I'm not sure when this started. I thought it might have started when I added my 
RAID controller which has SCSI emulation too, but the error still occurs when I 
remove it. So I'm guessing it started when I upgraded to 8.0 RC1 from 7 stable.

I have a Pioneer DVD-RW. Burncd doesn't support it so I've always used 
cdrecord, but a few days ago, it gave me this error:

[r...@bahamut ~]# cdrecord -scanbus
Cdrecord-Clone 2.01 (i386-unknown-freebsd7.0) Copyright (C) 1995-2004 Jörg 
cdrecord: Inappropriate ioctl for device. CAMIOCOMMAND ioctl failed. Cannot 
open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.

Camcontrol works fine.

[r...@bahamut ~]# camcontrol devlist
<WDC WD5000AADS-00S9B 0A01>        at scbus0 target 0 lun 0 (pass0)
<WDC WD5000AADS-00S9B 0A01>        at scbus0 target 1 lun 0 (pass1)
<WDC WD5000AADS-00S9B 0A01>        at scbus0 target 2 lun 0 (pass2)
<PIONEER DVD-RW  DVR-110D 1.11>    at scbus3 target 0 lun 0 (cd0,pass3)

I tried using cdrecord with lun 3,0,0 as reported by camcontrol and got the 
same error as with -scanbus. I'm thinking this is a bug with either cdrecord or 
the kernel, but I thought I'd check here first to make sure I haven't missed 

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