Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761027AbXK2JAj (ORCPT ); Thu, 29 Nov 2007 04:00:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754503AbXK2JAb (ORCPT ); Thu, 29 Nov 2007 04:00:31 -0500 Received: from e28smtp01.in.ibm.com ([59.145.155.1]:56624 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754268AbXK2JAa (ORCPT ); Thu, 29 Nov 2007 04:00:30 -0500 Message-ID: <474E7F9E.9000601@linux.vnet.ibm.com> Date: Thu, 29 Nov 2007 14:30:14 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14pre (X11/20071023) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, samba-technical@lists.samba.org, nfs@lists.sourceforge.net, linuxppc-dev@ozlabs.org, Andy Whitcroft , Balbir Singh Subject: [BUG] 2.6.24-rc3-mm2 kernel bug on nfs & cifs mounted partitions References: <20071128034140.648383f0.akpm@linux-foundation.org> In-Reply-To: <20071128034140.648383f0.akpm@linux-foundation.org> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2623 Lines: 72 Hi Andrew, While running file system stress on nfs and cifs mounted partitions, the machine drops to xmon 1:mon> e cpu 0x1: Vector: 300 (Data Access) at [c000000080a9f880] pc: c0000000001392c8: .inotify_inode_queue_event+0x50/0x158 lr: c0000000001074d0: .vfs_link+0x204/0x298 sp: c000000080a9fb00 msr: 8000000000009032 dar: 280 dsisr: 40010000 current = 0xc0000000c8e6f670 paca = 0xc000000000512c00 pid = 2848, comm = fsstress 1:mon> t [c000000080a9fbd0] c0000000001074d0 .vfs_link+0x204/0x298 [c000000080a9fc70] c00000000010b6e0 .sys_linkat+0x134/0x1b4 [c000000080a9fe30] c00000000000872c syscall_exit+0x0/0x40 --- Exception: c00 (System Call) at 000000000ff1bdfc SP (ffeaed10) is in userspace 1:mon> r R00 = c0000000001074d0 R16 = 0000000000000000 R01 = c000000080a9fb00 R17 = 0000000000000000 R02 = c00000000060c380 R18 = 0000000000000000 R03 = 0000000000000000 R19 = 0000000000000000 R04 = 0000000000000004 R20 = 0000000000000000 R05 = 0000000000000000 R21 = 0000000000000000 R06 = 0000000000000000 R22 = 0000000000000000 R07 = 0000000000000000 R23 = 0000000000000004 R08 = 0000000000000000 R24 = 0000000000000280 R09 = 0000000000000000 R25 = fffffffffffff000 R10 = 0000000000000001 R26 = c000000082827790 R11 = c0000000003963e8 R27 = c0000000828275a0 R12 = d000000000deec78 R28 = 0000000000000000 R13 = c000000000512c00 R29 = c00000007b18fcf0 R14 = 0000000000000000 R30 = c0000000005bc088 R15 = 0000000000000000 R31 = 0000000000000000 pc = c0000000001392c8 .inotify_inode_queue_event+0x50/0x158 lr = c0000000001074d0 .vfs_link+0x204/0x298 msr = 8000000000009032 cr = 24000882 ctr = c0000000003963e8 xer = 0000000000000000 trap = 300 dar = 0000000000000280 dsisr = 40010000 The gdb output shows 0xc0000000001076d4 is in vfs_symlink (include/linux/fsnotify.h:108). 103 * fsnotify_create - 'name' was linked in 104 */ 105 static inline void fsnotify_create(struct inode *inode, struct dentry *dentry) 106 { 107 inode_dir_notify(inode, DN_CREATE); 108 inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name, 109 dentry->d_inode); 110 audit_inode_child(dentry->d_name.name, dentry, inode); 111 } 112 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/