Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932206AbWJTPTg (ORCPT ); Fri, 20 Oct 2006 11:19:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932261AbWJTPTf (ORCPT ); Fri, 20 Oct 2006 11:19:35 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:30184 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S932206AbWJTPTe (ORCPT ); Fri, 20 Oct 2006 11:19:34 -0400 Subject: Re: kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177! From: Will Schmidt Reply-To: will_schmidt@vnet.ibm.com To: Andy Whitcroft Cc: Christoph Lameter , Anton Blanchard , akpm@osdl.org, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, Mel Gorman , Mike Kravetz In-Reply-To: <4538DACC.5050605@shadowen.org> References: <1161026409.31903.15.camel@farscape> <1161031821.31903.28.camel@farscape> <17717.50596.248553.816155@cargo.ozlabs.ibm.com> <17718.39522.456361.987639@cargo.ozlabs.ibm.com> <17719.1849.245776.4501@cargo.ozlabs.ibm.com> <20061019163044.GB5819@krispykreme> <17719.64246.555371.701194@cargo.ozlabs.ibm.com> <17720.30804.180390.197567@cargo.ozlabs.ibm.com> <4538DACC.5050605@shadowen.org> Content-Type: text/plain Organization: IBM Date: Fri, 20 Oct 2006 10:19:25 -0500 Message-Id: <1161357566.8946.62.camel@farscape> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1577 Lines: 46 On Fri, 2006-20-10 at 15:18 +0100, Andy Whitcroft wrote: > Paul Mackerras wrote: > > Christoph Lameter writes: > > I got dropped off the CC list somewhere.. :-( if something is bouncing, let me know,.. otherwise please dont do that.. > Mel Gorman and I have been poking at this from different ends. Mel from > the context of this thread and myself trying to fix a machine which was > exhibiting on 32MB of ram in node 0 and the rest in node 1. > > I remember that we used to have code to cope with this in the ppc64 > architecture, indeed I remember reviewing it all that time ago. Looking > at the current state of the tree it was removed in the two patches below > in mainline: > "[PATCH] Remove SPAN_OTHER_NODES config definition" > "[PATCH] mm: remove arch independent NODES_SPAN_OTHER_NODES" > > These commits: > f62859bb6871c5e4a8e591c60befc8caaf54db8c > a94b3ab7eab4edcc9b2cb474b188f774c331adf7 > > I'll follow up to this email with the reversion patch we used in > testing. It seems to sort this problem out at least, though now its > blam'ing in ibmveth, so am retesting with yet another patch. This patch > reverts the two patches above and updates the commentry on the Kconfig > entry. I've got a couple LPARs that exhibit the problem, so can verify your patch once I see it.. -Will > > -apw - 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/