From: "Jörg Sommer" <joerg@alea.gnuu.de>
To: Theodore Tso <tytso@MIT.EDU>
Cc: linux-ext4@vger.kernel.org
Subject: Re: ext4 fails on ext2 filesystems
Date: Sun, 18 Jan 2009 11:04:59 +0100 [thread overview]
Message-ID: <20090118100458.GA22064@alea.gnuu.de> (raw)
In-Reply-To: <20090118023841.GD25943@mit.edu>
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Hi Theodore,
Theodore Tso schrieb am Sat 17. Jan, 21:38 (-0500):
> On Sun, Jan 18, 2009 at 02:35:16AM +0100, Jörg Sommer wrote:
> >
> > 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.
> >
> > [ 203.082300] EXT4 FS on hda3, no journal
> > [ 205.746713] EXT4-fs error (device hda3): ext4_free_data: circular indirect block detected, inode=165056, block=184476
> >
>
> Can you do me a favor? Can you run debugfs /dev/hda3, and then run
> the debugfs command: "stat <165056>"?
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 indirect block detected, inode=165056, block=184476
# 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, Jörg.
--
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Sagt die eine: „Verschwinde oder ich differenzier' dich!“
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next prev parent reply other threads:[~2009-01-18 10:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-18 1:35 ext4 fails on ext2 filesystems Jörg Sommer
2009-01-18 2:38 ` Theodore Tso
2009-01-18 10:04 ` Jörg Sommer [this message]
2009-01-20 14:51 ` Theodore Tso
2009-01-21 18:45 ` Jörg Sommer
2009-01-21 19:58 ` Theodore Tso
2009-01-19 23:30 ` Andreas Dilger
2009-01-20 13:56 ` Jörg Sommer
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