From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 5A8BD6B0047 for ; Fri, 29 Jan 2010 17:02:18 -0500 (EST) From: Michail Bachmann Subject: Re: PROBLEM: kernel BUG at mm/page_alloc.c:775 Date: Fri, 29 Jan 2010 23:01:57 +0100 References: <201001092232.21841.mb@emeraldcity.de> <20100118120315.GD7499@csn.ul.ie> <201001210110.18569.mb@emeraldcity.de> In-Reply-To: <201001210110.18569.mb@emeraldcity.de> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart7036799.4qDCbclDcj"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201001292302.04105.mb@emeraldcity.de> Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: --nextPart7036799.4qDCbclDcj Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable > > On Tue, Jan 12, 2010 at 03:25:23PM -0600, Christoph Lameter wrote: > > > On Sat, 9 Jan 2010, Michail Bachmann wrote: > > > > [ 48.505381] kernel BUG at mm/page_alloc.c:775! > > > > > > Somehow nodes got mixed up or the lookup tables for pages / zones are > > > not giving the right node numbers. > > > > Agreed. On this type of machine, I'm not sure how that could happen > > short of struct page information being corrupted. The range should > > always be aligned to a pageblock boundary and I cannot see how that > > would cross a zone boundary on this machine. > > > > Does this machine pass memtest? >=20 > I ran one pass with memtest86 without errors before posting this bug, but= I > can let it run "all tests" for a while just to be sure it is not caused by > broken hw. Please disregard this bug report. After running memtest for more than 10 ho= urs=20 it found a memory error. The funny thing is, linux found it much faster... Thanks for your time. CU Micha --nextPart7036799.4qDCbclDcj Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAABCAAGBQJLY1rWAAoJEDOFMLjtzdvOJrgP/A6Hpalr96+T5A5IaZRA2SPd gp5s6ZSPnTD6gN7YC/yDJsONZ4dZRU6eEQFoH2CK2Bp7aXFzdOFiA0QNsHUZNE5z LZiTdcCCCU56kxTUVR1LyLBPYaHwoKPo5rsJQLDlrX1eDXxtKHlXu6M6yX1DcptG HYnbT665Jhr0/gDMP1lwzZHMTyRKuk+tdapfqU+dNxft466VVmERewhtn5WnaKoR YxAUfTn+G3Im7ccetSzSm3GQybicU1isQpCbUQH9mVxXyvJ1usLeV0c6FeUcRsKU wiiWKx3IrebpYNS0KshgO16/z2QKNtsgLHQVBw9UKUIKTf8/KaiH/5A3KW24H6Pj 7fMO/D1PDxkvw2UNyeu7JDgY6l8XkWoqngszJC+JtJPupTWyErDpoJ6euxHk/s67 Fx5t/6Z38n5UTzHhOqh+0+oyjTmhmlrLhi5XkJqYPcpzIv0Vo7mapmt5jSmNgA8X hOfTiYUMNDrbZlPgHHtJDHR2VeqsvfY6JLzUULB7Ctr4IW+IiSg+0miCldJTpE1h wxq2LeelB9EI3L0rgdsJAx+tHK6E8JsosHmfkSsvJEqCWHqS3/saKOp7Z7VHrUJZ IutnobNri2Qyt6cqHjg5J+OzBldKUR9sJfUEOLtd5IND5INAtd/XzN6/KbQcBlts 1/OMirLEr0zIIccxdD5p =OA0D -----END PGP SIGNATURE----- --nextPart7036799.4qDCbclDcj-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org