From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264144AbUDBS7i (ORCPT ); Fri, 2 Apr 2004 13:59:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264150AbUDBS7i (ORCPT ); Fri, 2 Apr 2004 13:59:38 -0500 Received: from phoenix.infradead.org ([213.86.99.234]:26117 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S264144AbUDBS7d (ORCPT ); Fri, 2 Apr 2004 13:59:33 -0500 Date: Fri, 2 Apr 2004 19:59:28 +0100 From: Christoph Hellwig To: Andrea Arcangeli Cc: Andrew Morton , hugh@veritas.com, vrajesh@umich.edu, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC][PATCH 1/3] radix priority search tree - objrmap complexity fix Message-ID: <20040402195927.A6659@infradead.org> Mail-Followup-To: Christoph Hellwig , Andrea Arcangeli , Andrew Morton , hugh@veritas.com, vrajesh@umich.edu, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20040402001535.GG18585@dualathlon.random> <20040402011627.GK18585@dualathlon.random> <20040401173649.22f734cd.akpm@osdl.org> <20040402020022.GN18585@dualathlon.random> <20040402104334.A871@infradead.org> <20040402164634.GF21341@dualathlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20040402164634.GF21341@dualathlon.random>; from andrea@suse.de on Fri, Apr 02, 2004 at 06:46:34PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 02, 2004 at 06:46:34PM +0200, Andrea Arcangeli wrote: > it's not clear why this triggered, bad_page only shows the "master" > compound page and not the contents of the slave page that triggered the > bad_page. Can you try again with this incremental patch applied? Bad page state at destroy_compound_page (in process 'swapper', page c0772380) flags:0x00080008 mapping:00000000 mapped:0 count:134217728 private:0xc07721ff Backtrace: Call trace: [c000b5c8] dump_stack+0x18/0x28 [c0048b64] bad_page+0x74/0xbc [c0048c7c] destroy_compound_page+0x80/0xb8 [c0048ed0] free_pages_bulk+0x21c/0x220 [c0049030] __free_pages_ok+0x15c/0x188 [c004d520] slab_destroy+0x140/0x234 [c00505f0] reap_timer_fnc+0x1e4/0x2b8 [c002feac] run_timer_softirq+0x134/0x1fc [c002abd0] do_softirq+0x140/0x144 [c0009e5c] timer_interrupt+0x2d0/0x300 [c0007cac] ret_from_except+0x0/0x14 [c000381c] ppc6xx_idle+0xe4/0xf0 [c0009b7c] cpu_idle+0x28/0x38 [c00038c4] rest_init+0x50/0x60 [c0364784] start_kernel+0x198/0x1d8