hal-0.5.3-alt7

eugene ~ $ grep media/cdrom /etc/fstab
/dev/hdc                /media/cdrom            auto   
user,nosuid,nodev,noexec,noauto,iocharset=koi8-r,ro,umask=0,comment=managed 0 0

eugene ~ $ mount /dev/cdrom           
mount: wrong fs type, bad option, bad superblock on /dev/hdc,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

Если убрать опцию umask=0:

eugene ~ $ grep media/cdrom /etc/fstab
/dev/hdc                /media/cdrom            auto   
user,nosuid,nodev,noexec,noauto,iocharset=koi8-r,ro,comment=managed 0 0
eugene ~ $ mount /dev/cdrom
eugene ~ $