From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753352Ab3AGJkS (ORCPT ); Mon, 7 Jan 2013 04:40:18 -0500 Received: from cantor2.suse.de ([195.135.220.15]:48592 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751515Ab3AGJkO (ORCPT ); Mon, 7 Jan 2013 04:40:14 -0500 Message-ID: <50EA97F5.5050801@suse.com> Date: Mon, 07 Jan 2013 15:10:05 +0530 From: Suresh Jayaraman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: jongman.heo@samsung.com Cc: "linux-kernel@vger.kernel.org" , linux-cifs Subject: Re: [3.8-rc2] stuck at reading CIFS mounted directory References: <1839076.322591357261060518.JavaMail.weblogic@epml11> In-Reply-To: <1839076.322591357261060518.JavaMail.weblogic@epml11> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (Cc linux-cifs@vger.kernel.org) On 01/04/2013 06:27 AM, Jongman Heo wrote: > Hi, all, > > In 3.8-rc2, access to CIFS-mounted directory (df, ls, or similar) got stuck with following message. > > It's mounted with... > mount -t cifs ///Share /mnt/window -o user=jongman.heo,password=xxxx,sec=ntlm > > > [16655.288591] INFO: task bash:4042 blocked for more than 120 seconds. > [16655.318117] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > [16655.318123] bash D dada9c5c 0 4042 1 0x00000004 > [16655.318132] dada9cd0 00000082 00000282 dada9c5c c09022c6 dada9c7c c044d316 c0c7c300 > [16655.318139] d6db3a7b 00000f09 c0c7c300 00000000 00000f09 f3b7b240 c04401ba 00000000 > [16655.318145] c0b9e0d8 f598e960 00000000 00000303 dada9c98 dada9c98 f598e960 00000006 > [16655.318150] Call Trace: > [16655.342785] [] ? _raw_spin_unlock_irqrestore+0xf/0x11 > [16655.351554] [] ? __wake_up+0x3b/0x42 > [16655.358802] [] ? call_usermodehelper_fns+0x148/0x152 > [16655.358840] [] ? __request_module+0x15e/0x1a1 > [16655.358842] [] ? call_usermodehelper_freeinfo+0x19/0x19 > [16655.358845] [] schedule+0x51/0x53 > [16655.358847] [] schedule_preempt_disabled+0x8/0xa > [16655.384345] [] __mutex_lock_common+0xd6/0x123 > [16655.384430] [] __mutex_lock_slowpath+0x20/0x22 > [16655.384436] [] ? mutex_lock+0x18/0x25 > [16655.384441] [] mutex_lock+0x18/0x25 > [16655.384892] [] cifs_reconnect_tcon+0x170/0x252 > [16655.384953] [] ? should_resched+0x8/0x22 > [16655.384963] [] ? _cond_resched+0x8/0x1c > [16655.384969] [] smb_init+0x1d/0x6d > [16655.385023] [] CIFSSMBQPathInfo+0x4e/0x1e4 > [16655.385071] [] cifs_query_path_info+0x38/0x73 > [16655.385080] [] cifs_get_inode_info+0x122/0x3ac > [16655.385548] [] ? walk_component+0x14a/0x17a > [16655.385570] [] ? build_path_from_dentry+0xa3/0x19e > [16655.385585] [] ? build_path_from_dentry+0xa3/0x19e > [16655.385596] [] ? build_path_from_dentry+0xa3/0x19e > [16655.385601] [] ? getname_flags+0x59/0xeb > [16655.385606] [] ? _raw_spin_lock+0x8/0xa > [16655.385613] [] cifs_revalidate_dentry_attr+0x120/0x168 > [16655.385618] [] cifs_getattr+0x5e/0xe3 > [16655.385625] [] vfs_getattr+0x37/0x4e > [16655.385631] [] ? cifs_revalidate_dentry+0x20/0x20 > [16655.385639] [] vfs_fstatat+0x59/0x8a > [16655.385645] [] vfs_stat+0x19/0x1b > [16655.385652] [] sys_stat64+0x11/0x22 > [16655.385659] [] ? should_resched+0x8/0x22 > [16655.385668] [] ? _cond_resched+0x8/0x1c > [16655.385674] [] ? task_work_run+0x6d/0x79 > [16655.385825] [] ? __do_page_fault+0x33b/0x33b > [16655.385834] [] ? do_page_fault+0x8/0xa > [16655.385840] [] sysenter_do_call+0x12/0x2c > > N�����r��y���b�X��ǧv�^�)޺{.n�+����{����zX����ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z��w���?����&�)ߢf��^jǫy�m��@A�a��� 0��h��i > -- Suresh Jayaraman