I had this problem, and found that (surprisingly enough), if I made a quick
symlinked /dev/su0-3-0 -> /dev/rcd0d, it all worked for me.

On 915116454 seconds since the Beginning of the UNIX epoch
Mark Andres wrote:
>
>Hi,
>
>I am using cdrecord version 1.6.1 built from the packages on NetBSD 1.3.
>(I know I should upgrade to 1.3.x.) I am using a Yamaha CRW4260 CDR drive
>(it is listed as being capable with cdrecord) and an Adaptec 2940UW SCSI
>card. On boot-up, the SCSI card and CDR drive seem to be recognized OK.
>
>ahc1 at pci0 dev 10 function 0
>ahc1: interrupting at irq 9
>ahc1: aic7880 Wide Channel, SCSI Id=3D7, 16 SCBs
>scsibus0 at ahc1 channel 0: 16 targets
>cd0 at scsibus0 targ 3 lun 0: <YAMAHA, CRW4260, 1.0h> SCSI2 5/cdrom
>removable
>
>I was able to create an image file using mkisofs without any problems.
>However, when I try to write to a CD, I get the following message:
>
>Cdrecord release 1.6.1 Copyright (C) 1995-1998 J=F6rg Schilling
>TOC Type: 1 =3D CD-ROM
>scsidev: '0,3,0'
>scsibus: 0 target: 3 lun: 0
>cdrecord: No such file or directory. Cannot open SCSI driver.
>
>Any help, advice or tips would be greatly appreciated.
>
>   Mark Andres               E-mail: mark@giganet.net
>          Running NetBSD, 100% Microsoft Free!
>   Me & NetBSD: http://www2.giganet.net/~mark/NetBSD/
>
>
>

 == Roland Dowdeswell
 == http://www.imrryr.org/~elric/