Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753150AbXFKRL2 (ORCPT ); Mon, 11 Jun 2007 13:11:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751036AbXFKRLU (ORCPT ); Mon, 11 Jun 2007 13:11:20 -0400 Received: from nz-out-0506.google.com ([64.233.162.236]:20591 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750913AbXFKRLT (ORCPT ); Mon, 11 Jun 2007 13:11:19 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=XlBvrAl8U3gQo69QC4D39LAlPgngzdW6Qsc9L1W0GYEygXk9UauTXB7muyqxNrAz3uzMuKGDZQzh5QApX6xvkxT4ULa/eFoNDwiNhBYTYj8mRF8oijerQgEiK7g6n5GCNOrggahkKX2pvGNDZsV0Ox5YM+uV7/vO15CxZIEjLa4= Message-ID: <1defaf580706111011w641b26fbu68d6d34028f6e953@mail.gmail.com> Date: Mon, 11 Jun 2007 19:11:16 +0200 From: "=?ISO-8859-1?Q?H=E5vard_Skinnemoen?=" To: "Christoph Lameter" Subject: Re: kernel BUG at mm/slub.c:3689! Cc: "Haavard Skinnemoen" , "Linux Kernel" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070611161926.2a9f8efd@dhcp-255-175.norway.atmel.com> <1defaf580706110943q56d83939t9ab6331cc45b4810@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2359 Lines: 66 On 6/11/07, Christoph Lameter wrote: > Ahhh... I see its the same phenomenon as before but triggered by > a different cause. > > If you set the align to 32 then the first kmalloc slabs of size > > 8 > 16 > 32 > > are all of the same size which leads to duplicate files in sysfs. Yes, that seems to be the problem. > Does this patch fix it? Unfortunately, no. But I get a different error message; see below... Also unfortunately, I won't be able to do any more testing until I get back to work tomorrow -- I'm currently at home and I can't reset my board remotely (Doh! Why didn't I set panic_timeout...) Haavard kobject_add failed for :0000016 with -EEXIST, don't try to register things with the same name in the same directory. Call trace: [<9000f14e>] dump_stack+0x1a/0x24 [<90093128>] kobject_shadow_add+0xc4/0xe8 [<90093154>] kobject_add+0x8/0xc [<9003dec4>] sysfs_slab_add+0xb0/0xf0 [<900046c6>] slab_sysfs_init+0x26/0x78 [<900003f0>] kernel_init+0x74/0x1c0 [<90015cd4>] do_exit+0x0/0x52c ------------[ cut here ]------------ kernel BUG at /home/hskinnemoen/git/linux/mm/slub.c:3686! Oops: Kernel BUG, sig: 9 [#1] FRAME_POINTER chip: 0x01f:0x1e82 rev 0 Modules linked in: PC is at slab_sysfs_init+0x28/0x78 LR is at 0x9014e654 pc : [<900046c8>] lr : [<9014e654>] Not tainted sp : 901cbf98 r12: ffffffef r11: 00000001 r10: 00000001 r9 : 00000000 r8 : 9014e654 r7 : 901cbf98 r6 : 9014a2b4 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 90015cd4 r1 : 9000b4d0 r0 : 00000000 Flags: qvNzc Mode bits: hrje....g CPU Mode: Supervisor Process: swapper [1] (task: 901c9000 thread: 901ca000) Stack: (0x901cbf98 to 0x901cc000) bf80: 900003f0 901cbfdc bfa0: 90009b20 00000000 00000000 00000000 00000000 00000000 00400000 9000ebd0 bfc0: 9000ebd0 901cc000 00000000 00000000 00000000 00000000 00000000 90015cd4 bfe0: 00000000 00000000 00000000 00000000 00000000 90015cd4 9000037c 00000000 Call trace: [<900003f0>] kernel_init+0x74/0x1c0 [<90015cd4>] do_exit+0x0/0x52c Kernel panic - not syncing: Attempted to kill init! - 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/