         }        
 
         {
-            PROFILE_CUDA_GROUP("Copy buffer to device",7);    
+            PROFILE_CUDA_GROUP("Copy buffer to device",7);              
+            printf("here ...2\n");
             CHECK(cudaMemcpy(s_membuffer_dev, s_membuffer, bytes, cudaMemcpyHostToDevice));            
         }
     }        
 
+    printf("here ...3\n");
+
     /* -------------------------------- Work with array --------------------------------*/ 
 
     //cudaclaw_fluxes_t* array_fluxes_struct_dev = NULL;
     //CHECK(cudaMalloc(&array_fluxes_struct_dev, batch_size*sizeof(cudaclaw_fluxes_t)));
 
     FCLAW_ASSERT(s_array_fluxes_struct_dev != NULL);
-    
+
+    printf("here ...4\n");
     CHECK(cudaMemcpy(s_array_fluxes_struct_dev, array_fluxes_struct, 
                      batch_size*sizeof(cudaclaw_fluxes_t), 
                      cudaMemcpyHostToDevice));
+
+    printf("here ...5\n");
 
     dim3 block(128,1,1);
     dim3 grid(1,1,batch_size);

            int I_q = i*fluxes->num;
            int I_aux = batch_size*fluxes->num + i*fluxes->num_aux;

            memcpy(&s_membuffer[I_q]  ,fluxes->qold ,fluxes->num_bytes);
            memcpy(&s_membuffer[I_aux],fluxes->aux  ,fluxes->num_bytes_aux);

            /* Assign gpu pointers */

            cudaclaw_fluxes_t* fluxes = &(array_fluxes_struct[i]);
            int I_q = i*fluxes->num;

            printf("here ...5\n");
            memcpy(fluxes->qold,&s_membuffer[I_q],fluxes->num_bytes);
            printf("here ...6\n");

        }        
    }

