grempe/amazon-ec2 — Issue #63: Rdoc issue:  :instance_type described as :type in request spot instance options hash.
Author: jcihocki
Created: 2012-01-03 00:01:44+00:00
State: open

The error I was getting was a red herring, because default instance type is m1.small and that instance type doesn't support 64 bit AMIs. But it was only because I was using :type as described in the documentation instead of :instance_type which, looking at the source, appears to be correct.