Не понимаю, что надо включить, что бы записывать CD из под пользователя..
Дистрибутив CRUX
$ groups ivan
lp wheel audio video floppy cdrom users fuse pkgmk disk qemu scanner
$ ls -l /dev/cdrom
lrwxrwxrwx 1 root root 14 2008-07-12 23:26 /dev/cdrom -> /dev/cdrom-hda
$ ls -l /dev/cdrom-hda
lrwxrwxrwx 1 root root 3 2008-07-12 23:26 /dev/cdrom-hda -> hda
$ ls -l /dev/hda
brw-r----- 1 root cdrom 3, 0 2008-07-12 23:26 /dev/hda
$ cat /etc/udev/rules.d/81-cdrom.rules
ACTION=="add", BUS=="ide", KERNEL=="hd[a-z]", IMPORT="/lib/udev/cdrom_id --export $tempnode"
ACTION=="add", BUS=="scsi", KERNEL=="sr[0-9]*", IMPORT="/lib/udev/cdrom_id --export $tempnode"
ACTION=="add", BUS=="scsi", KERNEL=="scd[a-z]", IMPORT="/lib/udev/cdrom_id --export $tempnode"
ENV{ID_CDROM}=="?*", SYMLINK+="cdrom-%b"
ENV{ID_CDROM_CD_RW}=="?*", SYMLINK+="cdrw-%b"
ENV{ID_CDROM_DVD}=="?*", SYMLINK+="dvd-%b"
ENV{ID_CDROM_DVD_R}=="?*", SYMLINK+="dvd-%b"
ACTION=="add", BUS=="ide", KERNEL=="hd[a-z]", SYSFS{removable}=="1", SYSFS{media}=="cdrom*", RUN+="/lib/udev/cdsymlinks"
ACTION=="add", BUS=="scsi", KERNEL=="sr[0-9]*", SYSFS{type}=="5", RUN+="/lib/udev/cdsymlinks"
ACTION=="add", BUS=="scsi", KERNEL=="sg[0-9]*", SYSFS{type}=="5", RUN+="/lib/udev/cdsymlinks"
ACTION=="remove", BUS=="block", KERNEL=="hd[a-z]", RUN+="/lib/udev/cdsymlinks"
ACTION=="remove", BUS=="block", KERNEL=="sr[0-9]*", RUN+="/lib/udev/cdsymlinks"
ACTION=="remove", BUS=="block", KERNEL=="sg[0-9]*", RUN+="/lib/udev/cdsymlinks"
GROUP=="cdrom"