From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767282AbXDTVsp (ORCPT ); Fri, 20 Apr 2007 17:48:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767281AbXDTVsp (ORCPT ); Fri, 20 Apr 2007 17:48:45 -0400 Received: from ns2.suse.de ([195.135.220.15]:45673 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767273AbXDTVsn (ORCPT ); Fri, 20 Apr 2007 17:48:43 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: linux-kernel@vger.kernel.org Subject: BUG: Dentry still in use during umount in 2.6.21-rc5-git6 Date: Fri, 20 Apr 2007 23:48:39 +0200 User-Agent: KMail/1.9.6 Cc: linux-fsdevel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704202348.39357.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org One of my autoboot test clients gave me this during shutdown. It used reiserfs and autofs and NFS heavily. Unmounting file systems BUG: Dentry ffff8100f3693a40{i=2352220,n=xattrs} still in use (1) [unmount of reiserfs sda9] ------------[ cut here ]------------ kernel BUG at /mnt/dm-2/newautoboot/autoboot/lsrc/mainline/linux/fs/dcache.c:623! invalid opcode: 0000 [1] SMP CPU 1 Modules linked in: Pid: 15791, comm: umount Not tainted 2.6.21-rc5-git6 #44 RIP: 0010:[] [] shrink_dcache_for_umount_subtree+0x178/0x250 RSP: 0018:ffff8100f5f67e18 EFLAGS: 00010292 RAX: 0000000000000060 RBX: ffff8100f3693a40 RCX: 0000000000005207 RDX: 00000000ffffffff RSI: 0000000000000046 RDI: 0000000000014661 RBP: ffff8100f6dc9cc0 R08: 00000000000000a0 R09: 00000005ffffffff R10: 0000000000000000 R11: 0000000000000000 R12: ffff8100f3693aa0 R13: 0000000000014661 R14: 000000000050ea70 R15: 000000000050ead0 FS: 00002adc863a86d0(0000) GS:ffff8100f7fdc1c0(0000) knlGS:00000000b7be38d0 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00002adc8626a688 CR3: 00000000f628b000 CR4: 00000000000006e0 Process umount (pid: 15791, threadinfo ffff8100f5f66000, task ffff8100f7a08100) Stack: ffff810004dab218 ffff810004dab000 ffffffff80558860 ffff810004dab000 0000000000000000 ffffffff8028815b ffff810004dab000 ffffffff8027a1a5 0000000000000000 ffff8100f6c50980 ffffffff806c1600 ffffffff8027a2a4 Call Trace: [] shrink_dcache_for_umount+0x2f/0x3d [] generic_shutdown_super+0x19/0xf2 [] kill_block_super+0x26/0x3b [] deactivate_super+0x47/0x60 [] sys_umount+0x1f7/0x22a [] sys_newstat+0x19/0x31 [] system_call+0x7e/0x83 Code: 0f 0b eb fe 48 8b 6b 28 48 39 dd 75 04 31 ed eb 04 f0 ff 4d RIP [] shrink_dcache_for_umount_subtree+0x178/0x250 RSP /etc/init.d/boot.d/K14boot.localfs: line 93: 15791 Segmentation fault umount -avt noproc,nonfs,nonfs4,nosmbfs,nocifs,notmpfs -Andi