Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761382AbXHBV1V (ORCPT ); Thu, 2 Aug 2007 17:27:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757417AbXHBV1I (ORCPT ); Thu, 2 Aug 2007 17:27:08 -0400 Received: from wa-out-1112.google.com ([209.85.146.178]:37590 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758144AbXHBV1F (ORCPT ); Thu, 2 Aug 2007 17:27:05 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=fd31L5zk5sZ8N0yvzxUi+Sl1HQtBkBMi+T9PIiuG2m5CvBhv/yaeejfNC6WjkJDEuV+gpICeOYC/S5RE4FXaMd4kP0Hx6vjunmxLikHwQoPyyPkYR4oWkxGD6lps/x7h0AqR6Mr/X4rwngFPhuAIfP1eD7NuXeygiVuP18gVwT8= Message-ID: <92cbf19b0708021427l7c88c642g3901e393ac2b90b9@mail.gmail.com> Date: Thu, 2 Aug 2007 14:27:04 -0700 From: "Chakri n" To: nfs@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: OOPS in shrink_dcache_for_umount MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2623 Lines: 66 Hi, We are seeing this problem while unmounting file systems. It happens once in a while. I am able to grab the trace and core from linux-2.6.18-1.8.el5, but I have observed the same problem with linux-2.6.20.1 kernel. Has this problem fixed in recent kernel? BUG: Dentry f7498f70{i=12803e,n=client72} still in use (1) [unmount of nfs 0:18] ------------[ cut here ]------------ kernel BUG at fs/dcache.c:615! invalid opcode: 0000 [#1] SMP last sysfs file: /block/ram0/range Modules linked in: nfs fscache nfsd exportfs lockd nfs_acl ipmi_msghandler kazprocs(U) sunrpc ipv6 dm_mirror dm_mod video sbs i2c_ec button battery asus_acpi ac lp floppy snd_intel8x0 snd_ac97_cod ec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss sn d_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc ide_cd e100 parport_pc i2c_i801 mii par port pcspkr i2c_core cdrom serio_raw ata_piix libata sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uh ci_hcd CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 (2.6.18-8.el5 #1) EIP is at shrink_dcache_for_umount_subtree+0x133/0x1c1 eax: 00000054 ebx: f7498f70 ecx: c0621b24 edx: de121ee8 esi: 00000001 edi: f7835740 ebp: 0012803e esp: de121ee4 ds: 007b es: 007b ss: 0068 Process umount.nfs (pid: 29559, ti=de121000 task=ebbe5000 task.ti=de121000) Stack: c0621b24 f7498f70 0012803e f7498fd4 00000001 f8d55765 f7835740 f7835600 f8d67980 00000000 00000000 c047ec5d f7835600 c0470153 00000018 f8d67960 c0470248 e1b0d380 f8d3a175 f7835600 c04702d7 f74629c0 f7835600 c0483165 Call Trace: [] shrink_dcache_for_umount+0x2e/0x3a [] generic_shutdown_super+0x16/0xd5 [] kill_anon_super+0x9/0x2f [] nfs_kill_super+0xc/0x14 [nfs] [] deactivate_super+0x52/0x65 [] sys_umount+0x1f0/0x218 [] release_sock+0xc/0x91 [] do_page_fault+0x20a/0x4b8 [] do_page_fault+0x274/0x4b8 [] sys_oldumount+0xb/0xe [] syscall_call+0x7/0xb ======================= Code: ed 8b 53 0c 8b 33 8b 4b 24 8d b8 40 01 00 00 8b 40 1c 85 d2 8b 00 74 03 8b 6a 20 57 50 56 51 55 53 68 24 1b 62 c0 e8 c5 5c fa ff <0f> 0b 67 02 18 1b 62 c0 83 c4 1c 8b 73 18 39 de 75 04 31 f6 eb EIP: [] shrink_dcache_for_umount_subtree+0x133/0x1c1 SS:ESP 0068:de121ee4 Thanks --Chakri - 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/