From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422704AbWGNSgT (ORCPT ); Fri, 14 Jul 2006 14:36:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422705AbWGNSgS (ORCPT ); Fri, 14 Jul 2006 14:36:18 -0400 Received: from py-out-1112.google.com ([64.233.166.177]:65273 "EHLO py-out-1112.google.com") by vger.kernel.org with ESMTP id S1422704AbWGNSgS (ORCPT ); Fri, 14 Jul 2006 14:36:18 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ZBE7aqevTX2msT7AOuJQJMbzzAjubBQDPWqmgEjlIlc/Zel4Epfn9U2R/Wy3TZZtBtaAXNPqmVkjwxgh0MlvrDif1tqiRnFSZ3DeeyEjNX2B/oVOmV16WcuQdJgt6CyGNIca2iktmVtiuGRP/m9Aw1ElfDEaJkRchYNQe42xNbY= Message-ID: <6bffcb0e0607141136g43c3ae68jfafcb15333c008b6@mail.gmail.com> Date: Fri, 14 Jul 2006 20:36:08 +0200 From: "Michal Piotrowski" To: "Andrew Morton" Subject: Re: 2.6.18-rc1-mm2 Cc: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-usb-devel@lists.sourceforge.net, "Reuben Farrelly" In-Reply-To: <20060714110051.35902bfa.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060713224800.6cbdbf5d.akpm@osdl.org> <200607141336.08989.rjw@sisk.pl> <20060714110051.35902bfa.akpm@osdl.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, On 14/07/06, Andrew Morton wrote: > On Fri, 14 Jul 2006 13:36:08 +0200 > "Rafael J. Wysocki" wrote: > > > Unable to handle kernel NULL pointer dereference at 0000000000000038 RIP: > > [] __lock_acquire+0x7b/0xd30 > > PGD 0 > > Oops: 0000 [1] PREEMPT > > last sysfs file: /devices/pci0000:00/0000:00:0a.0/subsystem_vendor > > CPU 0 > > Modules linked in: ehci_hcd snd_page_alloc ip6t_REJECT xt_tcpudp i2c_nforce2 i2c_core ipt_REJECT xt_state ohci_hcd iptable_mangle iptable_n > > at ip_nat iptable_filter ip6table_mangle ip_conntrack ip_tables parport_pc lp ip6table_filter parport ip6_tables x_tables ipv6 dm_mod > > Pid: 110, comm: khubd Not tainted 2.6.18-rc1-mm2 #3 > > RIP: 0010:[] [] __lock_acquire+0x7b/0xd30 > > RSP: 0018:ffff81005feb1c18 EFLAGS: 00010046 > > RAX: 0000000000000002 RBX: 0000000000000246 RCX: 0000000000000000 > > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000030 > > RBP: ffff81005feb1c88 R08: 0000000000000002 R09: 0000000000000000 > > R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8046e23f > > R13: 0000000000000000 R14: ffff81005fe92040 R15: 0000000000000030 > > FS: 00002b0df5390b00(0000) GS:ffffffff808c0000(0000) knlGS:0000000000000000 > > CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > > CR2: 0000000000000038 CR3: 000000005dc35000 CR4: 00000000000006e0 > > Process khubd (pid: 110, threadinfo ffff81005feb0000, task ffff81005fe92040) > > Stack: 0000000000000000 ffff81005fe92040 ffff81005febe7a8 ffffffff80470079 > > 0000000200000000 0000000000000000 ffffffff80470038 0000000000000246 > > ffff81005a701680 0000000000000246 ffffffff8046e23f 0000000000000002 > > Call Trace: > > [] lock_acquire+0x8b/0xc0 > > [] _spin_lock+0x2f/0x40 > > [] klist_remove+0x1f/0x50 > > [] bus_remove_device+0xa7/0xe0 > > [] device_del+0x149/0x180 > > [] usb_disconnect+0x105/0x150 > > [] hub_thread+0x616/0xfd0 > > [] kthread+0xd9/0x110 > > [] child_rip+0x8/0x12 > > I seem to have made a programming mistake. > > Thanks! Problem solved. Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)