Date: Fri, 7 Jan 2000 09:24:48 +0100 (CET) From: Soren Schmidt <sos@freebsd.dk> To: peter.jeremy@alcatel.com.au (Peter Jeremy) Cc: freebsd-current@FreeBSD.ORG Subject: Re: ATA driver problems Message-ID: <200001070824.JAA29548@freebsd.dk> In-Reply-To: <00Jan7.100119est.40323@border.alcanet.com.au> from Peter Jeremy at "Jan 7, 2000 10:01:19 am"
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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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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