From: Andrew Morton Subject: Re: [NFS] [BUG] 2.6.24-rc3-mm2 kernel bug on nfs & cifs mounted partitions Date: Thu, 29 Nov 2007 01:09:06 -0800 Message-ID: <20071129010906.772e0c15.akpm__30252.8656473898$1196327509$gmane$org@linux-foundation.org> References: <20071128034140.648383f0.akpm@linux-foundation.org> <474E7F9E.9000601@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Jan Kara , Balbir Singh , samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org, nfs@lists.sourceforge.net, Andy Whitcroft To: Kamalesh Babulal Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1IxfPM-0000TE-SE for nfs@lists.sourceforge.net; Thu, 29 Nov 2007 01:10:09 -0800 Received: from smtp2.linux-foundation.org ([207.189.120.14]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1IxfPR-00010N-OT for nfs@lists.sourceforge.net; Thu, 29 Nov 2007 01:10:15 -0800 In-Reply-To: <474E7F9E.9000601@linux.vnet.ibm.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, 29 Nov 2007 14:30:14 +0530 Kamalesh Babulal wrote: > 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 > If it is reproducible can you please try reverting inotify-send-in_attrib-events-when-link-count-changes.patch? ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs _______________________________________________ Please note that nfs@lists.sourceforge.net is being discontinued. Please subscribe to linux-nfs@vger.kernel.org instead. http://vger.kernel.org/vger-lists.html#linux-nfs