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Re: EXT3-fs error (device ide0(3,9)): ext3_readdir



On Nov 21, 2001  00:14 +0100, Dirk Pritsch wrote:
>
> Nov 20 18:16:31 enterprise kernel: EXT3-fs error (device ide0(3,9)):
> ext3_readdir: bad entry in directory #47390: inode out of bounds -
> offset=0, inode=404363549, rec_len=4096, name_len=23

> On Tue, Nov 20, 2001 at 12:51:48PM -0700, Andreas Dilger wrote:
> > That does seem to be a bad inode number, unless you actually have 400M
> > inodes in this fs.  It seems somewhat strange in hex: 0x181a191d, so
> > not just a single bit error, and name_len=23 is 0x17, so also strange,
> > but rec_len seems OK.
> > 
> > # od -Ax -tx4 -a /tmp/bad_dir
> > (od output here)
> 
> 000000 0000b91e 0201000c 0000002e 0000b91d
>         rs   9 nul nul  ff nul soh stx   . nul nul nul  gs   9 nul nul

Well, the above _should_ look like this:

         181a191d ??171000

according to the above error message, but it seems OK now.

> > # e2fsck -f (device name)
> > (e2fsck output here)
> 
> root enterprise [/3]:/home #e2fsck -f -v /dev/hda9
> e2fsck 1.25 (20-Sep-2001)
> Pass 1: Checking inodes, blocks, and sizes
> Pass 2: Checking directory structure
> Pass 3: Checking directory connectivity
> Pass 4: Checking reference counts
> Pass 5: Checking group summary information
> 
>    55978 inodes used (1%)
>     3107 non-contiguous inodes (5.6%)
>          # of inodes with ind/dind/tind blocks: 2173/11/0
>   244133 blocks used (86%)
>        0 bad blocks
>        0 large files
> 
>    48549 regular files
>     3828 directories
>        0 character device files
>        0 block device files
>        0 fifos
>      428 links
>     3592 symbolic links (3592 fast symbolic links)
>        0 sockets
> --------
>    56397 files
> 
> As you can see, fsck ran without any problems, also mount rw went fine,
> no more problems so far.

Hmm, it is possible that this was some sort of strange memory error,
since nothing bad is on the disk.  I don't think there is much more we
can do with this problem.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/





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