From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750975Ab1IYFIb (ORCPT ); Sun, 25 Sep 2011 01:08:31 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:37176 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750750Ab1IYFIa (ORCPT ); Sun, 25 Sep 2011 01:08:30 -0400 Date: Sat, 24 Sep 2011 22:08:26 -0700 From: "Paul E. McKenney" To: "Kirill A. Shutemov" Cc: linux-kernel@vger.kernel.org, Frederic Weisbecker , Dipankar Sarma , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Lai Jiangshan Subject: Re: linux-next-20110923: warning kernel/rcutree.c:1833 Message-ID: <20110925050826.GC2995@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20110925002409.GA24220@shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110925002409.GA24220@shutemov.name> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Sep 25, 2011 at 03:24:09AM +0300, Kirill A. Shutemov wrote: > [ 29.974288] ------------[ cut here ]------------ > [ 29.974308] WARNING: at /home/kas/git/public/linux-next/kernel/rcutree.c:1833 rcu_needs_cpu+0xff > [ 29.974316] Hardware name: HP EliteBook 8440p > [ 29.974321] Modules linked in: ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iple_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc rfcomm bnep acpi_cpufreq mperfckd fscache auth_rpcgss nfs_acl sunrpc ext2 loop kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_idtideodev media v4l2_compat_ioctl32 snd_seq bluetooth drm_kms_helper snd_timer tpm_infineon snd_seq_drt tpm_tis hp_accel intel_ips soundcore lis3lv02d tpm rfkill i2c_algo_bit snd_page_alloc i2c_core c16 sha256_generic aesni_intel cryptd aes_x86_64 aes_generic cbc dm_crypt dm_mod sg sr_mod sd_mod cd thermal_sys [last unloaded: scsi_wait_scan] > [ 29.974517] Pid: 0, comm: kworker/0:1 Not tainted 3.1.0-rc7-next-20110923 #2 > [ 29.974521] Call Trace: > [ 29.974525] [] warn_slowpath_common+0x7a/0xb0 > [ 29.974540] [] warn_slowpath_null+0x15/0x20 > [ 29.974546] [] rcu_needs_cpu+0xff/0x110 > [ 29.974555] [] tick_nohz_stop_sched_tick+0x13f/0x3d0 > [ 29.974563] [] ? notifier_call_chain+0x70/0x70 > [ 29.974571] [] irq_exit+0xa2/0xd0 > [ 29.974578] [] smp_apic_timer_interrupt+0x85/0x1c0 > [ 29.974585] [] ? notifier_call_chain+0x70/0x70 > [ 29.974592] [] apic_timer_interrupt+0x6e/0x80 > [ 29.974596] [] ? acpi_hw_read+0x4a/0x51 > [ 29.974609] [] ? lock_acquire+0xa7/0x160 > [ 29.974615] [] ? notifier_call_chain+0x70/0x70 > [ 29.974622] [] __atomic_notifier_call_chain+0x56/0xb0 > [ 29.974631] [] ? notifier_call_chain+0x70/0x70 > [ 29.974642] [] ? cpuidle_idle_call+0x106/0x350 > [ 29.974651] [] atomic_notifier_call_chain+0x11/0x20 > [ 29.974661] [] cpu_idle+0xe3/0x120 > [ 29.974672] [] start_secondary+0x1fd/0x204 > [ 29.974681] ---[ end trace 6c1d44095a3bb7c5 ]--- Do the following help? https://lkml.org/lkml/2011/9/17/47 https://lkml.org/lkml/2011/9/17/45 https://lkml.org/lkml/2011/9/17/43 Thanx, Paul