Re: nilfs_check_page: bad entry in directory #37945

[Ryusuke Konishi <ryusuke-sG5X7nlA6pw@public.gmane.org>]

On Tue, 17 Mar 2009 00:09:05 +0900 (JST), Ryusuke Konishi wrote:
> Hi David,
> On Mon, 16 Mar 2009 11:18:13 +0100, David Arendt wrote:
> > Hi,
> > 
> > this morning I discovered this in /var/log/messages
> > 
> > Mar 16 10:59:00 server NILFS error (device sda3): nilfs_check_page: bad
> > entry in directory #37945: unaligned directory entry - offset=0,
> > inode=1919250021, rec_len=14411, name_len=67
> >
> > I am using nilfs 2.0.10.
> > 
> > What should I do about this error ? Should I ignore it or should special
> > care be taken about it ?
> > 
> 
> offset=0 --> first entry of the directory.
> inode=1919250021 --> unnatural inode number. seems invalid.
> rec_len=14411 --> invalid.
> 
> So, this directory is completely broken. Maybe b-tree of the directory
> is pointing to a wrong block.
> 
> Is this reproducible by umount/mount and ls -R ?

The directory's inode number was shown in the log!
You can find it by:

 $ find /mount-dir -inum 37945 -ls


Regards,
Ryusuke Konishi