more conservative op calculation:

start with new gmin, if this fails, fall back to dynamic gmin,
then source stepping

src/spicelib/analysis/cktop.c

@@ -54,11 +54,17 @@ CKTop (CKTcircuit *ckt, long int firstmode, long int continuemode,
 
     if (ckt->CKTnumGminSteps >= 1) {
         if (ckt->CKTnumGminSteps == 1) {
+            /* only the old gmin */
             if (cp_getvar("dyngmin", CP_BOOL, NULL, 0)) {
                 converged = dynamic_gmin(ckt, firstmode, continuemode, iterlim);
             }
+            /* first the new gmin, then the old gmin */
             else {
                 converged = new_gmin(ckt, firstmode, continuemode, iterlim);
+/*                if(converged != 0) {
+                    converged = dynamic_gmin(ckt, firstmode, continuemode, iterlim);
+                }*/
+
             }
         }
         else {