Re: ext2_free_blocks (fwd)

From: Manfred Spraul (manfreds@colorfullife.com)
Date: Tue Jan 18 2000 - 13:44:20 EST

Andrea Arcangeli wrote:
>
> On Tue, 18 Jan 2000, Marc Peiser wrote:
> > I ran fsck -f /dev/sda3 but it
> >didn't find any errors.
> [...]
> >Jan 10 02:33:36 eric kernel: EXT2-fs error (device sd(8,3)): A
> >ext2_free_blocks: Freeing blocks not in datazone - block = 1918987635,
> >count = 1
>
> That means somebody tried to mark a metadata block as free. ext2 prevents
> this and printk a warning. It means some severe fs corruption is going on.
>

I receive a similar bug report a few weeks ago:

* kernel 2.2.13, 108 GB md disk array, probably scsi

* ext2 error messages about broken directory entries.
> Oct 21 23:13:04 news2 kernel: EXT2-fs error (device md(9,3)):
> ext2_add_entry: bad entry in directory #10022921: directory entry across
> blocks - offset=7152, inode=843004500, rec_len=17248, name_len=45

* debugfs and fsck said that the directory is ok, ie. we had a data
corruption during read, the disk was ok. 

--
	Manfred

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