Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932080AbWKCWvy (ORCPT ); Fri, 3 Nov 2006 17:51:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932208AbWKCWvy (ORCPT ); Fri, 3 Nov 2006 17:51:54 -0500 Received: from smtpa2.netcabo.pt ([212.113.174.17]:51523 "EHLO exch01smtp01.hdi.tvcabo") by vger.kernel.org with ESMTP id S932080AbWKCWvw (ORCPT ); Fri, 3 Nov 2006 17:51:52 -0500 Message-ID: <454BC8D1.1020001@rncbc.org> Date: Fri, 03 Nov 2006 22:55:13 +0000 From: Rui Nuno Capela User-Agent: Thunderbird 1.5.0.7 (X11/20060911) MIME-Version: 1.0 To: Karsten Wiese CC: linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: realtime-preempt patch-2.6.18-rt7 oops References: <42997.194.65.103.1.1162464204.squirrel@www.rncbc.org> <200611031230.24983.fzu@wemgehoertderstaat.de> In-Reply-To: <200611031230.24983.fzu@wemgehoertderstaat.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 03 Nov 2006 22:51:49.0517 (UTC) FILETIME=[A59C53D0:01C6FF9A] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 25195 Lines: 594 Karsten Wiese wrote: > > Does it make a difference, if you build & run with > CONFIG_HIGH_RES_TIMERS disabled? > Now with CONFIG_HIGH_RES_TIMERS not set, it seems to live longer, but not enough. Notice the soft lockup being detected: ... Oops: 0002 [#1] __schedule+0x644/0xee0 [] __activate_task+0x21/0x40 [] __activate_task+0x21/0x40 [] try_to_wake_up+0x5b/0x450 [] __rt_mutex_adjust_prio+0x8/0x20 [] task_blocks_on_rt_mutex+0x111/0x210 [] schedule+0x30/0x100 [] rt_spin_lock_slowlock+0x9b/0x1b0 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 BUG: scheduling from the idle thread! [] __schedule+0x6d9/0xee0 [] __activate_task+0x21/0x40 [] __activate_task+0x21/0x40 [] __rt_mutex_adjust_prio+0x8/0x20 [] task_blocks_on_rt_mutex+0x111/0x210 [] schedule+0x30/0x100 [] rt_spin_lock_slowlock+0x9b/0x1b0 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 PREEMPT SMP Modules linked in: appletalk ax25 ipx p8023 ipv6 snd_seq_dummy edd snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event snd_seq button battery ac w83627hf hwmon_vid hwmon i2c_isa loop dm_mod intel_rng usbhid wacom snd_cs46xx snd_intel8x0 gameport snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec snd_ac97_bus i2c_i801 snd_i2c snd_pcm i2c_core snd_mpu401_uart intel_agp snd_timer snd_rawmidi snd_seq_device agpgart i8xx_tco snd ehci_hcd soundcore snd_page_alloc sk98lin ide_cd cdrom shpchp ohci1394 pci_hotplug ieee1394 uhci_hcd usbcore ext3 jbd reiserfs fan thermal processor piix ide_disk ide_core CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010046 (2.6.18.1-rt7.1-smp #1) EIP is at enqueue_task+0x2b/0x90 eax: c188f708 ebx: c188f28c ecx: 00000000 edx: dfd010d8 esi: dfd010b0 edi: c188edc0 ebp: e3659d10 esp: e3659d08 ds: 007b es: 007b ss: 0068 preempt: 00000004 Process kio_http (pid: 7114, ti=e3658000 task=f79282b0 task.ti=e3658000) Stack: c188edc0 dfd010b0 e3659d20 c011e5f1 00000001 dfd010b0 e3659d84 c0120971 00000001 c188f740 c042b024 00000000 0000001f e3658000 00000001 00000000 00000004 00000000 00000000 00000000 00000000 00000001 00000001 c03d4280 Call Trace: [] __activate_task+0x21/0x40 [] try_to_wake_up+0x321/0x450 [] wakeup_next_waiter+0xd2/0x1d0 [] wake_up_process_mutex+0x19/0x20 [] rt_spin_lock_slowunlock+0x41/0x70 [] __schedule+0xc0c/0xee0 [] rb_insert_color+0x64/0xb0 [] enqueue_hrtimer+0x72/0x90 [] schedule+0x30/0x100 [] do_futex+0xa08/0xee0 [] move_addr_to_user+0x7d/0x90 [] hrtimer_wakeup+0x0/0x20 [] default_wake_function+0x0/0x20 [] iput+0x60/0x90 [] sys_futex+0x9a/0xd0 [] sysenter_past_esp+0x56/0x79 Code: 55 89 e5 56 89 c6 53 89 d3 f6 40 0c 08 74 09 a1 60 b0 35 c0 85 c0 75 4b 8b 46 1c 8d 56 28 8d 44 c3 1c 8b 48 04 89 46 28 89 50 04 <89> 11 89 4a 04 8b 46 1c 83 43 04 01 0f ab 43 08 83 7e 1c 63 89 EIP: [] enqueue_task+0x2b/0x90 SS:ESP 0068:e3659d08 <6>note: kio_http[7114] exited with preempt_count 3 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x22/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x22/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] kprobe_flush_task+0xe/0x50 [] __schedule+0xc0c/0xee0 [] wake_up_process+0x19/0x20 [] redirect_hardirq+0x5e/0xa0 [] reschedule_interrupt+0x1f/0x24 [] default_idle+0x0/0x80 [] cpu_idle+0xb1/0x120 [] start_kernel+0x368/0x440 [] unknown_bootoption+0x0/0x280 BUG: soft lockup detected on CPU#0! [swapper:0] [] softlockup_tick+0xcf/0x130 [] update_process_times+0x31/0x80 [] handle_update_profile+0x11/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [] apic_timer_interrupt+0x1f/0x24 [] __spin_lock_irqsave+0x1f/0x40 [] rt_spin_lock_slowlock+0x16/0x1b0 [] wake_up_process+0x19/0x20 [] smp_apic_timer_interrupt+0x54/0x70 [