Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755670Ab0LJMBA (ORCPT ); Fri, 10 Dec 2010 07:01:00 -0500 Received: from mga01.intel.com ([192.55.52.88]:31134 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755616Ab0LJMA7 (ORCPT ); Fri, 10 Dec 2010 07:00:59 -0500 Message-Id: X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.59,323,1288594800"; d="scan'208";a="866725418" Date: Fri, 10 Dec 2010 12:00:55 +0000 To: linux-kernel@vger.kernel.org Subject: BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582) Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo From: Chris Wilson Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3104 Lines: 54 Strange OOPS, not sure what triggered it, but in case it helps: [57260.405026] BUG: unable to handle kernel paging request at 01000000 [57260.405098] IP: [] perf_ctx_adjust_freq+0x110/0x132 [57260.405153] *pde = 00000000 [57260.405181] Oops: 0000 [#1] SMP [57260.405216] last sysfs file: /sys/module/cpufreq_ondemand/refcnt [57260.405265] Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss sunrpc sco bnep l2cap bluetooth fuse acpi_cpufreq mperf snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device arc4 ecb snd_pcm thinkpad_acpi snd_timer snd iwlagn iwlcore mac80211 r852 sm_common nand nand_ids nand_ecc uvcvideo mtd iTCO_wdt joydev videodev i2c_i801 cfg80211 v4l1_compat ppdev iTCO_vendor_support soundcore rfkill wmi pcspkr microcode parport_pc parport snd_page_alloc uinput ipv6 sdhci_pci sdhci mmc_core firewire_ohci firewire_core yenta_socket crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video output [last unloaded: cpufreq_ondemand] [57260.405938] [57260.405955] Pid: 31699, comm: gdb Not tainted 2.6.37-rc4+ #3 7661BL5/7661BL5 [57260.406006] EIP: 0060:[] EFLAGS: 00210012 CPU: 1 [57260.406006] EIP is at perf_ctx_adjust_freq+0x110/0x132 [57260.406006] EAX: 01000000 EBX: 000f41a8 ECX: 00000000 EDX: f1e441b0 [57260.406006] ESI: 00000000 EDI: 00fffff8 EBP: f3637ed0 ESP: f3637ea8 [57260.406006] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [57260.406006] Process gdb (pid: 31699, ti=f3636000 task=f1c94b60 task.ti=f3636000) [57260.406006] Stack: [57260.406006] 00000000 f3723e00 f1e441b0 c042af08 00000000 f1e44180 01000000 00000000 [57260.406006] f4e06be4 f1e44180 f3637efc c04a1e3e 000f41a8 00000000 00000001 f4e06c74 [57260.406006] f4e06f10 f4e036e0 c07cdc34 f4e06300 00000001 f3637f14 c0435875 f1c94b60 [57260.406006] Call Trace: [57260.406006] [] ? update_curr+0xab/0x124 [57260.406006] [] ? perf_event_task_tick+0xdf/0x1ab [57260.406006] [] ? scheduler_tick+0xb0/0x1f0 [57260.406006] [] ? update_process_times+0x51/0x5d [57260.406006] [] ? tick_sched_timer+0x72/0xa0 [57260.406006] [] ? __run_hrtimer+0xa1/0x116 [57260.406006] [] ? tick_sched_timer+0x0/0xa0 [57260.406006] [] ? hrtimer_interrupt+0xde/0x1b3 [57260.406006] [] ? smp_apic_timer_interrupt+0x60/0x73 [57260.406006] [] ? apic_timer_interrupt+0x31/0x38 [57260.406006] Code: 00 00 7c 1b 7f 06 83 7d d8 00 76 13 ff 75 dc 89 da ff 75 d8 89 f8 89 f1 e8 5a cc ff ff 58 5a 8b 47 08 89 45 f0 8b 7d f0 83 ef 08 <8b> 47 08 e8 e1 bf ff ff 8d 47 08 3b 45 e0 0f 85 0e ff ff ff 8b [57260.406006] EIP: [] perf_ctx_adjust_freq+0x110/0x132 SS:ESP 0068:f3637ea8 [57260.406006] CR2: 0000000001000000 [57260.406006] ---[ end trace 8b112fc89b85bbd4 ]--- -- Chris Wilson, Intel Open Source Technology Centre -- 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/