From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932452AbWEMPq2 (ORCPT ); Sat, 13 May 2006 11:46:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932454AbWEMPq2 (ORCPT ); Sat, 13 May 2006 11:46:28 -0400 Received: from smtp.osdl.org ([65.172.181.4]:44752 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932452AbWEMPq1 (ORCPT ); Sat, 13 May 2006 11:46:27 -0400 Date: Sat, 13 May 2006 08:43:17 -0700 From: Andrew Morton To: "Steinar H. Gunderson" Cc: linux-kernel@vger.kernel.org, dm-devel@redhat.com Subject: Re: [PATCH] Remove softlockup from invalidate_mapping_pages. (might be dm related) Message-Id: <20060513084317.50356155.akpm@osdl.org> In-Reply-To: <20060513153231.GA6277@uio.no> References: <1060420062955.7727@suse.de> <20060420003839.1a41c36f.akpm@osdl.org> <20060426204809.GA15462@uio.no> <20060426135809.10a37ec3.akpm@osdl.org> <20060513134908.GA4480@uio.no> <20060513073344.4fcbc46b.akpm@osdl.org> <20060513144334.GA6013@uio.no> <20060513075147.423d18bd.akpm@osdl.org> <20060513150003.GA6096@uio.no> <20060513082409.4d173ccc.akpm@osdl.org> <20060513153231.GA6277@uio.no> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "Steinar H. Gunderson" wrote: > > > Which kind of implies that we passed a null (or very small small) `struct > > kmem_cache' pointer into kmem_cache_free(). But that doesn't seem like the > > sort of thing which will take hours to reproduce. > > > > Do you have CONFIG_NUMA set? > > Hm, yes, for some reason CONFIG_NUMA, CONFIG_K8_NUMA and > CONFIG_x86_64_ACPI_NUMA are all set; I guess they're left from the stock > config I use at a base. (For those tuning in; this is a dual-core amd64. That > might be relevant somehow.) Please try it without NUMA - we've had a few problems there of late. If that fixes it then I have patches for you to test ;)