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SubjectRe: ext2 filesystem corruptions back from dead? 2.4.0-test11
Date
Mohammad A. Haque writes:
> I just got these while doing many compiles on my box ....
>
> Nov 23 00:40:06 viper kernel: EXT2-fs warning (device ide0(3,3)):
> ext2_unlink: Deleting nonexistent file (622295), 0
> Nov 23 00:40:06 viper kernel: = 1
> Nov 23 00:40:06 viper kernel: EXT2-fs error (device ide0(3,3)):
> ext2_free_blocks: Freeing blocks not in datazone - block = 540028982,
> count = 1
> Nov 23 00:40:06 viper kernel: EXT2-fs error (device ide0(3,3)):
> ext2_free_blocks: Freeing blocks not in datazone - block = 540024880,
> count = 1
> Nov 23 00:40:06 viper kernel: EXT2-fs error (device ide0(3,3)):
> ext2_free_blocks: Freeing blocks not in datazone - block = 170926128,
> count = 1

I'm not sure where the nonexistent file comes from. According to the
printf statement, you're trying to unlink a file with no links, so it
would be interesting to see if 622295 is a valid inode number (it
should be, or there would have been more error messages). Doing

dumpe2fs -h /dev/hda3

may help to find out where this bogus inode came from.

These block numbers decode to ASCII data:

540028982 = 0x20303036 = " 336"
540024880 = 0x20302030 = " 3 3"
170926128 = 0x0a302030 = "\n3 3"


There were problems like this quite a while ago (block numbers that are
really ASCII data)... I can't recall what the problem turned out to be
at that time.

I would suggest a full fsck to start with (you have probably already
done so). If you haven't done a full fsck on this filesystem in a long
time, there is a chance the corruption was from the old kernel bug.

Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
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