Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763409AbYCEHfe (ORCPT ); Wed, 5 Mar 2008 02:35:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754531AbYCEHfZ (ORCPT ); Wed, 5 Mar 2008 02:35:25 -0500 Received: from ti-out-0910.google.com ([209.85.142.185]:47722 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753688AbYCEHfY (ORCPT ); Wed, 5 Mar 2008 02:35:24 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Yr+Q61ENCHz1W6qEBb+hbiHnIvV1vEwRrCQFzeSu7kyXCUKavSQT/1N3sjEYLzpbLXOUBxZdyt8S1i8HQ86x19kXAZBIBO5YG4ayaHbnPfOFSbQ9G3oYuLXZtSOxxe+TTzChowGXC9tWNuFBtNSjdsjhK8W8/ff12Ts1s6Q/sxI= Message-ID: Date: Wed, 5 Mar 2008 15:35:20 +0800 From: "Jike Song" To: "Dave Young" Subject: Re: 2.6.25-rc4 rcupreempt.h WARNINGs while suspend/resume Cc: "Paul E. McKenney" , "Linux Kernel" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4105 Lines: 81 I have the very same problem. (Dell Optiplex 745, and 2.6.25-rc2 is fine with this) Besides, when "echo mem > /sys/power/state", everything goes right; while "echo standby > /sys/power/state", the WARNING appears. On Wed, Mar 5, 2008 at 3:24 PM, Dave Young wrote: > Hi, > don't know if it's fixed or not, with 2.6.25-rc4 after suspend/resume, > my syslog full of rcupreempt warnings. > > root@darkstar:/var/log# grep WARNING syslog|wc > 85499 940859 11223920 > > warnings are as following: > > [ 4134.833641] ------------[ cut here ]------------ > [ 4134.833647] WARNING: at include/linux/rcupreempt.h:91 > tick_nohz_stop_sched_tick+0x39d/0x3b0() > [ 4134.833650] Modules linked in: binfmt_misc rfcomm l2cap > snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device > snd_pcm_oss snd_mixer_oss thermal snd_hda_intel processor snd_pcm > button sg hci_usb rtc_cmos bluetooth evdev rtc_core snd_timer snd > pcspkr 3c59x i2c_i801 rtc_lib dcdbas serio_raw soundcore intel_agp > agpgart snd_page_alloc > [ 4134.833690] Pid: 0, comm: swapper Not tainted 2.6.25-rc4 #1 > [ 4134.833693] [] ? zap_locks+0x30/0x70 > [ 4134.833700] [] warn_on_slowpath+0x54/0x80 > [ 4134.833708] [] ? hrtimer_init_sleeper+0x0/0x20 > [ 4134.833715] [] ? __lock_acquired+0x10a/0x140 > [ 4134.833722] [] ? hrtimer_get_next_event+0x75/0xe0 > [ 4134.833728] [] ? __lock_release+0x26/0x70 > [ 4134.833734] [] ? hrtimer_get_next_event+0x75/0xe0 > [ 4134.833741] [] ? _spin_unlock_irqrestore+0x39/0x70 > [ 4134.833749] [] ? hrtimer_get_next_event+0x75/0xe0 > [ 4134.833757] [] ? cmp_next_hrtimer_event+0x1b/0xa0 > [ 4134.833765] [] tick_nohz_stop_sched_tick+0x39d/0x3b0 > [ 4134.833772] [] ? __sched_text_start+0x229/0x4c0 > [ 4134.833781] [] ? default_idle+0x0/0xa0 > [ 4134.833787] [] cpu_idle+0x37/0x140 > [ 4134.833793] [] start_secondary+0x9f/0xc0 > [ 4134.833802] ======================= > [ 4134.833805] ---[ end trace f3669ad1d62556af ]--- > [ 4134.833811] ------------[ cut here ]------------ > [ 4134.833814] WARNING: at include/linux/rcupreempt.h:99 > tick_nohz_restart_sched_tick+0x17a/0x180() > [ 4134.833817] Modules linked in: binfmt_misc rfcomm l2cap > snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device > snd_pcm_oss snd_mixer_oss thermal snd_hda_intel processor snd_pcm > button sg hci_usb rtc_cmos bluetooth evdev rtc_core snd_timer snd > pcspkr 3c59x i2c_i801 rtc_lib dcdbas serio_raw soundcore intel_agp > agpgart snd_page_alloc > [ 4134.833855] Pid: 0, comm: swapper Not tainted 2.6.25-rc4 #1 > [ 4134.833857] [] ? zap_locks+0x30/0x70 > [ 4134.833864] [] warn_on_slowpath+0x54/0x80 > [ 4134.833873] [] ? hrtimer_start+0xdd/0x150 > [ 4134.833879] [] ? __lock_release+0x26/0x70 > [ 4134.833885] [] ? hrtimer_start+0xdd/0x150 > [ 4134.833892] [] ? read_tsc+0x8/0x10 > [ 4134.833898] [] ? getnstimeofday+0x3e/0x120 > [ 4134.833906] [] ? ktime_get_ts+0x58/0x60 > [ 4134.833914] [] ? ktime_get+0xf/0x30 > [ 4134.833921] [] ? default_idle+0x0/0xa0 > [ 4134.833927] [] tick_nohz_restart_sched_tick+0x17a/0x180 > [ 4134.833934] [] ? default_idle+0x0/0xa0 > [ 4134.833940] [] cpu_idle+0xe0/0x140 > [ 4134.833946] [] start_secondary+0x9f/0xc0 > [ 4134.833955] ======================= > -- > 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/ > -- 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/