pfsense-boot-screen-after-2.4.0-BETA

Trying to mount root from ufs:/dev/ad4s1a [rw]...
mountroot: waiting for device /dev/ad4s1a...
Mounting from ufs: /dev/ad4s1a failed with error 19.

Loader variables:
   vfs.root.mountfrom=ufs:/dev/ad4s1a
   vfs.root.mountfrom.options=rw

Manual root filesystem specification:
   <fstype>:<device> [options]
       Mount <device> using the filesystem <fstype>
       and with the specified (optional) option list.
       
     eg. ufs:/dev/da0s1a
         zfs:tank
         cd9660:/dev/cd0 ro
           (which is equivalent to: mount -t cd9600 -o ro /dev/cd0 /)
           
   ?               List valid disk boot devices
   .               Yield 1 second (for background tasks)
   <empty line>    Abort manual input
   
   mountroot> ?
   
   List of GEOM managed disk devices:
      diskid/DISK-WD-WXL1C10H1292s1b diskid/DISK-WD-WXL1C10H1292s1a diskid/DISK-WD-WXL1C10H1292s1 ada0s1b ada0s1a diskid/DISK-WD-WXL1C10H1292s1 ada0s1 ada0