Q: Migration Mac to Mac-- frozen @ 1min left

So, when you stop the process and check out the target machine does it have all your migrated data? Can you boot it? If so then don't sweat the small stuff.

Are you sure? Did you check to see if you now have two user accounts listed in the /Users/ folder and Users & Groups preferences? You probably won't find anything in the current account you are using because MA will not migrate into an existing account.

Check out this article: OS X Mavericks: Migration may stall with "Sharing Only" user accounts

Also, not sure what model Mac Pro you're migrating from, but check this article as well: Mac Pro (Mid 2010) and Mid (2012): Migration does not complete

Back up the old system with Time Machine or Disk Utility and try migrating from the backup.

Why not connect the two by Firewire or Thunderbolt and use  Target Disk Mode to clone your old machine to the new one? Or erase your Passport, clone your old system to it using Disk Utility. Then restore the clone to the new computer (erase its drive first.) This is more reliable than using Migration Assistant.

Clone using Restore Option of Disk Utility

  1. Open Disk Utility in the Utilities folder.

  2. Select the destination volume from the left side list.

  3. Click on the Restore tab in the DU main window.

  4. Select the destination volume from the left side list and drag

       it to the Destination entry field.

  5. Select the source volume from the left side list and drag it to

      the Source entry field.

  6. Double-check you got it right, then click on the Restore button.

Destination means the Target or the drive you are copying to. Source means the drive you are copying from.