From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753775Ab3CKCyv (ORCPT ); Sun, 10 Mar 2013 22:54:51 -0400 Received: from mail-ie0-f175.google.com ([209.85.223.175]:59418 "EHLO mail-ie0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753533Ab3CKCyu (ORCPT ); Sun, 10 Mar 2013 22:54:50 -0400 Date: Sun, 10 Mar 2013 19:55:34 -0700 From: Greg KH To: Gao feng Cc: "linux-kernel@vger.kernel.org" Subject: Re: sysfs: Kernel OOPS when install and remove modules Message-ID: <20130311025534.GA1185@kroah.com> References: <513D3EA9.4010308@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <513D3EA9.4010308@cn.fujitsu.com> 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 On Mon, Mar 11, 2013 at 10:17:13AM +0800, Gao feng wrote: > I get the below stack when I execute the shell program > > #!/bin/bash > > while :; > do > modprobe 8139too& > rmmod 8139too& > done > > I trust it is not the problem of 8139too, the other modules have the same problems too. > Is this an already known problem? > > [ 53.328212] 8139too: 8139too Fast Ethernet driver 0.9.28 > [ 53.368029] 8139too: module is already loaded > [ 53.456339] 8139too: 8139too Fast Ethernet driver 0.9.28 > [ 53.510611] 8139too: 8139too Fast Ethernet driver 0.9.28 > [ 53.551713] ------------[ cut here ]------------ > [ 53.551721] WARNING: at include/linux/kref.h:42 kobject_get+0x33/0x40() > [ 53.551722] Hardware name: Bochs > [ 53.551723] Modules linked in: 8139too(+) ebtable_nat ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat > iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter bnep ebtables bluetooth rfkill ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 > cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device > snd_pcm snd_page_alloc snd_timer microcode snd i2c_piix4 virtio_balloon 8139cp soundcore mii i2c_core uinput [last unloaded: 8139too] > [ 53.551757] Pid: 1158, comm: modprobe Not tainted 3.6.10-4.fc18.x86_64 #1 Does this happen on a kernel.org kernel release? There's nothing I can do with a fedora kernel, sorry. greg k-h