203.56.246.92]:37105 "EHLO mail.crc.id.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752233AbaEPCNp (ORCPT ); Thu, 15 May 2014 22:13:45 -0400 In-Reply-To: <5369EBF9.20304@citrix.com> Sender: netdev-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2GERVc1LbwsbrhbO7AALJOwe2lFqwGwUh Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 07/05/14 18:16, David Vrabel wrote: > On 06/05/14 19:07, Steven Haigh wrote: >> Well, I'm trying to get a test together - although I don't have webdav= >> anywhere... I was going to try it via FTP, however I'm hitting another= >> MM bug in Xen: >> https://bugs.archlinux.org/task/38596 >> >> This references: >> https://lkml.org/lkml/2014/1/23/596 >> >> It says that should be fixed in 3.15-rc3 (if I understand properly) - >> but I'm also hitting that on 3.14.2. Did these changes get ported back= >> to the 3.14 tree? >=20 > This is fixed by 29c7787075 (mm: use paravirt friendly ops for NUMA > hinting ptes) which is tagged for stable but hasn't yet been picked up > for 3.14.y. >=20 > You can also work around it by disabling CONFIG_NUMA_BALANCING which > doesn't work with Xen PV guests anyway. Hi David, Just wondering if there has been any movement in getting this into 3.14.y. I see we've now just hit 3.14.4 with no mention of the patch for issue. --=20 Steven Haigh Email: netwiz@crc.id.au Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897 Fax: (03) 8338 0299 --2GERVc1LbwsbrhbO7AALJOwe2lFqwGwUh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJTdXRZAAoJEEGvNdV6fTHcevUQAIdbZIJEO9uTzyo3atzrbIr4 1ZUPd4v3tikhYVdGXkNiM6tPUytXNh0W+A2US4Ovu0YdJj6L4tlS61rudpAz62b1 xen45jDqktc0iw3iGPlPf3oeHqPQej4n6lBdbiX8UX2r8bJawYmt5G72+7kXYkFK VQnLu96MfECveFyFAnTzhCwF1X9sJE1C4AfKZeTyfs0ZwGAfe/ve26gVUK9vYwuk gaX1R5fXSymFFl6/w1x4ytoMyiKvSBT993kCZxpfqIABB1QTq/odKkbK2mvl3Zxx LvzYUX0IGFpXE8ywgw1yNkT7H9rrWIvXs/WZi9Jq8TmWdhz2zMRwW0R+ifsbfi8J 5n/B8Wvgy+cE0sEYJeKdW2rf5QtZltt6L8eFdWiQr/0XpcRYu7oVebvuLyvJefvb KT98i0xprQWQ0A4nPdCGNUnwNkXIFyLqUOdoDOLwGQB0DmBlveFHPqBvR4CzFSLY 6iMMhzo+mO1+tz13oV0QXDSTh4+/HlmpCwKCaQv6+Xvm+wPM92EyYrwcu61D054p ROclU+6AyuRysX6nx3UCqBTamNHUb2fXUcSco6HT0zUnNrgTAK8UwUQ01VK959gN 6z77oURQ0oloxEBSDsxXqGFEJBVGaVP84U17tFa2nnMQDSiNRIbhDR7nRnPwC8Jl mK391E9DwY/TZvqcPHBw =VMhn -----END PGP SIGNATURE----- --2GERVc1LbwsbrhbO7AALJOwe2lFqwGwUh--