diff --git a/comex/configure.ac b/comex/configure.ac
index 4611f3c68..8651d3537 100644
--- a/comex/configure.ac
+++ b/comex/configure.ac
@@ -129,7 +129,7 @@ AC_CHECK_SIZEOF([double])
 # Checks for C library functions.
 AC_FUNC_MMAP
 COMEX_SEARCH_LIBS([sqrt], [m])
-COMEX_SEARCH_LIBS([sem_open], [rt])
+COMEX_SEARCH_LIBS([sem_open], [pthread])
 COMEX_SEARCH_LIBS([shm_open], [rt])
 COMEX_SEARCH_LIBS([shm_unlink], [rt])
 COMEX_CHECK_FUNCS([bzero])
diff --git a/global/src/scalapack.F b/global/src/scalapack.F
index 443043d87..6c56540fc 100644
--- a/global/src/scalapack.F
+++ b/global/src/scalapack.F
@@ -230,7 +230,7 @@ INTGR4 function slgetmxproc(n,nnodes)
       INTGR4 nmax,nprocs,twoi
       double precision nprocs0
       double precision otto
-      parameter(nmax=11,fact=((7108d0*7108d0)/1024d0),otto=8d0)
+      parameter(nmax=19,fact=((7108d0*7108d0)/1024d0),otto=8d0)
 cnew      parameter(nmax=11,fact=((7108d0*7108d0)/512d0),otto=8d0)
 c     lower bound of 8 procs
       nprocs0=max((n*n)/fact,otto)
@@ -238,7 +238,7 @@ INTGR4 function slgetmxproc(n,nnodes)
 c     try to get powers of two
 c
       do i = nmax, 0, -1 
-         if(nint(nprocs0/(2d0**i)).eq.1) goto 1
+         if(nint(nprocs0/(2d0**i)).ge.1) goto 1
       enddo
       i=4
 1     twoi=2**i
diff --git a/m4/ga_lapack.m4 b/m4/ga_lapack.m4
index 9cc4869bb..0210899a9 100644
--- a/m4/ga_lapack.m4
+++ b/m4/ga_lapack.m4
@@ -88,7 +88,7 @@ AS_IF([test $ga_lapack_ok = no],
 # Generic LAPACK library?
 for lib in lapack lapack_rs6k; do
 AS_IF([test $ga_lapack_ok = no],
-    [ga_save_LIBS="$LIBS"; LIBS="-l$lib $BLAS_LIBS $LIBS"
+    [ga_save_LIBS="$LIBS"; LIBS="-l$lib $BLAS_LIBS $LIBS"; LAPACK_LIBS="-l$lib" 
      AS_IF([test "x$enable_f77" = xno],
         [AC_MSG_CHECKING([for C LAPACK using -l$lib])
          AC_LANG_PUSH([C])
diff --git a/travis/install-mpi.sh b/travis/install-mpi.sh
index 174ac3f61..759ffba18 100755
--- a/travis/install-mpi.sh
+++ b/travis/install-mpi.sh
@@ -42,6 +42,21 @@ case "$os" in
                     wget --no-check-certificate http://www.mpich.org/static/downloads/3.2/mpich-3.2.tar.gz
                     tar -xzf mpich-3.2.tar.gz
                     cd mpich-3.2
+cat > mpiimpl.h.patch <<EOF
+--- src/include/mpiimpl.h	2017-09-12 11:31:22.104653843 -0700
++++ src/include/mpiimpl.h.new	2017-09-12 11:30:29.696274605 -0700
+@@ -1528,7 +1528,8 @@
+ #ifdef MPID_DEV_REQUEST_DECL
+     MPID_DEV_REQUEST_DECL
+ #endif
+-} MPID_Request ATTRIBUTE((__aligned__(32)));
++} ATTRIBUTE((__aligned__(32))) MPID_Request;
++/*} MPID_Request ATTRIBUTE((__aligned__(32)));*/
+ 
+ extern MPIU_Object_alloc_t MPID_Request_mem;
+ /* Preallocated request objects */
+EOF
+                    patch -p0 < mpiimpl.h.patch
                     mkdir build && cd build
                     ../configure CFLAGS="-w" --prefix=$TRAVIS_ROOT/mpich
                     make -j ${MAKE_JNUM}