Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761950AbZAQPKY (ORCPT ); Sat, 17 Jan 2009 10:10:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757935AbZAQPKC (ORCPT ); Sat, 17 Jan 2009 10:10:02 -0500 Received: from mail.klingt.org ([86.59.21.178]:54958 "EHLO klingt.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757779AbZAQPKB (ORCPT ); Sat, 17 Jan 2009 10:10:01 -0500 Subject: Re: 2.6.28-rc9: oprofile regression From: Tim Blechmann To: Robert Richter Cc: Thomas Gleixner , Andi Kleen , oprofile-list@lists.sf.net, linux-kernel@vger.kernel.org, venkatesh.pallipadi@intel.com In-Reply-To: <20090117141453.GA21604@erda.amd.com> References: <49544497.9020900@linux.intel.com> <1230894257.6072.10.camel@thinkpad> <1231957184.13033.70.camel@thinkpad> <1232010853.6541.4.camel@thinkpad> <1232067181.6134.74.camel@thinkpad> <1232199169.7016.12.camel@thinkpad> <20090117141453.GA21604@erda.amd.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-oYgguk9sA5TtDg5pAuew" Date: Sat, 17 Jan 2009 16:09:23 +0100 Message-Id: <1232204963.17299.8.camel@thinkpad> Mime-Version: 1.0 X-Mailer: Evolution 2.24.2 X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (klingt.org [127.0.0.1]); Sat, 17 Jan 2009 16:09:25 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1611 Lines: 51 --=-oYgguk9sA5TtDg5pAuew Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > > however, trying to apply this patch to 2.6.28, the behavior is the same > > as before (one NMI) ... so possibly, it is a combination of two bugs, > > with similar symptoms ...=20 >=20 > Tim, could you revert 7c64ade53a6f977d73f16243865c42ceae999aea too? >=20 > If this not helps, last chance is > 59512900baab03c5629f2ff5efad1d5d4e682ece, but this seems to be save. i tried to revert both commits, however the behavior doesn't seem to change. will try to apply the working patch to the child commits, maybe i can find something interesting ... best, tim btw, i am not very familiar with kernel programming, but is it safe to have `static u64 *reset_value' uninitialized, or should it be initialized to NULL? -- tim@klingt.org http://tim.klingt.org I must say I find television very educational. The minute somebody turns it on, I go to the library and read a good book. Groucho Marx --=-oYgguk9sA5TtDg5pAuew Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAklx9KEACgkQdL+4qsZfVssvSQCfWhPXN/r2yjuLidoGAT2U3L1J Mg8AmgKHD6+M/XFGA3aAY/ex6X8Vo3pt =cxS4 -----END PGP SIGNATURE----- --=-oYgguk9sA5TtDg5pAuew-- -- 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/