From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vegard Nossum Subject: Re: ext4 endless "orphan list check failed!" spew/lockup Date: Tue, 1 Dec 2015 18:30:54 +0100 Message-ID: <565DD94E.60106@oracle.com> References: <565DCDFC.3010300@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org To: "Theodore Ts'o" , Andreas Dilger Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:20388 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755546AbbLARbB (ORCPT ); Tue, 1 Dec 2015 12:31:01 -0500 In-Reply-To: <565DCDFC.3010300@oracle.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 12/01/2015 05:42 PM, Vegard Nossum wrote: > Mounting the attached filesystem image (fuzzed) on latest linus/master > causes an endless stream of the following output on the console: > > EXT4-fs (loop0): Inode 5 (ffff8800153ed720): orphan list check failed! Just wanted to add that on a kernel with linked list debugging I also see an endless stream of the following warning, which could be related? WARNING: CPU: 0 PID: 924 at lib/list_debug.c:36 __list_add+0xf9/0x100() list_add double add: new=00000000dfba0070, prev=00000000dffba970, next=00000000dfba0070. CPU: 0 PID: 924 Comm: mount.exe Tainted: G W 4.4.0-rc3 #1 Stack: df7f59b0 60075642 6071c3ae 00000009 df7f5a30 600bc4fe df7f59c0 603f1e5f df7f5a20 600412cd df7f59e0 6040d859 Call Trace: [<60029f9b>] show_stack+0xdb/0x1a0 [<603f1e5f>] dump_stack+0x2a/0x3b [<600412cd>] warn_slowpath_common+0x9d/0xf0 [<600413f4>] warn_slowpath_fmt+0x94/0xa0 [<6040d859>] __list_add+0xf9/0x100 [<601b28d4>] ext4_fill_super+0x3e04/0x4040 [<601094ce>] mount_bdev+0x1fe/0x230 [<601a7425>] ext4_mount+0x45/0x50 [<60109763>] mount_fs+0x33/0x210 [<60128fc4>] vfs_kern_mount+0x74/0x170 [<6012a900>] do_mount+0x260/0x1010 [<6012bb9b>] SyS_mount+0xab/0x120 Unfortunately I don't have the debug info anymore, but I could try to rebuild and see if it triggers again if necessary. Thanks, Vegard