There have been several tickets on segmentation faults concerning the singular interface. Since they are all closed, I think this must be an unknown case:
sage: R.<x,y> = Integers(7)[] sage: p = x**2-1 sage: p.factor() Trying the same with GF works fine: sage: R.<x,y> = GF(7)[] sage: p = x**2-1 sage: p.factor() (x - 1) * (x + 1) -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/151bf5dd-151b-4fa3-93e8-5a8c92ad36c1%40googlegroups.com.
