From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Layton Subject: Re: WARNING: at fs/inode.c:280 drop_nlink+0x31/0x33() Date: Wed, 29 Aug 2012 15:16:41 -0700 Message-ID: <20120829151641.20cde4bc@corrin.poochiereds.net> References: <20120829162527.GA3635@NickAndBarb.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Nick Pasich , linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: In-Reply-To: <20120829162527.GA3635-zjzomy8DwGtZujV+MdCcmQ@public.gmane.org> Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On Wed, 29 Aug 2012 09:25:27 -0700 Nick Pasich wrote: > > I'm using kernel 3.5.3 ... > > It happens on 3.5.1 and 3.5.2 also. > > I know that Nick Bowler has already reported this... > > I'm experiencing the same thing. > > It happens when moving files from one directory to another > on the same partition (NFS). > > --( Nick Pasich )-- > > > ############################################################################# > ## > ## Happens when PSTs are moved from one directory to another on the ISCSI ... > ## > ############################################################################# > > Aug 29 08:06:16 localhost kernel: ------------[ cut here ]------------ > Aug 29 08:06:16 localhost kernel: WARNING: at fs/inode.c:280 drop_nlink+0x31/0x33() > Aug 29 08:06:16 localhost kernel: Hardware name: To Be Filled By O.E.M. > Aug 29 08:06:16 localhost kernel: Modules linked in: ecb md4 cifs w83627hf eeprom asb100 hwmon_vid hwmon nfsd exportfs ipv6 psmouse usb_storage io_edgeport usbserial sg r8169 mii evdev intel_agp uhci_hcd i2c_i801 i2c_core shpchp intel_gtt agpgart ehci_hcd microcode serio_raw > Aug 29 08:06:16 localhost kernel: Pid: 31477, comm: rm Tainted: G W 3.5.3 #1 > Aug 29 08:06:16 localhost kernel: Call Trace: > Aug 29 08:06:16 localhost kernel: [] ? drop_nlink+0x31/0x33 > Aug 29 08:06:16 localhost kernel: [] ? warn_slowpath_common+0x7b/0x90 > Aug 29 08:06:16 localhost kernel: [] ? drop_nlink+0x31/0x33 > Aug 29 08:06:16 localhost kernel: [] ? warn_slowpath_null+0x1b/0x1f > Aug 29 08:06:16 localhost kernel: [] ? drop_nlink+0x31/0x33 > Aug 29 08:06:16 localhost kernel: [] ? cifs_unlink+0x134/0x63d [cifs] > Aug 29 08:06:16 localhost kernel: [] ? dput+0x11/0x117 > Aug 29 08:06:16 localhost kernel: [] ? mntput_no_expire+0xf/0xf7 > Aug 29 08:06:16 localhost kernel: [] ? vfs_unlink+0x4e/0xb6 > Aug 29 08:06:16 localhost kernel: [] ? __lookup_hash+0x54/0xac > Aug 29 08:06:16 localhost kernel: [] ? do_unlinkat+0x10a/0x12d > Aug 29 08:06:16 localhost kernel: [] ? sys_ioctl+0x34/0x57 > Aug 29 08:06:16 localhost kernel: [] ? syscall_call+0x7/0xb > Aug 29 08:06:16 localhost kernel: ---[ end trace 756b427e3bd671f9 ]--- > (cc'ing linux-cifs ml) This stack trace comes from cifs, not nfs. Steve French has a patch queued in his tree to silence this warning that I believe he intends to send to Linus for 3.6. Perhaps we should consider backporting it for 3.5.z too? -- Jeff Layton