Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755557AbYCMUg0 (ORCPT ); Thu, 13 Mar 2008 16:36:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757189AbYCMUgB (ORCPT ); Thu, 13 Mar 2008 16:36:01 -0400 Received: from ns2.suse.de ([195.135.220.15]:51636 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756937AbYCMUf7 (ORCPT ); Thu, 13 Mar 2008 16:35:59 -0400 Date: Thu, 13 Mar 2008 13:27:12 -0700 From: Greg KH To: Dave Jones , Tilman Schmidt , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [2.6.25-rc5-mm1] WARNING: at drivers/base/sys.c:173 Message-ID: <20080313202712.GB11283@suse.de> References: <20080311011434.ad8c8d7d.akpm@linux-foundation.org> <47D87238.8080305@imap.cc> <20080313195656.GA32463@codemonkey.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080313195656.GA32463@codemonkey.org.uk> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3065 Lines: 48 On Thu, Mar 13, 2008 at 03:56:56PM -0400, Dave Jones wrote: > On Thu, Mar 13, 2008 at 01:15:52AM +0100, Tilman Schmidt wrote: > > Am 11.03.2008 09:14 schrieb Andrew Morton: > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc5/2.6.25-rc5-mm1/ > > > > Late during boot, this issues the following warning on my Pentium D, > > apparently when trying to load an appropriate CPU frequency driver: > > > > [ 56.759128] ------------[ cut here ]------------ > > [ 56.765058] WARNING: at drivers/base/sys.c:173 sysdev_driver_register+0x34/0xce() > > [ 56.776027] Modules linked in: acpi_cpufreq(+) speedstep_lib ip6table_filter ip6_tables x_tables ipv6 microcode firmware_class loop osst st sr_mod cdrom pata_acpi bas_gigaset snd_hda_intel gigaset isdn snd_pcm ata_generic<6>ip_tables: (C) 2000-2006 Netfilter Core Team > > [ 56.785293] snd_timer aic7xxx slhc snd ohci1394 rtc_cmos ieee1394 shpchp crc_ccitt iTCO_wdt e1000e rtc_core iTCO_vendor_support soundcore scsi_transport_spi watchdog_core pci_hotplug intel_agp button thermal agpgart rtc_lib processor i2c_i801 watchdog_dev parport_pc i2c_core snd_page_alloc parport pata_marvell sg ext3 jbd mbcache linear sd_mod usbhid hid ff_memless ahci libata scsi_mod ehci_hcd uhci_hcd usbcore dm_snapshot dm_mod > > [ 56.805358] Pid: 2856, comm: modprobe Not tainted 2.6.25-rc5-mm1-testing #1 > > [ 56.810766] [] warn_on_slowpath+0x41/0x6d > > [ 56.820628] [] ? acpi_ns_lookup+0x2b5/0x497 > > [ 56.830455] [] ? acpi_evaluate_object+0x23e/0x249 > > [ 56.840414] [] ? mutex_unlock+0x8/0xa > > [ 56.848380] [] ? acpi_processor_preregister_performance+0x4e6/0x4f1 [processor] > > [ 56.858297] [] ? cpufreq_register_driver+0x42/0xfc > > [ 56.868263] [] sysdev_driver_register+0x34/0xce > > [ 56.877974] [] cpufreq_register_driver+0x80/0xfc > > [ 56.887327] [] acpi_cpufreq_init+0x34/0x3a [acpi_cpufreq] > > [ 56.897290] [] sys_init_module+0x1816/0x1943 > > [ 56.907304] [] ? icmp_checkentry+0x0/0x14 [ip_tables] > > [ 56.917255] [] ? sys_read+0x3b/0x60 > > [ 56.925094] [] sysenter_past_esp+0x6d/0xc5 > > [ 56.935071] ======================= > > [ 56.945016] ---[ end trace 9ade9adb26b6da0a ]--- > > > > Looking back, -rc3-mm1 did that too. > > Mainline (-rc3 through -rc5) never did. > > Let me know if you need more information. > > CCing Dave Jones for cpufreq and Greg KH for sysdev. > > Full dmesg please, with CPU_FREQ_DEBUG=y, and boot with cpufreq.debug=7 > Greg, could that warning be enhanced to print the object->name ? Sure, that would be simple to do. Will change it now, and should show up in the next -mm. thanks, greg k-h -- 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/