diff --git a/interface/gemv.c b/interface/gemv.c
index 9a1ee606c..e31b7c515 100644
--- a/interface/gemv.c
+++ b/interface/gemv.c
@@ -190,6 +190,7 @@ fprintf(stderr,"interface for CBLAS_?GEMV starting, order=%d trans=%d m=%ld n=%l
   if (info >= 0) {
 	  fprintf(stderr,"CBLAS_?GEMV trying to call XERBLA\n");
     BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
+	  fprintf(stderr,"after xerbla, SCAL_K is %x SSCAL_K %x DSCAL_K %x CSCAL_K %x ZSCAL_K %x\n",SCAL_K,SSCAL_K,DSCAL_K,CSCAL_K, ZSCAL_K);
     return;
   }