не удалось смонтировать cifs через autofs

Я пытаюсь настроить монтирование и выдаю следующую ошибку в / var / log / messages:

Nov 10 10:37:00 cvv automount[3038]: attempting to mount entry /mnt/cifs/acad Nov 10 10:37:01 cvv automount[3333]: >> Usage: mount -V : print version Nov 10 10:37:01 cvv automount[3333]: >> mount -h : print this help Nov 10 10:37:01 cvv automount[3333]: >> mount : list mounted filesystems Nov 10 10:37:01 cvv automount[3333]: >> mount -l : idem, including volume labels Nov 10 10:37:01 cvv automount[3333]: >> So far the informational part. Next the mounting. Nov 10 10:37:01 cvv automount[3333]: >> The command is `mount [-t fstype] something somewhere'. Nov 10 10:37:01 cvv automount[3333]: >> Details found in /etc/fstab may be omitted. Nov 10 10:37:01 cvv automount[3333]: >> mount -a [-t|-O] ... : mount all stuff from /etc/fstab Nov 10 10:37:01 cvv automount[3333]: >> mount device : mount device at the known place Nov 10 10:37:01 cvv automount[3333]: >> mount directory : mount known device here Nov 10 10:37:01 cvv automount[3333]: >> mount -t type dev dir : ordinary mount command Nov 10 10:37:01 cvv automount[3333]: >> Note that one does not really mount a device, one mounts Nov 10 10:37:01 cvv automount[3333]: >> a filesystem (of the given type) found on the device. Nov 10 10:37:01 cvv automount[3333]: >> One can also mount an already visible directory tree elsewhere: Nov 10 10:37:01 cvv automount[3333]: >> mount --bind olddir newdir Nov 10 10:37:01 cvv automount[3333]: >> or move a subtree: Nov 10 10:37:01 cvv automount[3333]: >> mount --move olddir newdir Nov 10 10:37:01 cvv automount[3333]: >> One can change the type of mount containing the directory dir: Nov 10 10:37:01 cvv automount[3333]: >> mount --make-shared dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-slave dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-private dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-unbindable dir Nov 10 10:37:01 cvv automount[3333]: >> One can change the type of all the mounts in a mount subtree Nov 10 10:37:01 cvv automount[3333]: >> containing the directory dir: Nov 10 10:37:01 cvv automount[3333]: >> mount --make-rshared dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-rslave dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-rprivate dir Nov 10 10:37:01 cvv automount[3333]: >> mount --make-runbindable dir Nov 10 10:37:01 cvv automount[3333]: >> A device can be given by name, say /dev/hda1 or /dev/cdrom, Nov 10 10:37:01 cvv automount[3333]: >> or by label, using -L label or by uuid, using -U uuid . Nov 10 10:37:01 cvv automount[3333]: >> Other options: [-nfFrsvw] [-o options] [-p passwdfd]. Nov 10 10:37:01 cvv automount[3333]: >> For many more details, say man 8 mount . Nov 10 10:37:01 cvv automount[3333]: mount(generic): failed to mount (null) (type cifs) on /mnt/cifs/acad 

какая дополнительная информация требуется?