Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757491Ab3EHR0E (ORCPT ); Wed, 8 May 2013 13:26:04 -0400 Received: from mx3-phx2.redhat.com ([209.132.183.24]:58463 "EHLO mx3-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756583Ab3EHR0C (ORCPT ); Wed, 8 May 2013 13:26:02 -0400 Date: Wed, 8 May 2013 13:25:58 -0400 (EDT) From: Zhouping Liu To: CAI Qian , Thomas Gleixner Cc: LKML Message-ID: <915207234.8181012.1368033958312.JavaMail.root@redhat.com> In-Reply-To: References: <1105830748.7586320.1367827006237.JavaMail.root@redhat.com> <1041117939.7586618.1367827116620.JavaMail.root@redhat.com> Subject: Re: 3.9.0: panic during boot at tick_do_broadcast MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.5.82.12] X-Mailer: Zimbra 8.0.3_GA_5664 (ZimbraWebClient - FF20 (Linux)/8.0.3_GA_5664) Thread-Topic: 3.9.0: panic during boot at tick_do_broadcast Thread-Index: SW8ZxW79FCIjhXuJ1MK6pFThXNTy5w== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5058 Lines: 127 ----- Original Message ----- > From: CAI Qian > Date: 2013/5/6 > Subject: 3.9.0: panic during boot at tick_do_broadcast > To: LKML vger.kernel.org> I bisected it, and found the murderer was this commit: b352bc1cbc29 tick: Convert broadcast cpu bitmaps to cpumask_var_t (CC'ed the patches' author Thomas.) Hello Thomas, could you have a look at this issue? Thanks, Zhouping > > > Never saw any of those during testing of all 3.9 rc releases. > > [ 1.023422] Intel PMU driver. > [ 1.025859] perf_event_intel: PEBS disabled due to CPU errata, please > upgrade microcode > [ 1.032534] ... version: 3 > [ 1.036078] ... bit width: 48 > [ 1.039506] ... generic registers: 8 > [ 1.042856] ... value mask: 0000ffffffffffff > [ 1.047382] ... max period: 000000007fffffff > [ 1.052229] ... fixed-purpose events: 3 > [ 1.055641] ... event mask: 00000007000000ff > [ 1.065070] smpboot: Booting Node 0, Processors #1 > [ 1.082422] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000048 > [ 1.089361] IP: [] tick_do_broadcast+0x6f/0xb0 > [ 1.094455] PGD 0 > [ 1.096126] Oops: 0000 [#1] SMP > [ 1.098793] Modules linked in: > [ 1.101464] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1 > [ 1.106487] Hardware nt DL120 G7, BIOS J01 02/01/2012 > [ 1.510871] task: ffff8802041c8000 ti: ffff8802041c2000 task.ti: > ffff8802041c2000 > [ 1.517310] RIP: 0010:[] [] > tick_do_broadcast+0x6f/0xb0 > [ 1.524408] RSP: 0000:ffff88020f403d10 EFLAGS: 00010002 > [ 1.528867] RAX: 0000000000000000 RBX: ffff88020705a0d0 RCX: > 0000000000000001 > [ 1.535019] RDX: 0000000000000001 RSI: 0000000000000040 RDI: > ffff88020705a0d0 > [ 1.540963] RBP: ffff88020f403d20 R08: 0000000000000002 R09: > 0000000000000001 > [ 1.546980] R10: 0000000000000002 R11: 000000000000b37c R12: > 000000000000d9a0 > [ 1.553124] R13: 0000000000000000 R14: 0000000000000000 R15: > 0000000000000001 > [ 1.559060] FS: 0000000000000000(0000) GS:ffff88020f400000(0000) > knlGS:0000000000000000 > [ 1.566007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 1.570771] CR2: 0000000000000048 CR3: 00000000018d5000 CR4: > 00000000000407f0 > [ 1.576792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 1.582933] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 1.588880] Stack: > [ 1.590563] ffffffff818dca80 ffffffff818e8400 ffff88020f403d30 > ffffffff810a75b1 > [ 1.596932] ffff88020f403d50 ffffffff810a75d4 0 0000000000000000 > [ 2.002208] ffff88020f403d60 ffffffff81004935 ffff88020f403db0 > ffffffff810df624 > [ 2.008450] Call Trace: > [ 2.010471] > [ 2.012057] [] tick_do_periodic_broadcast+0x41/0x50 > [ 2.017847] [] > tick_handle_periodic_broadcast+0x14/0x50 > [ 2.023640] [] timer_interrupt+0x15/0x20 > [ 2.028291] [] handle_irq_event_percpu+0x54/0x1e0 > [ 2.033810] [] ? task_tick_fair+0x16e/0x550 > [ 2.038626] [] handle_irq_event+0x42/0x70 > [ 2.043418] [] handle_edge_irq+0x6f/0x110 > [ 2.048508] [] handle_irq+0xbf/0x150 > [ 2.052945] [] ? irq_enter+0x51/0x90 > [ 2.057362] [] ? update_curr+0xec/0x170 > [ 2.062044] [] do_IRQ+0x5a/0xe0 > [ 2.066110] [] common_interrupt+0x6a/0x6a > [ 2.070846] [] ? __do_softirq+0x94/0x220 > [ 2.075555] [] ? __do_softirq+0x51/0x220 > [ 2.080335] [] irq_exit+0xa5/0xb0 > [ 2.084518] [] smp_apic_timer_interrupt+0x6e/0x99 > [ 2.089842] [] apic_timer_interrupt+0x6a/0x70 > [ 2.095022] > [ 2.096597] [] ? native_cpu_up+0x157.309461] > [] _cpu_up+0xc0/0x133 > [ 2.505201] [] cpu_up+0xd7/0xea > [ 2.509184] [] smp_init+0x76/0xa6 > [ 2.513717] [] kernel_init_freeable+0xdb/0x1ec > [ 2.518789] [] ? rest_init+0x80/0x80 > [ 2.523207] [] kernel_init+0xe/0xf0 > [ 2.527647] [] ret_from_fork+0x7c/0xb0 > [ 2.532127] [] ? rest_init+0x80/0x80 > [ 2.536569] Code: c3 0f 1f 00 48 63 35 15 8e 92 00 48 89 df 49 c7 c4 a0 > d9 00 00 e8 52 e0 24 00 89 c0 48 89 df 48 8b 04 c5 e0 43 9c 81 4a 8b 04 20 > 50 48 48 8b 5d f0 4c 8b 65 f8 c9 c3 0f 1f 40 00 f0 0f b3 07 > [ 2.552724] RIP [] tick_do_broadcast+0x6f/0xb0 > [ 2.558161] RSP > [ 2.561059] CR2: 0000000000000048 > [ 2.563901] ---[ end trace e29222d88d06c928 ]--- > [ 2.567755] Kernel panic - not syncing: Fatal exception in interrupt > [ 3.600013] Shutting down cpus with NMI > > CAI Qian > -- > 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/ > -- Thanks, Zhouping -- 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/