Problems reading CDRW after writing

Fabian Keil freebsd-listen at
Wed Jan 4 00:08:40 PST 2006

Marc Evans <Marc at SoftwareHackery.Com> wrote:

> Thank you for your suggestion. I have managed to get camcontrol to 
> function, which implies to me that the atapicam module is
> functioning. However, I am not succeeding at getting the readcd
> command to work:
> # camcontrol devlist
> <ATAPI CD-RW 52X24 K.NC>           at scbus1 target 1 lun 0
> (cd0,pass0) # camcontrol inquiry cd0
> pass0: <ATAPI CD-RW 52X24 K.NC> Removable CD-ROM SCSI-0 device
> pass0: 33.000MB/s transfers
> # readcd dev=/dev/cd0 -c2scan

Use readcd dev=1,1,0 -c2scan.

> readcd: Invalid argument. Open by 'devname' not supported on this OS. 
> Cannot open SCSI driver.
> readcd: For possible targets try 'readcd -scanbus'.
> readcd: For possible transport specifiers try 'readcd dev=help'.
> # readcd -scanbus
> readcd: Error 0. Cannot open SCSI driver.

I don't know yet if this is a general readcd problem or just a problem
with the ports version, however readcd -scanbus fails here as well.
cdrecord -scanbus still works. 

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url :

More information about the freebsd-questions mailing list