From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932847AbZHDPUy (ORCPT ); Tue, 4 Aug 2009 11:20:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932649AbZHDPUx (ORCPT ); Tue, 4 Aug 2009 11:20:53 -0400 Received: from mail-bw0-f219.google.com ([209.85.218.219]:57101 "EHLO mail-bw0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932624AbZHDPUw (ORCPT ); Tue, 4 Aug 2009 11:20:52 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=jvAkXHkXjA3VvgsdW0loI4WFN45GSwJSDEjdqNcMMJ7cvWH5O4T35d493hDlxLegQq 3Gll3h8kD6AVubH/Ib+YpYL9OY+zofXK/VlxUN8IUa8xHfmxzSItSORYNtWdeqTjsjuv UiGY5Ft96oGQK8FImm0/kS3vGZyLcoNPmF9T4= MIME-Version: 1.0 Date: Tue, 4 Aug 2009 17:12:43 +0200 Message-ID: Subject: Oprofile warnings From: Zdenek Kabelac To: Linux Kernel Mailing List Cc: oprofile-list@lists.sf.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi These two warning messages appeared in my message log while using oprofile. (2.6.31-rc5 and oprofile-0.9.4-13.fc12.x86_64) oprofile: using NMI interrupt. ------------[ cut here ]------------ WARNING: at kernel/trace/ring_buffer.c:2289 rb_advance_reader+0xc1/0xd0() Hardware name: 6464CTO Modules linked in: oprofile fuse ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc sunrpc autofs4 ipv6 nf_conntrack_ftp nf_conntrack binfmt_misc dm_mirror dm_region_hash dm_log dm_mod kvm_intel kvm i915 drm i2c_algo_bit uinput snd_hda_codec_analog arc4 h826d ecb averusbh826d dvb_core cryptomgr videodev aead v4l1_compat v4l2_compat_ioctl32 snd_hda_intel snd_hda_codec snd_seq_oss pcompress crypto_blkcipher crypto_hash crypto_algapi btusb snd_seq_midi_event snd_seq iwl3945 sdhci_pci iwlcore snd_seq_device sdhci bluetooth mac80211 snd_pcm_oss mmc_core cfg80211 snd_mixer_oss snd_pcm snd_timer i2c_i801 snd sr_mod i2c_core psmouse iTCO_wdt video cdrom soundcore usbhid hid evdev thinkpad_acpi led_class serio_raw iTCO_vendor_support intel_agp snd_page_alloc rtc_cmos rtc_core rtc_lib rfkill e1000e backlight output nvram battery button ac uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: microcode] Pid: 10, comm: events/1 Not tainted 2.6.31-rc5-00002-g43e068f #79 Call Trace: [] warn_slowpath_common+0x7b/0xc0 [] warn_slowpath_null+0x14/0x20 [] rb_advance_reader+0xc1/0xd0 [] ring_buffer_consume+0xca/0x170 [] op_cpu_buffer_read_entry+0x2d/0xc0 [oprofile] [] ? sync_buffer+0x1ef/0x520 [oprofile] [] sync_buffer+0x12e/0x520 [oprofile] [] ? worker_thread+0x196/0x3a0 [] ? wq_sync_buffer+0x0/0x90 [oprofile] [] wq_sync_buffer+0x31/0x90 [oprofile] [] worker_thread+0x1e8/0x3a0 [] ? worker_thread+0x196/0x3a0 [] ? thread_return+0x3e/0x703 [] ? autoremove_wake_function+0x0/0x40 [] ? worker_thread+0x0/0x3a0 [] kthread+0x9e/0xb0 [] child_rip+0xa/0x20 [] ? restore_args+0x0/0x30 [] ? kthread+0x0/0xb0 [] ? child_rip+0x0/0x20 ---[ end trace 6ac8f069d92dd483 ]--- ------------[ cut here ]------------ WARNING: at kernel/trace/ring_buffer.c:2289 rb_advance_reader+0xc1/0xd0() Hardware name: 6464CTO Modules linked in: oprofile fuse ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc sunrpc autofs4 ipv6 nf_conntrack_ftp nf_conntrack binfmt_misc dm_mirror dm_region_hash dm_log dm_mod kvm_intel kvm i915 drm i2c_algo_bit uinput snd_hda_codec_analog arc4 h826d ecb averusbh826d dvb_core cryptomgr videodev aead v4l1_compat v4l2_compat_ioctl32 snd_hda_intel snd_hda_codec snd_seq_oss pcompress crypto_blkcipher crypto_hash crypto_algapi btusb snd_seq_midi_event snd_seq iwl3945 sdhci_pci iwlcore snd_seq_device sdhci bluetooth mac80211 snd_pcm_oss mmc_core cfg80211 snd_mixer_oss snd_pcm snd_timer i2c_i801 snd sr_mod i2c_core psmouse iTCO_wdt video cdrom soundcore usbhid hid evdev thinkpad_acpi led_class serio_raw iTCO_vendor_support intel_agp snd_page_alloc rtc_cmos rtc_core rtc_lib rfkill e1000e backlight output nvram battery button ac uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: microcode] Pid: 9, comm: events/0 Tainted: G W 2.6.31-rc5-00002-g43e068f #79 Call Trace: [] warn_slowpath_common+0x7b/0xc0 [] warn_slowpath_null+0x14/0x20 [] rb_advance_reader+0xc1/0xd0 [] ring_buffer_consume+0xca/0x170 [] op_cpu_buffer_read_entry+0x2d/0xc0 [oprofile] [] sync_buffer+0x12e/0x520 [oprofile] [] ? worker_thread+0x196/0x3a0 [] ? wq_sync_buffer+0x0/0x90 [oprofile] [] wq_sync_buffer+0x31/0x90 [oprofile] [] worker_thread+0x1e8/0x3a0 [] ? worker_thread+0x196/0x3a0 [] ? thread_return+0x3e/0x703 [] ? autoremove_wake_function+0x0/0x40 [] ? worker_thread+0x0/0x3a0 [] kthread+0x9e/0xb0 [] child_rip+0xa/0x20 [] ? restore_args+0x0/0x30 [] ? kthread+0x0/0xb0 [] ? child_rip+0x0/0x20 ---[ end trace 6ac8f069d92dd484 ]--- Zdenek