From: Dave Jones <davej@redhat.com>
To: "Theodore Ts'o" <tytso@mit.edu>, Borislav Petkov <bp@alien8.de>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-ext4@vger.kernel.org
Subject: Re: EXT4 corruption on Linus latest tree.
Date: Wed, 27 Feb 2013 11:56:21 -0500 [thread overview]
Message-ID: <20130227165621.GA8834@redhat.com> (raw)
In-Reply-To: <20130227164417.GF5609@thunk.org>
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
next prev parent reply other threads:[~2013-02-27 16:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-27 15:43 EXT4 corruption on Linus latest tree Dave Jones
2013-02-27 15:55 ` Borislav Petkov
2013-02-27 16:04 ` Dave Jones
2013-02-27 16:32 ` Theodore Ts'o
2013-02-27 16:44 ` Theodore Ts'o
2013-02-27 16:56 ` Dave Jones [this message]
2013-02-27 17:07 ` gnehzuil.liu
2013-02-27 18:03 ` Theodore Ts'o
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