From: =?iso-8859-1?Q?J=F6rg?= Sommer Subject: Re: ext4 fails on ext2 filesystems Date: Sun, 18 Jan 2009 11:04:59 +0100 Message-ID: <20090118100458.GA22064@alea.gnuu.de> References: <20090118013516.GA4876@alea.gnuu.de> <20090118023841.GD25943@mit.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PNTmBPCT7hxwcZjr" Cc: linux-ext4@vger.kernel.org To: Theodore Tso Return-path: Received: from uucp.gnuu.de ([83.246.114.63]:1553 "EHLO uucp.gnuu.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759410AbZARKKh (ORCPT ); Sun, 18 Jan 2009 05:10:37 -0500 Content-Disposition: inline In-Reply-To: <20090118023841.GD25943@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: --PNTmBPCT7hxwcZjr Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Theodore, Theodore Tso schrieb am Sat 17. Jan, 21:38 (-0500): > On Sun, Jan 18, 2009 at 02:35:16AM +0100, J=C3=B6rg Sommer wrote: > >=20 > > But when remounting the filesystem read/write and changing a file, the > > changes are written to the filesystem, but it's remounted readonly > > immediatly. I've set the mount option remount-ro. > >=20 > > [ 203.082300] EXT4 FS on hda3, no journal > > [ 205.746713] EXT4-fs error (device hda3): ext4_free_data: circular in= direct block detected, inode=3D165056, block=3D184476 > >=20 >=20 > Can you do me a favor? Can you run debugfs /dev/hda3, and then run > the debugfs command: "stat <165056>"? =20 I've reproduced the error, because I've ran a fsck in the meantime: % dmesg |tail G -F EXT [24648.457402] EXT4 FS on hda3, no journal [25253.227881] EXT4-fs error (device hda3): ext4_free_data: circular indire= ct block detected, inode=3D165056, block=3D184476 # debugfs /dev/hda3 <<<$'stat <165056>\ntestb 184476\nquit' debugfs 1.41.3 (12-Oct-2008) debugfs: stat <165056> Inode: 165056 Type: regular Mode: 0644 Flags: 0x0 Generation: 2419652156 Version: 0x00000000:00000001 User: 0 Group: 0 Size: 0 File ACL: 0 Directory ACL: 0 Links: 0 Blockcount: 0 Fragment: Address: 0 Number: 0 Size: 0 ctime: 0x4972fd07:7463285e -- Sun Jan 18 10:57:27 2009 atime: 0x4972fd06:acc79ebb -- Sun Jan 18 10:57:26 2009 mtime: 0x4972fd07:7463285e -- Sun Jan 18 10:57:27 2009 crtime: 0x06fd7249:acc79ebb -- Wed Sep 19 08:52:41 1973 dtime: 0x4972fd07 -- Sun Jan 18 10:57:27 2009 Size of extra inode fields: 28 BLOCKS: debugfs: testb 184476 Block 184476 not in use debugfs: quit Bye, J=C3=B6rg. --=20 Treffen sich zwei Funktionen. Sagt die eine: =E2=80=9EVerschwinde oder ich differenzier' dich!=E2=80=9C Erwidert die andere: =E2=80=9E=C3=84tsch, ich bin exponentiell!=E2=80=9C --PNTmBPCT7hxwcZjr Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature http://en.wikipedia.org/wiki/OpenPGP Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkly/soACgkQwe0mZwH1VIBGdACgxLFjqUQfkhXwF8saGRgokzoY EhUAn22l8iVT01zMkjuBuSoro3y2b1b4 =UdGo -----END PGP SIGNATURE----- --PNTmBPCT7hxwcZjr--