It seems Peter Jeremy wrote:
> On 2000-Jan-06 10:38:51 +1100, I wrote:
> ["dd if=/dev/rad0c of=/dev/null bs=64k" dies with an error]
>
> I did some poking around and found that there are two bugs which
> conspire together to cause this:
> 1) diskstrategy() does not detect dscheck() returning EOF, instead
> passing a zero-length request to the underlying driver.
> 2) The ata-disk driver doesn't check for (and ignore) zero-length
> requests, instead passing them onto the disk.
>
> See kern/15956 for details and patches.
Thanks! I'll take a look at it!
-Søren
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