Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932105AbYCEHY1 (ORCPT ); Wed, 5 Mar 2008 02:24:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753263AbYCEHYQ (ORCPT ); Wed, 5 Mar 2008 02:24:16 -0500 Received: from ti-out-0910.google.com ([209.85.142.186]:48574 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752669AbYCEHYP (ORCPT ); Wed, 5 Mar 2008 02:24:15 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=poPds6TQNrKq9DqsFcJMpg27l3mjNx9DRjUIE8fEazYdGn9mlBbvkBvk7JX4tB+tLog1FhAAI+mls8Rx27caC2iWqpckIddVaxGv/C55wHZvIrNLXHXErlv5bD/38lNP2/AzQhLdpnvob+YOL3oP6J3SBbXSw4jSqGHMYgZn0aQ= Message-ID: Date: Wed, 5 Mar 2008 15:24:09 +0800 From: "Dave Young" To: "Paul E. McKenney" Subject: 2.6.25-rc4 rcupreempt.h WARNINGs while suspend/resume Cc: "Linux Kernel" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3371 Lines: 66 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/