Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753558Ab3GHEjx (ORCPT ); Mon, 8 Jul 2013 00:39:53 -0400 Received: from haggis.pcug.org.au ([203.10.76.10]:41688 "EHLO members.tip.net.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751921Ab3GHEjw (ORCPT ); Mon, 8 Jul 2013 00:39:52 -0400 Date: Mon, 8 Jul 2013 14:39:47 +1000 From: Stephen Rothwell To: =?UTF-8?B?IkrDtnJuIEVuZ2VsIg==?= Cc: Steve Capper , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: linux-next: Tree for Jul 3 Message-Id: <20130708143947.d17036df40fdce8d9e90efb4@canb.auug.org.au> In-Reply-To: <20130703144802.GA32130@logfs.org> References: <20130703180620.6919bf7d7f13f7ed21046c68@canb.auug.org.au> <20130703112539.GA32584@linaro.org> <20130703144802.GA32130@logfs.org> X-Mailer: Sylpheed 3.4.0beta4 (GTK+ 2.24.19; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="PGP-SHA256"; boundary="Signature=_Mon__8_Jul_2013_14_39_47_+1000_XXZzuIKORn1P1PXa" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2863 Lines: 76 --Signature=_Mon__8_Jul_2013_14_39_47_+1000_XXZzuIKORn1P1PXa Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi J=C3=B6rn, On Wed, 3 Jul 2013 10:48:03 -0400 J=C3=B6rn Engel wrote: > > On Wed, 3 July 2013 12:25:41 +0100, Steve Capper wrote: > >=20 > > Today's linux-next appears to introduce some BUGs when running the libh= ugetlbfs > > testsuite (under both ARM64 and x86_64): > >=20 > > [ 94.320661] BUG: Bad rss-counter state mm:ffff880119461040 idx:1 val= :-512 > > [ 94.330346] BUG: Bad rss-counter state mm:ffff880119460680 idx:1 val= :-2560 > > [ 94.341746] BUG: Bad rss-counter state mm:ffff880119460d00 idx:1 val= :-512 > > [ 94.347518] BUG: Bad rss-counter state mm:ffff880119460d00 idx:1 val= :-512 > > [ 94.415203] BUG: Bad rss-counter state mm:ffff8801194f9040 idx:1 val= :-1024 > >=20 > > I've bisected this to commit: > > commit 446313e3e4e7274c4d1e449d107fab6c041ec59c > > hugetlb: properly account rss > >=20 > > The bad counter values I get are all negative. > >=20 > > To reproduce this, just run through the latest libhugetlbfs test suite,= these > > warnings appear pretty much immediately. (I set aside 200 huge pages fi= rst): > > http://libhugetlbfs.sourceforge.net/ > >=20 > > Reverting this commit allows the test suite to run without problems. >=20 > Thank you, I will have a look. For the interim, dropping this patch > from -mm seems the best approach. OK, I have dropped that from the akpm tree in linux-next today. --=20 Cheers, Stephen Rothwell sfr@canb.auug.org.au --Signature=_Mon__8_Jul_2013_14_39_47_+1000_XXZzuIKORn1P1PXa Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBCAAGBQJR2kKTAAoJEECxmPOUX5FEpjEQAI+xUurd9vfy6TqiwQIMeF3M aenRScugcnXaXgmktAROh+3OUImDmDhhCe6ckS8CJQR5S2SBQRG1PFEYBUDoLB/l 466Zq6GyVzF4b/utxr8J2WaxvvZFFjQGJTNlVgFNJVfSqtV19FbpUxRh4kYum3Ke zd+KhdiJuB5BiNgiRMLFm+O04+7IkTZVp8c430XkN7ZUyvGzZtzQpoQMq00F1xq4 s6qUXHAw8HIW4zKEAboG5bbNx3Mm1QyAMj6s4XDEZKSsfyFJVIinwuY81ypP0lr6 b6aiEaa4E6SKn0qiPG7aqrZeyo9rrvolAqjnrEQ4vQzEkkEiMeAIaxRh7ebmcMGm Uxv7HSSPNaDLMV2In/wqc7QMmgk1N02QYkO4uXw6p+TfBu3XLH1xFWNp0gC40c/I 7I4lQ2MJ1+0I7pU8Wo7K9Nut43FNa9Br1xVPk/CQBc3kx8Lb3U8MlK7KQiqH0LHz v1xqgStToRoB1bi/UO+onDtzKL79+C8URhUGJny4W54eIUcQzwEg/aGVP+8IX3cn nICOesdifPn+joTDQWKHxPBojfAHYjPe+Vy4P2aYETRilLK/LTJitdODoEl9YySU 4MjKZWZlmCl6cWXwWcSsmBhSUJx/rn29BOIy2vPzjB3+WHktnxoGt7w5sqSFZWBf r7cE4AVQadvVNhTNKUwi =Pikc -----END PGP SIGNATURE----- --Signature=_Mon__8_Jul_2013_14_39_47_+1000_XXZzuIKORn1P1PXa-- -- 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/