Comment # 25 on bug 50655 from Alex Deucher

Created attachment 71346 [details] [review]
possible fix

Try this patch.  It re-emits most of the invariant state at draw time.  If it
helps, please try commenting out (change the #if 1 to #if 0) each new section
until you are able to trigger the lock ups again so we can narrow down which
state needs to be re-emitted at draw time.