From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: Re: IAMT broken by commit 82776a4bcd7aa5fbcd2e6339b3ce88b727dd40ab Date: Mon, 31 Jan 2011 15:24:16 -0800 Message-ID: <1296516256.3526.9.camel@jtkirshe-MOBL1> References: <20100530010219.GA20368@volta.aurel32.net> <8DD2590731AB5D4C9DBF71A877482A900118D29D0A@orsmsx509.amr.corp.intel.com> <20110131114558.GA28303@volta.aurel32.net> <20110131.123605.226778418.davem@davemloft.net> Reply-To: jeffrey.t.kirsher@intel.com Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-LiLHNlEuRW9p91T3RVOq" Cc: "aurelien@aurel32.net" , "Allan, Bruce W" , "netdev@vger.kernel.org" To: David Miller Return-path: Received: from mga03.intel.com ([143.182.124.21]:44678 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754117Ab1AaXYM (ORCPT ); Mon, 31 Jan 2011 18:24:12 -0500 In-Reply-To: <20110131.123605.226778418.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: --=-LiLHNlEuRW9p91T3RVOq Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2011-01-31 at 12:36 -0800, David Miller wrote: > From: Aurelien Jarno > Date: Mon, 31 Jan 2011 12:45:58 +0100 >=20 > >> On recent kernels, IAMT support does not work after the machine has= =20 > >> been powered-off. Even worse, it also goes into this state when I try > >> to reboot it. > >>=20 > >> I have done a bisect and got this commit: > >>=20 > >> | commit 82776a4bcd7aa5fbcd2e6339b3ce88b727dd40ab > >> | Author: Bruce Allan > >> | Date: Fri Aug 14 14:35:33 2009 +0000 > >> |=20 > >> | e1000e: WoL does not work on 82577/82578 with manageability enab= led > >> | =20 > >> | With manageability (Intel AMT) enabled via BIOS, PHY wakeup does= not get > >> | configured on newer parts which use PHY wakeup vs. MAC wakeup wh= ich causes > >> | WoL to not work. The driver should configure PHY wakeup whether= or not > >> | manageability is enabled. > >> | =20 > >> | Signed-off-by: Bruce Allan > >> | Signed-off-by: Jeff Kirsher > >> | Signed-off-by: David S. Miller > >>=20 > >> I have tried to revert it on recent kernels (2.6.34), and IAMT is then > >> working as expected. My machine is using a Gigabyte EQ45M-S2 motherboa= rd > >> with an 82567LM-3 ethernet chip (8086:10de), that is a different model > >> than the one of the original problem. > >>=20 > >> I do wonder if the changes in the patch should not only be done on som= e=20 > >> chip models, and I will appreciate any help in fixing this issue. > >>=20 > >=20 > > Just a short mail to say this problem is still present in 2.6.38-rc2. > > The same solution still applies, that is reverting the above commit. > > Note that reverting the first hunk only is enough to get it working > > again. >=20 > Intel folks please look into this. We at looking into it, thanks. --=-LiLHNlEuRW9p91T3RVOq Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJNR0SgAAoJECTsCADr/EWUcUwIAKvLY289jAVGzWFKFU/bDfom VyqxlaydOxDF0l0G2Jo2sRl9TNnSmmhYoEAphJRaE8klEvmcfCaOtC/zobo8dbgg PgkTjLqeoAtHqQq8KV1AK/eh6lcYH2eH7ZNVUQ01Z5mDNbLt+fu3uOEbuR7M0JjN pEgS3eZkWdX7QoJlvVaQlGwAhiuMbjPfnDCXVMsLBqOBBQ3dLxHv6s1wUh8cdRgP SNJ8/3yKTldGuhBl14e7A8Yq/MSeQj7flHlT5UaKjF8PjDsaEh8hM5TVL3x7xxQd ofhhENgbTa/3s3eNOSGEQparDequnUYL7s3/S/1A/IlTC/nbygOEGI3ARMQsRJQ= =QpHf -----END PGP SIGNATURE----- --=-LiLHNlEuRW9p91T3RVOq--