From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <44575CA1.1090009@shadowen.org> Date: Tue, 02 May 2006 14:20:33 +0100 From: Andy Whitcroft MIME-Version: 1.0 To: Andi Kleen Subject: Re: 2.6.17-rc2-mm1 References: <4450F5AD.9030200@google.com> <20060428012022.7b73c77b.akpm@osdl.org> <44561A1E.7000103@google.com> <200605012034.26763.ak@suse.de> In-Reply-To: <200605012034.26763.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Cc: Andrew Morton , linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org, "Martin J. Bligh" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Andi Kleen wrote: > On Monday 01 May 2006 16:24, Martin J. Bligh wrote: > > >>double fault: 0000 [1] SMP >>last sysfs file: /devices/pci0000:00/0000:00:06.0/resource >>CPU 0 >>Modules linked in: >>Pid: 20519, comm: mtest01 Not tainted 2.6.17-rc3-mm1-autokern1 #1 >>RIP: 0010:[] {__sched_text_start+1856} >>RSP: 0000:0000000000000000 EFLAGS: 00010082 >>RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff805d9438 >>RDX: ffff8100db12c0d0 RSI: ffffffff805d9438 RDI: ffff8100db12c0d0 >>RBP: ffffffff805d9438 R08: 0000000000000000 R09: 0000000000000000 >>R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 >>R13: ffff8100e39bd440 R14: ffff810008003620 R15: 000002b02751726c >>FS: 0000000000000000(0000) GS:ffffffff805fa000(0063) knlGS:00000000f7dd0460 >>CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b >>CR2: fffffffffffffff8 CR3: 00000000da399000 CR4: 00000000000006e0 >>Process mtest01 (pid: 20519, threadinfo ffff8100b1bb4000, task >>ffff8100db12c0d0) >>Stack: ffffffff80579e20 ffff8100db12c0d0 0000000000000001 ffffffff80579f58 >> 0000000000000000 ffffffff80579e78 ffffffff8020b0b2 ffffffff80579f58 >> 0000000000000000 ffffffff80485520 >>Call Trace: <#DF> {show_registers+140} >> {__die+159} {die+50} >> {do_double_fault+115} >>{double_fault+125} >> {__sched_text_start+1856} > > > That's really strange - i wonder why the backtracer can't find the original > stack. Should probably add some printk diagnosis here. > > Can you send the output with this patch? Submitted, they should show up in teh matrix forthwith. Will drop you the output when done. -apw From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964807AbWEBNU4 (ORCPT ); Tue, 2 May 2006 09:20:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964808AbWEBNU4 (ORCPT ); Tue, 2 May 2006 09:20:56 -0400 Received: from hellhawk.shadowen.org ([80.68.90.175]:56583 "EHLO hellhawk.shadowen.org") by vger.kernel.org with ESMTP id S964807AbWEBNUz (ORCPT ); Tue, 2 May 2006 09:20:55 -0400 Message-ID: <44575CA1.1090009@shadowen.org> Date: Tue, 02 May 2006 14:20:33 +0100 From: Andy Whitcroft User-Agent: Debian Thunderbird 1.0.7 (X11/20051017) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andi Kleen CC: "Martin J. Bligh" , Andrew Morton , linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: 2.6.17-rc2-mm1 References: <4450F5AD.9030200@google.com> <20060428012022.7b73c77b.akpm@osdl.org> <44561A1E.7000103@google.com> <200605012034.26763.ak@suse.de> In-Reply-To: <200605012034.26763.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > On Monday 01 May 2006 16:24, Martin J. Bligh wrote: > > >>double fault: 0000 [1] SMP >>last sysfs file: /devices/pci0000:00/0000:00:06.0/resource >>CPU 0 >>Modules linked in: >>Pid: 20519, comm: mtest01 Not tainted 2.6.17-rc3-mm1-autokern1 #1 >>RIP: 0010:[] {__sched_text_start+1856} >>RSP: 0000:0000000000000000 EFLAGS: 00010082 >>RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff805d9438 >>RDX: ffff8100db12c0d0 RSI: ffffffff805d9438 RDI: ffff8100db12c0d0 >>RBP: ffffffff805d9438 R08: 0000000000000000 R09: 0000000000000000 >>R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 >>R13: ffff8100e39bd440 R14: ffff810008003620 R15: 000002b02751726c >>FS: 0000000000000000(0000) GS:ffffffff805fa000(0063) knlGS:00000000f7dd0460 >>CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b >>CR2: fffffffffffffff8 CR3: 00000000da399000 CR4: 00000000000006e0 >>Process mtest01 (pid: 20519, threadinfo ffff8100b1bb4000, task >>ffff8100db12c0d0) >>Stack: ffffffff80579e20 ffff8100db12c0d0 0000000000000001 ffffffff80579f58 >> 0000000000000000 ffffffff80579e78 ffffffff8020b0b2 ffffffff80579f58 >> 0000000000000000 ffffffff80485520 >>Call Trace: <#DF> {show_registers+140} >> {__die+159} {die+50} >> {do_double_fault+115} >>{double_fault+125} >> {__sched_text_start+1856} > > > That's really strange - i wonder why the backtracer can't find the original > stack. Should probably add some printk diagnosis here. > > Can you send the output with this patch? Submitted, they should show up in teh matrix forthwith. Will drop you the output when done. -apw