WARNING: Trying the below procedure will crash your client or even your computer and all those around you.
Objects that do not have the same tint or texture on all sides will crash all clients in view range when the Path cut is adjust in such a way that the side numbering changes.
-so rez a box
-change the top face to red.
-use the spinners to adjust the path cut begin till it hits near the .25 mark
-now crash you client
Very good you even got the crash part right.
only took 40 or so crashes to track this one down. That has to be a record
EDIT: everyhing that adds or moves a face seems to crash the client. even changing teh prim type. Look like they have their work cut out for them