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(sdda1:sdhci_slot1:0:0:0): sddaclose
mountroot: waiting for device mmcsd0s2...
Mounting from ufs:mmcsd0s2 failed with error 19.
 Loader variables:
  vfs.root.mountfrom=ufs:/sdda0s2a
 Manual root filesystem specification:
  <fstype>:<device> [options]
      Mount <device> using 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 cd9660 -o ro /dev/cd0 /)
   ?               List valid disk boot devices
  .               Yield 1 second (for background tasks)
  <empty line>    Abort manual input
 mountroot>