From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754959Ab1GEWTV (ORCPT ); Tue, 5 Jul 2011 18:19:21 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:52585 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751608Ab1GEWTT (ORCPT ); Tue, 5 Jul 2011 18:19:19 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: Andrew Morton , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org, x86@kernel.org Subject: 3.0.0-rc5-mmotm0630 - rcu_update whinge in cpu_idle From: Valdis.Kletnieks@vt.edu Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1309904282_18528P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 05 Jul 2011 18:18:02 -0400 Message-ID: <61640.1309904282@turing-police.cc.vt.edu> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Junkmail-Info: (0) X-Junkmail-Status: score=10/50, host=steiner.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020208.4E138D9C.0060,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1309904282_18528P Content-Type: text/plain; charset=us-ascii (Sorry if this is already reported, I'm back from 10 days off and am about 8,423 mails behind on lkml ;) Seen at boot of 3.0.0-rc5-mmotm0630: [ 0.411716] HPET: 4 timers in total, 0 timers will be used for per-cpu timer [ 0.411716] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0 [ 0.411716] hpet0: 4 comparators, 64-bit 14.318180 MHz counter [ 0.417076] Switching to clocksource hpet [ 0.417601] Warning: could not register annotated branches stats [ 0.417925] Switched to NOHz mode on CPU #1 [ 0.417966] ------------[ cut here ]------------ [ 0.417973] WARNING: at include/linux/rcupdate.h:256 rcu_lock_acquire+0x6a/0xc5() [ 0.417976] Hardware name: Latitude E6500 [ 0.417978] Modules linked in: [ 0.417983] Pid: 0, comm: kworker/0:0 Not tainted 3.0.0-rc5-mmotm0630 #1 [ 0.417985] Call Trace: [ 0.417991] [] warn_slowpath_common+0x7e/0x96 [ 0.417995] [] warn_slowpath_null+0x15/0x17 [ 0.417999] [] rcu_lock_acquire+0x6a/0xc5 [ 0.418005] [] __atomic_notifier_call_chain+0x2c/0x62 [ 0.418009] [] atomic_notifier_call_chain+0xf/0x11 [ 0.418014] [] enter_idle+0x20/0x22 [ 0.418018] [] cpu_idle+0x73/0xf9 [ 0.418024] [] start_secondary+0x9a/0x9c [ 0.418068] ---[ end trace 4eaa2a86a8e2da22 ]--- [ 0.418070] ------------[ cut here ]------------ [ 0.418074] WARNING: at include/linux/rcupdate.h:262 rcu_lock_release+0x66/0xb1() [ 0.418077] Hardware name: Latitude E6500 [ 0.418079] Modules linked in: [ 0.418083] Pid: 0, comm: kworker/0:0 Tainted: G W 3.0.0-rc5-mmotm0630 #1 [ 0.418085] Call Trace: [ 0.418089] [] warn_slowpath_common+0x7e/0x96 [ 0.418093] [] warn_slowpath_null+0x15/0x17 [ 0.418097] [] rcu_lock_release+0x66/0xb1 [ 0.418102] [] __atomic_notifier_call_chain+0x53/0x62 [ 0.418106] [] atomic_notifier_call_chain+0xf/0x11 [ 0.418110] [] enter_idle+0x20/0x22 [ 0.418114] [] cpu_idle+0x73/0xf9 [ 0.418119] [] start_secondary+0x9a/0x9c [ 0.418122] ---[ end trace 4eaa2a86a8e2da23 ]--- [ 0.424803] Switched to NOHz mode on CPU #0 --==_Exmh_1309904282_18528P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFOE42acC3lWbTT17ARAlKsAKC2rZ5Qk04/ChhMgyop4Q/Rc4FETgCfb0Oq bmrL1s3CCh8sqifTMk+35BY= =eneX -----END PGP SIGNATURE----- --==_Exmh_1309904282_18528P--