Index: trunk/src/plugins/rt_topo/laa3_solve.c
===================================================================
--- trunk/src/plugins/rt_topo/laa3_solve.c	(revision 1387)
+++ trunk/src/plugins/rt_topo/laa3_solve.c	(revision 1388)
@@ -149,15 +149,16 @@
 		/* need to update the other side of the crossing; via/layer cost doesn't need update as it didn't change */
 		laa_cost_2net_calc_cross(laa3, cr->cn, cr->cn_cridx, 1);
 
-#warning TODO: turn this extra check off
-#define DOUBLE_CHECK_CROSSING 1
+/* can not do this check: it may be that some crossing happens to be on the
+   same coord as an unrelated pin; common when the board uses grid and well
+   aligned pins */
 #ifdef DOUBLE_CHECK_CROSSING
 		for(cridx2 = 0; cridx2 < cr->cn->cross.used; cridx2++) {
 			cr2 = &cr->cn->cross.array[cridx2];
 			if ((fabs(cr2->x-cr->x) < 0.0001) && (fabs(cr2->y-cr->y) < 0.0001)) {
+				if (cr->cn_cr != cr2)
+					printf("  update2 mismatch %d %d at {%f %f} vs {%f %f} (%p == %p)\n", cr->cn_bridx, cr2->bridx, cr->x, cr->y, cr2->x, cr2->y, cr->cn_cr, cr2);
 				assert(cr->cn_cr == cr2);
-				if (cr->cn_cr != cr2)
-					printf("  update2 mismatch %d %d at %f %f (%p == %p)\n", cr->cn_bridx, cr2->bridx, cr->x, cr->y, cr->cn_cr, cr2);
 			}
 		}
 #endif