problem on debian sarge + kernel 2.6.1 bad ioctl

Hi all, Running Debian sarge and kernel 2.6.1 and getting the following error when trying to setup the drive. Any thoughts? FYI: I just started with UDF so don't know much about it. The udf kernel module is statically compiled into the kernel. pktsetup /dev/pktcdvd0 /dev/hdc ioctl: Inappropriate ioctl for device