From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753678Ab2LREQK (ORCPT ); Mon, 17 Dec 2012 23:16:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:14103 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753214Ab2LREQI (ORCPT ); Mon, 17 Dec 2012 23:16:08 -0500 Date: Mon, 17 Dec 2012 22:20:28 -0500 From: Dave Jones To: Linux Kernel Cc: Andreas Herrmann Subject: mutex warning in intel_cacheinfo.c:cpu_list_show Message-ID: <20121218032028.GA5896@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel , Andreas Herrmann 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 (At least I think that's where 'cpu_list_show' comes from... those preprocessor tricks confuse ctags) Just started seeing this today.. (fwiw, cpu is a Phenom(tm) 9750) Dave WARNING: at kernel/mutex.c:198 mutex_lock_nested+0x39c/0x3b0() Hardware name: GA-MA78GM-S2H Modules linked in: hidp fuse l2tp_ppp l2tp_core bnep rfcomm binfmt_misc phonet rose af_key nfnetlink caif_socket caif ipt_ULOG af_rxrpc netrom appletalk ax25 can ipx p8023 rds psnap nfc p8022 atm scsi_transport_iscsi pppoe pppox ppp_generic llc2 irda decnet slhc llc x25 crc_ccitt nfsv3 nfs_acl nfs fscache lockd sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack ip6table_filter ip6_tables snd_hda_codec_realtek microcode snd_hda_intel btusb snd_hda_codec bluetooth serio_raw usb_debug snd_pcm pcspkr snd_page_alloc snd_timer snd edac_core soundcore r8169 mii vhost_net tun macvtap macvlan kvm_amd kvm Pid: 667, comm: trinity-child2 Not tainted 3.7.0+ #25 Call Trace: [] warn_slowpath_common+0x7f/0xc0 [] warn_slowpath_null+0x1a/0x20 [] mutex_lock_nested+0x39c/0x3b0 [] ? cpu_list_show+0x35/0x70 [] ? cpu_list_show+0x35/0x70 [] ? sysfs_read_file+0x8b/0x1c0 [] cpu_list_show+0x35/0x70 [] dev_attr_show+0x20/0x60 [] ? sysfs_read_file+0x8b/0x1c0 [] sysfs_read_file+0xb7/0x1c0 [] vfs_read+0xac/0x180 [] sys_pread64+0x9a/0xb0 [] system_call_fastpath+0x16/0x1b [] ? ack_flush+0x1/0x10 [kvm] ---[ end trace 6d0328611cb687b5 ]---