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SubjectRe: Bug#10147: kernel `bit already cleared' message (fwd)
On Tue, 27 May 1997, Herbert Xu wrote:

> Package: kernel
> Version: 2.0.29 (vanilla)
>
> I'm getting a fair number of messages like this one:
>
> May 26 17:57:49 chiark kernel: EXT2-fs warning (device 03:01): ext2_free_blocks: bit already cleared for block 438785
>
> There are no other messages which might indicate disk failure, &c., so
> I conjecture a kernel bug which has been triggered by a change in use
> patterns.

I get these somewhat frequently on one of my systems as well. Usually,
it's bogus...i.e. umount and e2fsck, and nothing is found.

EXT2-fs warning (device 08:16): ext2_free_blocks: bit already cleared for
block 404354

kernel=2.0.30, device = IBM DORS 2gb SCSI disk on an NCR 810 using the BSD
ported ncr8xx driver. I'm considering trying to swap the NCR out for a
Buslogic to see what happens.

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