Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754056AbYHBB7I (ORCPT ); Fri, 1 Aug 2008 21:59:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752211AbYHBB6z (ORCPT ); Fri, 1 Aug 2008 21:58:55 -0400 Received: from wx-out-0506.google.com ([66.249.82.234]:55922 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752096AbYHBB6x (ORCPT ); Fri, 1 Aug 2008 21:58:53 -0400 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=OzKI1PjqpLhIh5gdoU9G2SbB9SucURvM4rcsOd7a4DWow7Ha/1QfsAZ7iyxzipKBzZ zVMPyWrPKGXxVAw54OdjBCPcsNTK+3byQ0E+c5WUDnB3y1WvA82MS99nfQv/3g6lXq05 lIRL9ihK6XFLgpgPfcv3IRbKmXvB0WzMv1wQw= Message-ID: <82e4877d0808011858v336447dcn9e333407a89c73b@mail.gmail.com> Date: Fri, 1 Aug 2008 21:58:51 -0400 From: "Parag Warudkar" To: "Linux Kernel Mailing List" Subject: tip - oops while running powertop Cc: "Ingo Molnar" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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: 4029 Lines: 77 Got the below oops just after running powertop. Does not seem to occur in Linus's tree. Parag [ 780.772501] BUG: unable to handle kernel paging request at c012aa60 [ 780.772501] IP: [] number+0x1f8/0x330 [ 780.772501] *pdpt = 0000000000476001 *pde = 00000000004ed067 *pte = 000000000012a161 [ 780.772501] Oops: 0003 [#1] SMP [ 780.772501] Modules linked in: af_packet radeon drm binfmt_misc rfcomm l2cap kvm_intel kvm ppdev ipv6 acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_conservative cpufreq_ondemand freq_table cpufreq_userspace container video output pci_slot battery iptable_filter ip_tables x_tables ac sbp2 lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_hwdep appledisplay hci_usb snd bluetooth psmouse iTCO_wdt parport_serial parport_pc intel_agp parport button soundcore agpgart serio_raw snd_page_alloc iTCO_vendor_support pcspkr e1000e shpchp pci_hotplug evdev ext3 jbd mbcache sg sr_mod cdrom sd_mod usbhid hid usb_storage libusual ohci1394 ieee1394 ahci libata scsi_mod dock uhci_hcd ehci_hcd usbcore thermal processor fan thermal_sys fuse [ 780.776002] [ 780.776002] Pid: 7472, comm: powertop Not tainted (2.6.27-rc1-tip-tip #2) [ 780.776002] EIP: 0060:[] EFLAGS: 00010206 CPU: 2 [ 780.776002] EIP is at number+0x1f8/0x330 [ 780.776002] EAX: 00000030 EBX: 00000000 ECX: f282bdab EDX: c012aa60 [ 780.776002] ESI: c012aa60 EDI: ffffffff EBP: 00000001 ESP: f282bd88 [ 780.776002] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 780.776002] Process powertop (pid: 7472, ti=f282a000 task=f446a760 task.ti=f282a000) [ 780.776002] Stack: fffffffc f282bdaa 00000000 00000000 c03fe3c0 fffffffd fffffffc 00000001 [ 780.776002] c030e3c4 c0125e78 80000001 00000000 fff99000 00000286 fb53e769 c0346025 [ 780.776002] c01b126e f35b1558 4c0c797e f71ef000 f282be48 f70a6cc0 00000000 00000016 [ 780.776002] Call Trace: [ 780.776002] [] fib_dump_info+0x134/0x3d0 [ 780.776002] [] kmap_atomic_prot+0xf8/0x130 [ 780.776002] [] _spin_lock+0x5/0x10 [ 780.776002] [] __d_lookup+0x10e/0x120 [ 780.776002] [] sched_mc_power_savings_show+0x0/0x20 [ 780.776002] [] vsnprintf+0x2d1/0x5a0 [ 780.776002] [] sched_mc_power_savings_show+0x0/0x20 [ 780.776002] [] flush_tlb_page+0x71/0x80 [ 780.776002] [] dput+0x97/0x130 [ 780.776002] [] sysfs_put_active_two+0xc/0x20 [ 780.776002] [] sysfs_open_file+0x188/0x1f0 [ 780.776002] [] kmap_atomic+0x1c/0x30 [ 780.776002] [] kunmap_atomic+0x2d/0x80 [ 780.776002] [] get_page_from_freelist+0x2cd/0x480 [ 780.776002] [] __alloc_pages_internal+0xb3/0x450 [ 780.776002] [] mmap_region+0x24c/0x490 [ 780.776002] [] sprintf+0x20/0x30 [ 780.776002] [] sched_mc_power_savings_show+0x1c/0x20 [ 780.776002] [] sched_mc_power_savings_show+0x0/0x20 [ 780.776002] [] sysdev_class_show+0x21/0x30 [ 780.776002] [] sysfs_read_file+0x83/0x120 [ 780.776002] [] security_file_permission+0xc/0x10 [ 780.776002] [] sysfs_read_file+0x0/0x120 [ 780.776002] [] vfs_read+0x9d/0x160 [ 780.776002] [] sys_read+0x41/0x70 [ 780.776002] [] sysenter_do_call+0x12/0x2f [ 780.776002] [] init_amd+0x640/0x6f0 [ 780.776002] ======================= [ 780.776002] Code: 06 30 83 e8 01 83 c6 01 39 c5 7e ef 89 eb 83 eb 01 78 2a 8d 54 24 22 89 d1 89 54 24 04 01 e9 89 f2 66 90 39 d7 76 06 0f b6 41 ff <88> 02 83 c2 01 83 e9 01 3b 4c 24 04 75 ea 8d 74 1e 01 8b 4c 24 [ 780.776002] EIP: [] number+0x1f8/0x330 SS:ESP 0068:f282bd88 [ 780.776002] ---[ end trace f2f1f5eec0db2fb6 ]--- -- 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/