From: Dave Jones Subject: Re: EXT4 corruption on Linus latest tree. Date: Wed, 27 Feb 2013 11:56:21 -0500 Message-ID: <20130227165621.GA8834@redhat.com> References: <20130227154311.GA12450@redhat.com> <20130227155539.GA2638@pd.tnic> <20130227160446.GA4792@redhat.com> <20130227164417.GF5609@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: "Theodore Ts'o" , Borislav Petkov , Linux Kernel , linux-ext4@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:56498 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760416Ab3B0Q4l (ORCPT ); Wed, 27 Feb 2013 11:56:41 -0500 Content-Disposition: inline In-Reply-To: <20130227164417.GF5609@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Feb 27, 2013 at 11:44:17AM -0500, Theodore Ts'o wrote: > On Wed, Feb 27, 2013 at 11:04:46AM -0500, Dave Jones wrote: > > > > EXT4-fs error (device sdb1): htree_dirblock_to_tree:919: inode #172235804: block 152052301: comm ls: bad entry in directory: rec_len is smaller than minimal - offset=0(0), inode=0, rec_len=0, name_len=0 > > > > Yeah, looks similar. The missing files/dirs reappeared when I > > booted an older kernel, so it looks like the corruption doesn't > > hit the disk. Fsck (1.42.5) didn't find anything either. > > I suspect I see the problem... can you send me the results of > > debugfs -R "stat <172235804>" /dev/sdb1 > > to confirm? debugfs 1.42.5 (29-Jul-2012) Inode: 172235804 Type: directory Mode: 0775 Flags: 0x80000 Generation: 1174354732 Version: 0x00000000:00000055 User: 1000 Group: 1000 Size: 4096 File ACL: 0 Directory ACL: 0 Links: 24 Blockcount: 8 Fragment: Address: 0 Number: 0 Size: 0 ctime: 0x512d0fdc:71fe3000 -- Tue Feb 26 14:41:16 2013 atime: 0x512d106e:5a143300 -- Tue Feb 26 14:43:42 2013 mtime: 0x512d0fdc:71fe3000 -- Tue Feb 26 14:41:16 2013 crtime: 0x50e76c35:1d69aad8 -- Fri Jan 4 18:56:37 2013 Size of extra inode fields: 28 Extended attributes stored in inode body: selinux = "unconfined_u:object_r:file_t:s0\000" (32) EXTENTS: (0):688923213 That took about 2 minutes to run btw, expected ? Dave