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Date:      Thu, 12 Nov 1998 17:10:15 -0600
From:      "Ade Lovett" <ade@supernews.net>
To:        <current@FreeBSD.ORG>
Subject:   ATAPI CD/R driver and Mitsumi CR-2600TE
Message-ID:  <002301be0e91$9b948040$08f19b26@xanadu.lovett.com>

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Hi all,

I recently acquired (at no cost) a Mitsumi CR-2600TE cd burner, and
plugged it in to my 3.0-CURRENT system to try out the acd driver.

Unfortunately, there appears to be something of a problem..  when the
burncd script gets around to doing the dd(1) it completely fails with

	acd0: rezero failed

Cranking up the atapi debug code, the failure appears as follows:

  atapi1.1: req w 1-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0 len=0
  atapi1.1: start
  atapi1.1:	intr ireason=0x1, len=0, status=58<ready,opdone,drq>, error=0
  atapi1.1: send cmd REZERO_UNIT 1-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0
  atapi1.1: intr ireason=0x3, len=0, status=51<ready,opdone,check>, error=50
  atapi1.1: illegal request
  acd0: rezero failed

this little lot then repeats itself (so it looks like the driver is trying
two REZERO_UNIT commands), before it finally gives up.

I've verified that the unit works on the same machine under Win98 with the
supplied Adaptec burning software, and I've tried multiple blank disks
from different vendors, so it's unlikely to be that.

Any suggestions on making this puppy work?  Or should I just throw it away?

-aDe

--
Ade Lovett, Supernews Inc., San Jose, CA.
ade@supernews.net    http://www.supernews.com


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