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SubjectRe: 2.5.8 final - another data point
J Sloan wrote:
>
> FWIW -
>
> One other observation was the numerous
> syslog entries generated during the test,
> which were as follows:
>
> Apr 14 20:40:35 neo kernel: invalidate: busy buffer
> Apr 14 20:41:15 neo last message repeated 72 times
> Apr 14 20:44:41 neo last message repeated 36 times
> Apr 14 20:45:24 neo last message repeated 47 times
>

If that is happening during the dbench run, then something
is wrong.

What filesystem and I/O drivers are you using? LVM?
RAID?

Please replace that line in fs:buffer.c:invalidate_bdev()
with a BUG(), or show_stack(0), send the ksymoops output.

Thanks.

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