From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762596AbYDVJEl (ORCPT ); Tue, 22 Apr 2008 05:04:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756872AbYDVJEb (ORCPT ); Tue, 22 Apr 2008 05:04:31 -0400 Received: from mail.gmx.net ([213.165.64.20]:50741 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754392AbYDVJE3 (ORCPT ); Tue, 22 Apr 2008 05:04:29 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1/IhHM49kDIMKLDPLQ5FzklDrXw+xiGbysjDAGl+l jBmp8VUUfYH1Yr Subject: Re: WARNING: at drivers/base/sys.c:183 sysdev_driver_register+0x7a From: Mike Galbraith To: Ingo Molnar Cc: Len Brown , linux-kernel@vger.kernel.org In-Reply-To: <20080422075357.GA15651@elte.hu> References: <20080422075357.GA15651@elte.hu> Content-Type: text/plain Date: Tue, 22 Apr 2008 11:04:26 +0200 Message-Id: <1208855066.4695.17.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.12.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2008-04-22 at 09:53 +0200, Ingo Molnar wrote: > hi Len, > > randconfig boot testing found this new debug warning message in the > syslog: Ditto with Q6600 and v2.6.25-3410-g8075014. [ 28.360968] sysdev: class cpu: driver (ffffffff80542a70) has already been registered to a class, something is wrong, but will forge on! [ 28.379718] ------------[ cut here ]------------ [ 28.387748] WARNING: at drivers/base/sys.c:183 sysdev_driver_register+0x75/0x12c() [ 28.398816] Modules linked in: acpi_cpufreq(+) snd_pcm_oss snd_mixer_oss snd_seq microcode snd_seq_device nls_iso8859_1 nls_cp437 vfat fat fuse loop dm_mod tda1004x saa7134_dvb videobuf_dvb dvb_core tuner tea5767 tda8290 tda827x tuner_xc2028 tda9887 tuner_simple mt20xx tea5761 snd_hda_intel saa7134 firewire_ohci snd_pcm firewire_core compat_ioctl32 crc_itu_t videodev snd_timer v4l1_compat snd_page_alloc snd_hwdep v4l2_common snd videobuf_dma_sg ohci1394 videobuf_core usbhid usb_storage e1000e rtc_cmos ieee1394 rtc_core ir_kbd_i2c hid iTCO_wdt sr_mod soundcore ir_common rtc_lib tveeprom button i2c_i801 serio_raw cdrom intel_agp ff_memless sg i2c_core iTCO_vendor_support ehci_hcd uhci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ahci libata scsi_mod dock thermal processor [ 28.514728] Pid: 2910, comm: modprobe Not tainted 2.6.26-smp #4 [ 28.525112] [ 28.525113] Call Trace: [ 28.537784] [] warn_on_slowpath+0x58/0x6b [ 28.547864] [] ? printk+0x67/0x69 [ 28.557169] [] ? :processor:acpi_processor_preregister_performance+0x40f/0x421 [ 28.570438] [] sysdev_driver_register+0x75/0x12c [ 28.581048] [] cpufreq_register_driver+0x95/0x12c [ 28.591770] [] :acpi_cpufreq:acpi_cpufreq_init+0x3f/0x41 [ 28.603226] [] sys_init_module+0x19db/0x1b08 [ 28.614176] [] ? vfs_read+0xab/0x154 [ 28.624319] [] system_call_after_swapgs+0x7b/0x80 [ 28.624326] [ 28.624328] ---[ end trace a40285f696d317dc ]---