Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754495Ab0FNTgN (ORCPT ); Mon, 14 Jun 2010 15:36:13 -0400 Received: from gerolde.archlinux.org ([66.211.214.132]:52845 "EHLO archlinux.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753740Ab0FNTgL (ORCPT ); Mon, 14 Jun 2010 15:36:11 -0400 Message-ID: <4C1684A5.1050705@archlinux.org> Date: Mon, 14 Jun 2010 21:36:05 +0200 From: =?ISO-8859-15?Q?Thomas_B=E4chler?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.1.9) Gecko/20100330 Shredder/3.0.4 MIME-Version: 1.0 To: Randy Dunlap CC: "David S. Miller" , John Fastabend , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [2.6.35-rc3 regression] TCP connections on 'lo' interface randomly stall References: <4C167093.2030308@archlinux.org> <20100614112319.9a2758f2.randy.dunlap@oracle.com> In-Reply-To: <20100614112319.9a2758f2.randy.dunlap@oracle.com> X-Enigmail-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------enig61395B3B7D5AAB741C96C400" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2020 Lines: 55 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig61395B3B7D5AAB741C96C400 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Am 14.06.2010 20:23, schrieb Randy Dunlap: > On Mon, 14 Jun 2010 20:10:27 +0200 Thomas B=E4chler wrote: >=20 >> With 2.6.35-rc3, I cannot use TCP over the 'lo' interface any more. Th= is >> is reproduced easily by running 'ssh localhost' and executing a few >> commands inside the ssh session (if you are able to log in, 'ls -lhFR = /' >> does a good job) - the connection will stall completely after a very >> short time. As far as I can see, all applications are affected. >> >> It also seems that once a service is "stalled", I cannot open a new >> connection to the same TCP port anymore. However, I can open a >> connection to a different port until that one is stalled, too. >> >> Running wireshark, I can see that TCP retransmissions are sent, but >> never acknowledged. >> >> Bisection (starting with 7908a9e as good and v2.6.35-rc3 as bad) leads= >> to the following commit. Please CC me on replies to this issue. Thanks= >> for your help. >=20 > Does this patch fix it for you? > http://lkml.org/lkml/2010/6/13/155 Yes, it seems to fix it. Thanks. --------------enig61395B3B7D5AAB741C96C400 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEAREIAAYFAkwWhKUACgkQEda5KzHP/VBZZgCgzF/P12iv5i71688GBkixwoyj wvIAn1Oqe7rJ868YXDCQZPsTDsA+7Bzc =mYy7 -----END PGP SIGNATURE----- --------------enig61395B3B7D5AAB741C96C400-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/