when you are on sulogin the / partition can be with ro permissions instead of rw. in this case simply
mount -o remount,rw /
Now , your post puzzle me a lot cause of your segmentation fault that you got. The first one concerning 66-info was a bug from a old version of 66 and i can't understand how you can get it because it was fixed from a while now
The second (with 66-enable command) it showed here for the first time.I would like to reproduce this issue...