From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756723AbXLJS5b (ORCPT ); Mon, 10 Dec 2007 13:57:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753638AbXLJS5Y (ORCPT ); Mon, 10 Dec 2007 13:57:24 -0500 Received: from mx2.suse.de ([195.135.220.15]:36644 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752361AbXLJS5X (ORCPT ); Mon, 10 Dec 2007 13:57:23 -0500 Date: Mon, 10 Dec 2007 19:57:21 +0100 From: Andi Kleen To: Trond Myklebust Cc: Andi Kleen , linux-kernel@vger.kernel.org, akpm@osdl.org, torvalds@osdl.org Subject: Re: BUG fs/dcache.c:595 in 2.4.24rc3-git3 during NFS umount Message-ID: <20071210185720.GA32466@bingen.suse.de> References: <200712031623.58223.ak@suse.de> <200712081422.30815.ak@suse.de> <1197243901.11792.1.camel@heimdal.trondhjem.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1197243901.11792.1.camel@heimdal.trondhjem.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Hi Andi, > > Does the attached patch fix the Oops? Nope, got that a few hours after boot again: -Andi EXT3 FS on sda1, internal journal EXT3-fs: mounted filesystem with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/dcache.c:595! invalid opcode: 0000 [1] SMP CPU 0 Modules linked in: nfs lockd nfs_acl sunrpc autofs4 iptable_filter ip_tables ip6table_filter ip6_tables x_tables af_packet ipv6 cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq dm_crypt ext2 ext3 jbd mbcache loop dm_mod e1000 shpchp container pci_hotplug button iTCO_wdt rtc_cmos i2c_i801 rtc_core rtc_lib i2c_core sr_mod cdrom iTCO_vendor_support sg floppy ehci_hcd uhci_hcd sd_mod usbcore edd reiserfs fan aic79xx scsi_transport_spi ata_piix ahci libata scsi_mod thermal processor Pid: 30784, comm: umount.nfs Not tainted 2.6.24-rc4-git3-2-vanilla #1 RIP: 0010:[] [] shrink_dcache_for_umount_subtree+0x16/0x241 RSP: 0018:ffff8101530c5e18 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff8101b2873080 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000296 RDI: ffff8101b2873080 RBP: ffff810153dddcb0 R08: ffff8101db008d10 R09: 0000000000000296 R10: ffff8101db008d10 R11: 0000000000000400 R12: ffff810225c27000 R13: 0000000000000000 R14: 0000555555769040 R15: 0000000000000000 FS: 00002b8c13dd16f0(0000) GS:ffffffff8050d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00002ab9197bc315 CR3: 00000001db56c000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process umount.nfs (pid: 30784, threadinfo ffff8101530c4000, task ffff810224c7d040) Stack: 0000000000000296 ffff810225c27000 ffffffff883e7be0 ffff810225c27000 0000000000000000 ffffffff802a6288 ffff810225c27000 ffffffff80297afc ffff8101db008c80 0000000000000018 ffffffff883ffe60 ffffffff80297bfb Call Trace: [] shrink_dcache_for_umount+0x2f/0x3d [] generic_shutdown_super+0x19/0xf1 [] kill_anon_super+0x9/0x35 [] :nfs:nfs_kill_super+0xd/0x16 [] deactivate_super+0x6a/0x83 [] sys_umount+0x23c/0x24d [] d_kill+0x40/0x55 [] dput+0x26/0x115 [] __fput+0x14a/0x179 [] mntput_no_expire+0x1f/0x86 [] filp_close+0x5a/0x61 [] system_call+0x7e/0x83 Code: 0f 0b eb fe 48 c7 c7 80 16 62 80 e8 d7 bc 16 00 48 8b 53 40 RIP [] shrink_dcache_for_umount_subtree+0x16/0x241 RSP