Date: Tue, 9 Dec 2003 21:08:00 +0100 (CET) From: Soren Schmidt <sos@spider.deepcore.dk> To: Lefteris Chatzibarbas <lefcha@hellug.gr> Cc: Scott Long <scottl@FreeBSD.ORG> Subject: Re: burncd(8) CD-RW blanking problem Message-ID: <200312092008.hB9K80SK092613@spider.deepcore.dk> In-Reply-To: <20031209143426.GA19683@igloo.linux.gr>
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It seems Lefteris Chatzibarbas wrote:
> > I'm seeing this too. What's odd is that my cd drive is reporting back
> > incorrect sense information; the valid bit is not set, the asc/ascq is
> > suspect (4/8), and the sense key specific data is all 0. Since other
> > fields in the sense data are reasonable, it's not as if no sense data is
> > being returned at all. So it looks like the CDRIOGETPROGRESS ioctl
> > handler is doing the right thing, but the cd drive is not. Maybe the
> > driver is doing something wrong when it issues the erase command, but
> > I can't convince myself that that is likely.
>
> The attached patch seems to correct the problem (at least for me). It
> is similar to what was done in revision 1.137 of sys/dev/ata/atapi-cd.c
> (this has been changed since revision 1.138).
Uh oh, that code breaks on lots of newer drives, especially DVD writers
and drives of SONY origin. There was a reason that code was removed :)
-Søren
.. but it works under windows!!
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