From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758321Ab2DJBFm (ORCPT ); Mon, 9 Apr 2012 21:05:42 -0400 Received: from mga03.intel.com ([143.182.124.21]:47438 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754741Ab2DJBFk (ORCPT ); Mon, 9 Apr 2012 21:05:40 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="128938561" Message-ID: <4F838734.9090700@intel.com> Date: Tue, 10 Apr 2012 09:04:52 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: paulmck@linux.vnet.ibm.com CC: "linux-kernel@vger.kernel.org" , Ingo Molnar Subject: Re: kernel panic on NHM EX machine References: <4F7ED569.6080103@intel.com> <20120409223100.GQ2430@linux.vnet.ibm.com> In-Reply-To: <20120409223100.GQ2430@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/10/2012 06:31 AM, Paul E. McKenney wrote: > On Fri, Apr 06, 2012 at 07:37:13PM +0800, Alex Shi wrote: >> The 3.4-rc1 kernel has a kernel panic in idle booting. >> >> Actually, from 3.3-rc1 kernel we occasionally find this issue may when >> do busy hackbench testing. but from rc1 kernel it will happens on each >> of rebooting. > > Can't say I have seen anything like this in my own testing, though I > did see significant instability in 3.4-rc1. However, 3.4-rc2 works > much better for me. Could you please try it out? > > Thanx, Paul > Ops, saw it again on rc2 kernel booting. [] __rcu_pending+0xbd/0x3bf [] rcu_check_callbacks+0x69/0xa7 [] update_process_times+0x3a/0x71 [] tick_sched_timer+0x6b/0x95 [] __run_hrtimer+0xb8/0x141 [] ? tick_nohz_handler+0xd3/0xd3 [] hrtimer_interrupt+0xdb/0x199 [] tick_do_broadcast.constprop.3+0x44/0x88 [] tick_do_periodic_broadcast+0x34/0x3e [] tick_handle_periodic_broadcast+0xf/0x40 [] timer_interrupt+0x10/0x17 [] handle_irq_event_percpu+0x5a/0x199 [] handle_irq_event+0x37/0x53 [] ? ack_apic_edge+0x1f/0x23 [] handle_edge_irq+0xa1/0xc8 [] handle_irq+0x125/0x12e [] ? irq_enter+0x13/0x64 [] do_IRQ+0x48/0xa0 [] common_interrupt+0x6a/0x6a [] ? tick_do_periodic_broadcast+0x34/0x3e [] ? arch_local_irq_enable+0x8/0xd [] __do_softirq+0x5e/0x182 [] ? update_ts_time_stats+0x2c/0x62 [] ? sched_clock_idle_wakeup_event+0x12/0x16 [] call_softirq+0x1c/0x30 [] do_softirq+0x41/0x7d [] irq_exit+0x44/0x9c [] scheduler_ipi+0x6b/0x6d [] smp_reschedule_interrupt+0x16/0x18 [] reschedule_interrupt+0x6a/0x70 [] ? arch_local_irq_enable+0x8/0xd [] ? sched_clock_idle_wakeup_event+0x12/0x16 [] acpi_idle_enter_bm+0x222/0x266 [] cpuidle_enter+0x12/0x14 [] cpuidle_idle_call+0xef/0x191 [] cpu_idle+0x9e/0xe8 [] rest_init+0x6d/0x6f [] start_kernel+0x3ad/0x3ba [] ? loglevel+0x31/0x31 [] x86_64_start_reservations+0xae/0xb2 [] ? early_idt_handlers+0x140/0x140 [] x86_64_start_kernel+0x102/0x111