From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756878AbYKDRZ3 (ORCPT ); Tue, 4 Nov 2008 12:25:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754506AbYKDRZV (ORCPT ); Tue, 4 Nov 2008 12:25:21 -0500 Received: from smtp-vbr14.xs4all.nl ([194.109.24.34]:3199 "EHLO smtp-vbr14.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754414AbYKDRZU (ORCPT ); Tue, 4 Nov 2008 12:25:20 -0500 Date: Tue, 4 Nov 2008 18:25:17 +0100 From: Folkert van Heusden To: linux-kernel@vger.kernel.org Subject: [2.6.26] WARN warn_on_slowpath Message-ID: <20081104172513.GH23232@vanheusden.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Read-Receipt-To: Reply-By: Wed Nov 5 16:29:01 CET 2008 X-Message-Flag: MultiTail - tail on steroids User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While running my http://vanheusden.com/pyk/ script (which randomly inserts and removes modules) I triggered the folllowing WARNING in a 2.6.26 kernel on an IBM xSeries x3650 (2 quadcores (intel qc x5450) and 10GB ram). [ 2812.832441] sysfs group ffffffffa0191ec0 not found for kobject 'cpufreq' [ 2812.833486] ------------[ cut here ]------------ [ 2812.833556] WARNING: at fs/sysfs/group.c:139 cpufreq_stats_free_table+0x32/0x6e [cpufreq_stats]() [ 2812.837160] Modules linked in: cpufreq_ondemand sg lp cpufreq_userspace acpi_cpufreq pcspkr edac_core ses parport_pc appletalk(-) enclosure loop thermal parport cpufreq_stats(-) video output battery cdrom rng_core qla2xxx ac rfcomm l2cap bluetooth nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs freq_table ipv6 evdev ext3 jbd mbcache dm_log dm_mod usbhid hid ff_memless sd_mod firmware_class scsi_transport_fc ide_pci_generic ide_core ehci_hcd uhci_hcd scsi_tgt aacraid scsi_mod processor thermal_sys [last unloaded: dm_mirror] [ 2812.837160] Pid: 12061, comm: rmmod Not tainted 2.6.26-1-amd64 #1 [ 2812.837160] [ 2812.837160] Call Trace: [ 2812.837160] [] warn_on_slowpath+0x51/0x7a [ 2812.837160] [] default_wake_function+0x0/0xe [ 2812.837160] [] sysfs_find_dirent+0x1b/0x2f [ 2812.837160] [] sysfs_get_dirent+0x51/0x59 [ 2812.837160] [] sysfs_remove_group+0x41/0xc2 [ 2812.837197] [] :cpufreq_stats:cpufreq_stats_free_table+0x32/0x6e [ 2812.837283] [] :cpufreq_stats:cpufreq_stats_exit+0x41/0x58 [ 2812.837355] [] sys_delete_module+0x1a6/0x1fe [ 2812.837494] [] system_call_after_swapgs+0x8a/0x8f [ 2812.837564] [ 2812.837623] ---[ end trace a70f168407a6dea1 ]--- [ 2812.837692] sysfs group ffffffffa0191ec0 not found for kobject 'cpufreq' Folkert van Heusden -- Ever wonder what is out there? Any alien races? Then please support the seti@home project: setiathome.ssl.berkeley.edu ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com