From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932989Ab2DKTPe (ORCPT ); Wed, 11 Apr 2012 15:15:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:20928 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756924Ab2DKTPc (ORCPT ); Wed, 11 Apr 2012 15:15:32 -0400 Date: Wed, 11 Apr 2012 15:15:27 -0400 From: Dave Jones To: borislav.petkov@amd.com Cc: Linux Kernel , Fedora Kernel Team Subject: microcode driver sysfs warning since 3.3 Message-ID: <20120411191527.GA24468@redhat.com> Mail-Followup-To: Dave Jones , borislav.petkov@amd.com, Linux Kernel , Fedora Kernel Team MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We've had a number of users report the following trace recently.. backtrace: :WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0xfa/0x100() :Hardware name: :sysfs group ffffffffa0199130 not found for kobject 'cpu1' :Modules linked in: fuse binfmt_misc lockd sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables arc4 rt73usb rt2x00usb rt2x00lib mac80211 cfg80211 rfkill crc_itu_t snd_intel8x0 snd_ac97_codec edac_core ac97_bus snd_pcm snd_page_alloc edac_mce_amd snd_timer k8temp microcode serio_raw snd soundcore i2c_nforce2 uinput ata_generic pata_acpi sata_nv pata_amd nouveau mxm_wmi wmi video drm_kms_helper ttm drm i2c_core [last unloaded: scsi_wait_scan] :Pid: 1704, comm: pm-suspend Not tainted 3.3.0-0.rc3.git7.2.fc17.x86_64 #1 :Call Trace: : [] warn_slowpath_common+0x7f/0xc0 : [] warn_slowpath_fmt+0x46/0x50 : [] ? sysfs_get_dirent+0x5b/0x80 : [] sysfs_remove_group+0xfa/0x100 : [] mc_cpu_callback+0xda/0x129 [microcode] : [] notifier_call_chain+0x6e/0x110 : [] __raw_notifier_call_chain+0xe/0x10 : [] __cpu_notify+0x20/0x40 : [] _cpu_down+0x84/0x2d0 : [] ? printk+0x51/0x53 : [] disable_nonboot_cpus+0xa4/0x150 : [] suspend_devices_and_enter+0x38d/0x4a0 : [] enter_state+0x196/0x1d0 : [] state_store+0xba/0x130 : [] kobj_attr_store+0xf/0x20 : [] sysfs_write_file+0xe6/0x160 : [] vfs_write+0xaf/0x190 : [] sys_write+0x4d/0x90 : [] system_call_fastpath+0x16/0x1b The latest report was against 3.3.1. https://bugzilla.redhat.com/show_bug.cgi?id=797559 Dave