pktsetup problem...

hi

i try to do packet writing under linux (suse 10)

in fstab i have

/dev/dvdram          /media/dvdram        subfs      
fs=cdfss,rw,procuid,nosuid,nodev,exec,users,gid=users,umask=0002,iocharset=utf8 
0 0

modprobe pktcdvd
modprobe udf
cdrwtool -d /dev/dvdram/ -q

pktsetup /dev/pktcdvd0 /dev/dvdram

i get ioctl: Inappropriate ioctl for device

linux:/var/lib/rpm # ls -ls /dev/pktcdvd*
0 crw-rw---- 1 root root 10, 62 2005-10-26 23:59 /dev/pktcdvd
0 --wx---r-- 1 root root 0 2005-10-27 00:11 /dev/pktcdvd0


any idea?

thanks