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Message-ID: <a8e1da0803042324ndd3873ay61cee6112d9dda9a@mail.gmail.com> Date: Wed, 5 Mar 2008 15:24:09 +0800 From: "Dave Young" <hidave.darkstar@...il.com> To: "Paul E. McKenney" <paulmck@...ibm.com> Cc: "Linux Kernel" <linux-kernel@...r.kernel.org> Subject: 2.6.25-rc4 rcupreempt.h WARNINGs while suspend/resume 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@...kstar:/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] [<c0128700>] ? zap_locks+0x30/0x70 [ 4134.833700] [<c0127ea4>] warn_on_slowpath+0x54/0x80 [ 4134.833708] [<c0140030>] ? hrtimer_init_sleeper+0x0/0x20 [ 4134.833715] [<c014c4ea>] ? __lock_acquired+0x10a/0x140 [ 4134.833722] [<c013fa05>] ? hrtimer_get_next_event+0x75/0xe0 [ 4134.833728] [<c014bf36>] ? __lock_release+0x26/0x70 [ 4134.833734] [<c013fa05>] ? hrtimer_get_next_event+0x75/0xe0 [ 4134.833741] [<c03d5989>] ? _spin_unlock_irqrestore+0x39/0x70 [ 4134.833749] [<c013fa05>] ? hrtimer_get_next_event+0x75/0xe0 [ 4134.833757] [<c013188b>] ? cmp_next_hrtimer_event+0x1b/0xa0 [ 4134.833765] [<c01470dd>] tick_nohz_stop_sched_tick+0x39d/0x3b0 [ 4134.833772] [<c03d3059>] ? __sched_text_start+0x229/0x4c0 [ 4134.833781] [<c0103030>] ? default_idle+0x0/0xa0 [ 4134.833787] [<c0103117>] cpu_idle+0x37/0x140 [ 4134.833793] [<c03d0e7f>] 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] [<c0128700>] ? zap_locks+0x30/0x70 [ 4134.833864] [<c0127ea4>] warn_on_slowpath+0x54/0x80 [ 4134.833873] [<c013f81d>] ? hrtimer_start+0xdd/0x150 [ 4134.833879] [<c014bf36>] ? __lock_release+0x26/0x70 [ 4134.833885] [<c013f81d>] ? hrtimer_start+0xdd/0x150 [ 4134.833892] [<c010ac18>] ? read_tsc+0x8/0x10 [ 4134.833898] [<c014212e>] ? getnstimeofday+0x3e/0x120 [ 4134.833906] [<c013ee78>] ? ktime_get_ts+0x58/0x60 [ 4134.833914] [<c013edcf>] ? ktime_get+0xf/0x30 [ 4134.833921] [<c0103030>] ? default_idle+0x0/0xa0 [ 4134.833927] [<c014729a>] tick_nohz_restart_sched_tick+0x17a/0x180 [ 4134.833934] [<c0103030>] ? default_idle+0x0/0xa0 [ 4134.833940] [<c01031c0>] cpu_idle+0xe0/0x140 [ 4134.833946] [<c03d0e7f>] 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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