From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755548AbZBFI5R (ORCPT ); Fri, 6 Feb 2009 03:57:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752641AbZBFI47 (ORCPT ); Fri, 6 Feb 2009 03:56:59 -0500 Received: from mail.gmx.net ([213.165.64.20]:55656 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752387AbZBFI46 (ORCPT ); Fri, 6 Feb 2009 03:56:58 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX18LGYo3YsALrZH3aqfYWTjii5PlBx+fwXteeXqC0R ZLoUhmOtr5MELP Subject: x86-tip.today: flood of WARNING: at include/linux/sched.h:2238 run_posix_cpu_timers+0xea/0x79f() From: Mike Galbraith To: LKML Cc: Ingo Molnar , Thomas Gleixner Content-Type: text/plain Date: Fri, 06 Feb 2009 09:56:54 +0100 Message-Id: <1233910614.23431.18.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.5600000000000001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greetings, Futzing with kerneltop this morning, I fired up amarok to give it something light to monitor while I hunt missing events. Something bad happened, and when I finally (SysRq-E took minutes) got control of box back, dmesg was full of a steady stream of the below. That warning can be kinda unfriendly. [ 9964.600004] ------------[ cut here ]------------ [ 9964.600006] WARNING: at include/linux/sched.h:2238 run_posix_cpu_timers+0xea/0x79f() [ 9964.600008] Hardware name: MS-7502 [ 9964.600009] Modules linked in: snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq ip_tables ip6_tables microcode nls_iso8859_1 nls_cp437 vfat fat fuse loop dm_mod hid_pl hid_cypress hid_zpff hid_gyration hid_sony hid_samsung hid_microsoft hid_tmff hid_monterey hid_ezkey snd_hda_codec_realtek hid_a4tech hid_logitech ff_memless hid_cherry snd_hda_intel hid_sunplus snd_hda_codec firewire_ohci hid_petalynx firewire_core snd_hwdep snd_pcm hid_belkin snd_timer usbhid hid_chicony usb_storage snd crc_itu_t soundcore rtc_cmos ohci1394 libusual i2c_i801 hid rtc_core ieee1394 sr_mod rtc_lib e1000e snd_page_alloc cdrom intel_agp i2c_core button sg ehci_hcd uhci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ahci libata scsi_mod thermal processor [ 9964.600051] Pid: 10057, comm: amarokapp Tainted: G W 2.6.29-tip-smp #126 [ 9964.600052] Call Trace: [ 9964.600054] [] warn_slowpath+0xd3/0x10f [ 9964.600060] [] ? bio_free+0x4d/0x52 [ 9964.600063] [] ? enqueue_task_fair+0x148/0x198 [ 9964.600067] [] ? enqueue_task+0x64/0x6f [ 9964.600070] [] ? activate_task+0x22/0x2a [ 9964.600073] [] ? try_to_wake_up+0x24b/0x25d [ 9964.600076] [] ? default_wake_function+0xd/0xf [ 9964.600079] [] ? autoremove_wake_function+0x11/0x38 [ 9964.600083] [] ? __wake_up_common+0x46/0x76 [ 9964.600086] [] ? __wake_up+0x43/0x50 [ 9964.600089] [] run_posix_cpu_timers+0xea/0x79f [ 9964.600093] [] ? perf_counter_task_tick+0x8f/0x94 [ 9964.600096] [] update_process_times+0x57/0x60 [ 9964.600099] [] tick_sched_timer+0x6b/0x95 [ 9964.600102] [] __run_hrtimer+0x51/0x85 [ 9964.600105] [] hrtimer_interrupt+0xe7/0x141 [ 9964.600108] [] smp_apic_timer_interrupt+0x80/0x98 [ 9964.600111] [] apic_timer_interrupt+0x13/0x20 [ 9964.600113] <4>---[ end trace 27d069ba1cae7828 ]--- [ 9964.636004] ------------[ cut here ]------------