From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753793Ab3CKC60 (ORCPT ); Sun, 10 Mar 2013 22:58:26 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:7906 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753533Ab3CKC6Z (ORCPT ); Sun, 10 Mar 2013 22:58:25 -0400 X-IronPort-AV: E=Sophos;i="4.84,820,1355068800"; d="scan'208";a="6847431" Message-ID: <513D4878.6040800@cn.fujitsu.com> Date: Mon, 11 Mar 2013 10:59:04 +0800 From: Gao feng User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Greg KH CC: "linux-kernel@vger.kernel.org" Subject: Re: sysfs: Kernel OOPS when install and remove modules References: <513D3EA9.4010308@cn.fujitsu.com> <20130311025534.GA1185@kroah.com> In-Reply-To: <20130311025534.GA1185@kroah.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:57:05, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:57:05, Serialize complete at 2013/03/11 10:57:05 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013/03/11 10:55, Greg KH wrote: > 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? > Yes,of course,Maybe you can try the shell program, it's easy to reproduce. Thanks > There's nothing I can do with a fedora kernel, sorry. > > greg k-h >