From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: WARNING: at fs/dcache.c:1359 d_set_d_op [was: mmotm 2011-01-06-15-41 uploaded] Date: Thu, 13 Jan 2011 10:52:22 +0100 Message-ID: <4D2ECB56.4070802@gmail.com> References: <201101070014.p070Egpo023959@imap1.linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Cc: akpm@linux-foundation.org, mm-commits@vger.kernel.org, linux-fsdevel@vger.kernel.org, "H. Peter Anvin" , autofs@linux.kernel.org, npiggin@kernel.dk To: linux-kernel@vger.kernel.org Return-path: In-Reply-To: <201101070014.p070Egpo023959@imap1.linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On 01/07/2011 12:41 AM, akpm@linux-foundation.org wrote: > The mm-of-the-moment snapshot 2011-01-06-15-41 has been uploaded to Hi, after some uptime and several suspend/resume cycles, I got: WARNING: at fs/dcache.c:1359 d_set_d_op+0x82/0xb0() Hardware name: To Be Filled By O.E.M. Modules linked in: dvb_usb_af9015 tda18271 af9013 dvb_usb dvb_core Pid: 3474, comm: automount Tainted: G W 2.6.37-mm1_64+ #1344 Call Trace: [] ? warn_slowpath_common+0x7a/0xb0 [] ? warn_slowpath_null+0x15/0x20 [] ? d_set_d_op+0x82/0xb0 [] ? autofs4_dir_mkdir+0x169/0x180 [] ? vfs_mkdir+0x78/0xa0 [] ? sys_mkdirat+0xf6/0x110 [] ? sys_mkdir+0x13/0x20 [] ? system_call_fastpath+0x16/0x1b I changed those BUG_ONs to WARN_ONs intentionally because I had problems with that previously -- I had to: dentry->d_flags &= ~(DCACHE_OP_HASH | DCACHE_OP_COMPARE | DCACHE_OP_REVALIDATE | DCACHE_OP_REVALIDATE_RCU | DCACHE_OP_DELETE); in d_set_d_op to not oops when calling NULLish op->d_delete later. The "Tainted: G W" is caused by: https://lkml.org/lkml/2011/1/10/63 regards, -- js