From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754643AbZAKULi (ORCPT ); Sun, 11 Jan 2009 15:11:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752650AbZAKULM (ORCPT ); Sun, 11 Jan 2009 15:11:12 -0500 Received: from one.firstfloor.org ([213.235.205.2]:52822 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752363AbZAKULL (ORCPT ); Sun, 11 Jan 2009 15:11:11 -0500 Date: Sun, 11 Jan 2009 21:10:43 +0100 From: Andi Kleen To: linux-kernel@vger.kernel.org Subject: native_smp_send_reschedule WARN_ON in .29rc1 on reboot Message-ID: <20090111201043.GA17990@basil.nowhere.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just got this while rebooting 2.6.29rc1. -Andi sd 0:0:0:0: [sda] Synchronizing SCSI cache igb 0000:01:00.1: PME# enabled igb 0000:01:00.1: PME# enabled igb 0000:01:00.0: PME# enabled igb 0000:01:00.0: PME# enabled Restarting system. machine restart ------------[ cut here ]------------ WARNING: at /home/lsrc/git/linux-2.6/arch/x86/kernel/smp.c:118 resched_cpu+0x65/0x78() Hardware name: ... Modules linked in: Pid: 6777, comm: reboot Not tainted 2.6.29-rc1 #59 Call Trace: [] warn_slowpath+0xd8/0xf5 [] place_entity+0x52/0x75 [] target_load+0x2a/0x4f [] cpumask_next_and+0x2a/0x3e [] find_busiest_group+0x263/0x795 [] getnstimeofday+0x57/0xb7 [] ktime_get_ts+0x22/0x4b [] resched_cpu+0x65/0x78 [] getnstimeofday+0x57/0xb7 [] ktime_get_ts+0x22/0x4b [] getnstimeofday+0x57/0xb7 [] update_curr+0x57/0x9b [] resched_cpu+0x65/0x78 [] scheduler_tick+0x12d/0x1c0 [] update_process_times+0x44/0x50 [] tick_sched_timer+0x76/0x9c [] __run_hrtimer+0x6a/0x9c [] hrtimer_interrupt+0x8b/0xd9 [] smp_apic_timer_interrupt+0x8e/0xac [] apic_timer_interrupt+0x13/0x20 <4>---[ end trace 47498389a6a28900 ]--- -- ak@linux.intel.com