Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752730Ab2H1IMW (ORCPT ); Tue, 28 Aug 2012 04:12:22 -0400 Received: from db3ehsobe002.messaging.microsoft.com ([213.199.154.140]:32254 "EHLO db3outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750971Ab2H1IMT (ORCPT ); Tue, 28 Aug 2012 04:12:19 -0400 X-Forefront-Antispam-Report: CIP:163.181.249.109;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp02.amd.com;RD:none;EFVD:NLI X-SpamScore: -3 X-BigFish: VPS-3(zz98dI1432I4015Izz1202hzzz2dh668h839h944hd25hf0ah11b5h1155h) X-WSS-ID: 0M9GHG6-02-0WZ-02 X-M-MSG: Date: Tue, 28 Aug 2012 10:12:06 +0200 From: Robert Richter To: Steven Rostedt , Ingo Molnar CC: LKML Subject: Re: i386, v3.6-rc3: Kernel panic - not syncing: Fatal exception in interrupt Message-ID: <20120828081206.GG8285@erda.amd.com> References: <20120827151427.GE8285@erda.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20120827151427.GE8285@erda.amd.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2864 Lines: 72 On 27.08.12 17:14:27, Robert Richter wrote: > Steven and Ingo, > > while running profiling tests on 32 bit I got a > > Kernel panic - not syncing: Fatal exception in interrupt Seems not to be a regression, I could trigger it with v3.5 too. The problem seems to be oprofile related, full trace below. Thanks, -Robert BUG: unable to handle kernel NULL pointer dereference at 00000040 IP: [] print_context_stack+0x6e/0x8d *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: Pid: 15531, comm: perl Not tainted 3.5.0-oprofile-i386-standard-g28a33cb #2 Hewlett-Packard HP xw9400 Workstation/0A1Ch EIP: 0060:[] EFLAGS: 00010097 CPU: 3 EIP is at print_context_stack+0x6e/0x8d EAX: ffffe000 EBX: 00000040 ECX: f4bd1f94 EDX: 00000040 ESI: f4bd1f94 EDI: f4bd1f94 EBP: f5517ec0 ESP: f5517ea0 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 CR0: 8005003b CR2: 00000040 CR3: 34403000 CR4: 000007d0 DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 DR6: ffff0ff0 DR7: 00000400 Process perl (pid: 15531, ti=f5516000 task=f4f6bbc0 task.ti=f4bd0000) Stack: 000003e8 ffffe000 00001ffc f4b8e380 00000000 00000040 f4bd1f94 c1541178 f5517ef0 c1003717 c1541178 f5517f04 00000000 f5517edc 00000000 00000000 f5517ee8 f4bd1f94 f5517fc4 00000001 f5517f1c c12d3ba4 00000000 c1541178 Call Trace: [] dump_trace+0x7b/0xa1 [] x86_backtrace+0x40/0x88 [] ? oprofile_add_sample+0x56/0x84 [] oprofile_add_sample+0x75/0x84 [] op_amd_check_ctrs+0x46/0x260 [] ? wake_up_worker+0x19/0x1b [] ? insert_work+0x58/0x5c [] profile_exceptions_notify+0x23/0x4c [] nmi_handle+0x31/0x4a [] ? ftrace_define_fields_irq_handler_entry+0x45/0x45 [] do_nmi+0xa9/0x304 [] ? run_timer_softirq+0x2a/0x1f5 [] ? ftrace_define_fields_irq_handler_entry+0x45/0x45 [] nmi_stack_correct+0x28/0x2d [] ? ftrace_define_fields_irq_handler_entry+0x45/0x45 [] ? do_softirq+0x4b/0x7f [] irq_exit+0x35/0x5b [] smp_apic_timer_interrupt+0x6c/0x7a [] apic_timer_interrupt+0x2a/0x30 Code: 89 fe eb 08 31 c9 8b 45 0c ff 55 ec 83 c3 04 83 7d 10 00 74 0c 3b 5d 10 73 26 3b 5d e4 73 0c eb 1f 3b 5d f0 76 1a 3b 5d e8 73 15 <8b> 13 89 d0 89 55 e0 e8 9d 16 03 00 85 c0 8b 55 e0 75 a6 eb cc EIP: [] print_context_stack+0x6e/0x8d SS:ESP 0068:f5517ea0 CR2: 0000000000000040 ---[ end trace 0cce5d2b7aa480ce ]--- Kernel panic - not syncing: Fatal exception in interrupt -- Advanced Micro Devices, Inc. Operating System Research Center -- 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/