diff --git a/mlprec/impl/smoother/mld_c_jac_smoother_bld.f90 b/mlprec/impl/smoother/mld_c_jac_smoother_bld.f90
index ac504cff..0552509b 100644
--- a/mlprec/impl/smoother/mld_c_jac_smoother_bld.f90
+++ b/mlprec/impl/smoother/mld_c_jac_smoother_bld.f90
@@ -51,9 +51,8 @@ subroutine mld_c_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
   class(psb_c_base_vect_type), intent(in), optional  :: vmold
   class(psb_i_base_vect_type), intent(in), optional  :: imold
   ! Local variables
+  type(psb_cspmat_type) :: tmpa
   integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
-  complex(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
-  type(psb_c_coo_sparse_mat) :: tmpcoo
   integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level
   character(len=20) :: name='c_jac_smoother_bld', ch_err
 
@@ -76,17 +75,22 @@ subroutine mld_c_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
     call sm%nd%free()
     sm%pa => a
     sm%nnz_nd_tot = nztota
+    call psb_sum(ictxt,sm%nnz_nd_tot)
+    call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
 
   class default
     if (smsv%is_global()) then
       ! Do not put anything into SM%ND since the solver
       ! is acting globally.
+      call sm%nd%free()
       sm%nnz_nd_tot = 0
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
     else
       call a%csclip(sm%nd,info,&
            & jmin=nrow_a+1,rscale=.false.,cscale=.false.)
-      if (info == psb_success_) then 
-        if (present(amold)) then 
+      if (info == psb_success_) then
+        if (present(amold)) then
           call sm%nd%cscnv(info,&
                & mold=amold,dupl=psb_dupl_add_)
         else
@@ -95,6 +99,10 @@ subroutine mld_c_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
         endif
       end if
       sm%nnz_nd_tot = sm%nd%get_nzeros()
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call a%csclip(tmpa,info,&
+           & jmax=nrow_a,rscale=.false.,cscale=.false.)
+      call sm%sv%build(tmpa,desc_a,info,amold=amold,vmold=vmold)
     end if
   end select
   if (info /= psb_success_) then
@@ -102,15 +110,7 @@ subroutine mld_c_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
          & a_err='clip & psb_spcnv csr 4')
     goto 9999
   end if
-  call psb_sum(ictxt,sm%nnz_nd_tot)
 
-
-  call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
-  if (info /= psb_success_) then
-    call psb_errpush(psb_err_from_subroutine_,name,&
-         & a_err='solver build')
-    goto 9999
-  end if
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),' end'
 
diff --git a/mlprec/impl/smoother/mld_d_jac_smoother_bld.f90 b/mlprec/impl/smoother/mld_d_jac_smoother_bld.f90
index 156da119..66c5952a 100644
--- a/mlprec/impl/smoother/mld_d_jac_smoother_bld.f90
+++ b/mlprec/impl/smoother/mld_d_jac_smoother_bld.f90
@@ -51,9 +51,8 @@ subroutine mld_d_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
   class(psb_d_base_vect_type), intent(in), optional  :: vmold
   class(psb_i_base_vect_type), intent(in), optional  :: imold
   ! Local variables
+  type(psb_dspmat_type) :: tmpa
   integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
-  real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
-  type(psb_d_coo_sparse_mat) :: tmpcoo
   integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level
   character(len=20) :: name='d_jac_smoother_bld', ch_err
 
@@ -76,17 +75,22 @@ subroutine mld_d_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
     call sm%nd%free()
     sm%pa => a
     sm%nnz_nd_tot = nztota
+    call psb_sum(ictxt,sm%nnz_nd_tot)
+    call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
 
   class default
     if (smsv%is_global()) then
       ! Do not put anything into SM%ND since the solver
       ! is acting globally.
+      call sm%nd%free()
       sm%nnz_nd_tot = 0
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
     else
       call a%csclip(sm%nd,info,&
            & jmin=nrow_a+1,rscale=.false.,cscale=.false.)
-      if (info == psb_success_) then 
-        if (present(amold)) then 
+      if (info == psb_success_) then
+        if (present(amold)) then
           call sm%nd%cscnv(info,&
                & mold=amold,dupl=psb_dupl_add_)
         else
@@ -95,6 +99,10 @@ subroutine mld_d_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
         endif
       end if
       sm%nnz_nd_tot = sm%nd%get_nzeros()
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call a%csclip(tmpa,info,&
+           & jmax=nrow_a,rscale=.false.,cscale=.false.)
+      call sm%sv%build(tmpa,desc_a,info,amold=amold,vmold=vmold)
     end if
   end select
   if (info /= psb_success_) then
@@ -102,15 +110,7 @@ subroutine mld_d_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
          & a_err='clip & psb_spcnv csr 4')
     goto 9999
   end if
-  call psb_sum(ictxt,sm%nnz_nd_tot)
 
-
-  call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
-  if (info /= psb_success_) then
-    call psb_errpush(psb_err_from_subroutine_,name,&
-         & a_err='solver build')
-    goto 9999
-  end if
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),' end'
 
diff --git a/mlprec/impl/smoother/mld_s_jac_smoother_bld.f90 b/mlprec/impl/smoother/mld_s_jac_smoother_bld.f90
index f8ab3f15..ef93cf14 100644
--- a/mlprec/impl/smoother/mld_s_jac_smoother_bld.f90
+++ b/mlprec/impl/smoother/mld_s_jac_smoother_bld.f90
@@ -51,9 +51,8 @@ subroutine mld_s_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
   class(psb_s_base_vect_type), intent(in), optional  :: vmold
   class(psb_i_base_vect_type), intent(in), optional  :: imold
   ! Local variables
+  type(psb_sspmat_type) :: tmpa
   integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
-  real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
-  type(psb_s_coo_sparse_mat) :: tmpcoo
   integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level
   character(len=20) :: name='s_jac_smoother_bld', ch_err
 
@@ -76,17 +75,22 @@ subroutine mld_s_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
     call sm%nd%free()
     sm%pa => a
     sm%nnz_nd_tot = nztota
+    call psb_sum(ictxt,sm%nnz_nd_tot)
+    call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
 
   class default
     if (smsv%is_global()) then
       ! Do not put anything into SM%ND since the solver
       ! is acting globally.
+      call sm%nd%free()
       sm%nnz_nd_tot = 0
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
     else
       call a%csclip(sm%nd,info,&
            & jmin=nrow_a+1,rscale=.false.,cscale=.false.)
-      if (info == psb_success_) then 
-        if (present(amold)) then 
+      if (info == psb_success_) then
+        if (present(amold)) then
           call sm%nd%cscnv(info,&
                & mold=amold,dupl=psb_dupl_add_)
         else
@@ -95,6 +99,10 @@ subroutine mld_s_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
         endif
       end if
       sm%nnz_nd_tot = sm%nd%get_nzeros()
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call a%csclip(tmpa,info,&
+           & jmax=nrow_a,rscale=.false.,cscale=.false.)
+      call sm%sv%build(tmpa,desc_a,info,amold=amold,vmold=vmold)
     end if
   end select
   if (info /= psb_success_) then
@@ -102,15 +110,7 @@ subroutine mld_s_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
          & a_err='clip & psb_spcnv csr 4')
     goto 9999
   end if
-  call psb_sum(ictxt,sm%nnz_nd_tot)
 
-
-  call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
-  if (info /= psb_success_) then
-    call psb_errpush(psb_err_from_subroutine_,name,&
-         & a_err='solver build')
-    goto 9999
-  end if
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),' end'
 
diff --git a/mlprec/impl/smoother/mld_z_jac_smoother_bld.f90 b/mlprec/impl/smoother/mld_z_jac_smoother_bld.f90
index 772b4db4..3ee8f172 100644
--- a/mlprec/impl/smoother/mld_z_jac_smoother_bld.f90
+++ b/mlprec/impl/smoother/mld_z_jac_smoother_bld.f90
@@ -51,9 +51,8 @@ subroutine mld_z_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
   class(psb_z_base_vect_type), intent(in), optional  :: vmold
   class(psb_i_base_vect_type), intent(in), optional  :: imold
   ! Local variables
+  type(psb_zspmat_type) :: tmpa
   integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nzeros
-  complex(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
-  type(psb_z_coo_sparse_mat) :: tmpcoo
   integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level
   character(len=20) :: name='z_jac_smoother_bld', ch_err
 
@@ -76,17 +75,22 @@ subroutine mld_z_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
     call sm%nd%free()
     sm%pa => a
     sm%nnz_nd_tot = nztota
+    call psb_sum(ictxt,sm%nnz_nd_tot)
+    call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
 
   class default
     if (smsv%is_global()) then
       ! Do not put anything into SM%ND since the solver
       ! is acting globally.
+      call sm%nd%free()
       sm%nnz_nd_tot = 0
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
     else
       call a%csclip(sm%nd,info,&
            & jmin=nrow_a+1,rscale=.false.,cscale=.false.)
-      if (info == psb_success_) then 
-        if (present(amold)) then 
+      if (info == psb_success_) then
+        if (present(amold)) then
           call sm%nd%cscnv(info,&
                & mold=amold,dupl=psb_dupl_add_)
         else
@@ -95,6 +99,10 @@ subroutine mld_z_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
         endif
       end if
       sm%nnz_nd_tot = sm%nd%get_nzeros()
+      call psb_sum(ictxt,sm%nnz_nd_tot)
+      call a%csclip(tmpa,info,&
+           & jmax=nrow_a,rscale=.false.,cscale=.false.)
+      call sm%sv%build(tmpa,desc_a,info,amold=amold,vmold=vmold)
     end if
   end select
   if (info /= psb_success_) then
@@ -102,15 +110,7 @@ subroutine mld_z_jac_smoother_bld(a,desc_a,sm,info,amold,vmold,imold)
          & a_err='clip & psb_spcnv csr 4')
     goto 9999
   end if
-  call psb_sum(ictxt,sm%nnz_nd_tot)
 
-
-  call sm%sv%build(a,desc_a,info,amold=amold,vmold=vmold)
-  if (info /= psb_success_) then
-    call psb_errpush(psb_err_from_subroutine_,name,&
-         & a_err='solver build')
-    goto 9999
-  end if
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),' end'