diff -Nru petsc-3.6.2.dfsg1/debian/changelog petsc-3.6.2.dfsg1/debian/changelog
--- petsc-3.6.2.dfsg1/debian/changelog	2015-10-24 17:06:43.000000000 +0000
+++ petsc-3.6.2.dfsg1/debian/changelog	2016-02-09 20:54:46.000000000 +0000
@@ -1,3 +1,10 @@
+petsc (3.6.2.dfsg1-3ubuntu1~ppa1) xenial; urgency=medium
+
+  * Replace deprecated MCA variable orte_rsh_agent with plm_rsh_agent.
+  * Skip 2 MPI process test to avoid FTBFS on buildds with limited RAM.
+
+ -- Graham Inggs <ginggs@ubuntu.com>  Tue, 09 Feb 2016 22:54:04 +0200
+
 petsc (3.6.2.dfsg1-3) unstable; urgency=medium
 
   * Add Depends: libssl-dev, libgfortran-5-dev to petsc dev packages.
diff -Nru petsc-3.6.2.dfsg1/debian/patches/series petsc-3.6.2.dfsg1/debian/patches/series
--- petsc-3.6.2.dfsg1/debian/patches/series	2015-10-24 17:06:43.000000000 +0000
+++ petsc-3.6.2.dfsg1/debian/patches/series	2016-02-09 20:51:52.000000000 +0000
@@ -13,3 +13,4 @@
 g++-4.8.patch
 python_header
 soname_extension
+skip-2-mpi-process-test.patch
diff -Nru petsc-3.6.2.dfsg1/debian/patches/skip-2-mpi-process-test.patch petsc-3.6.2.dfsg1/debian/patches/skip-2-mpi-process-test.patch
--- petsc-3.6.2.dfsg1/debian/patches/skip-2-mpi-process-test.patch	1970-01-01 00:00:00.000000000 +0000
+++ petsc-3.6.2.dfsg1/debian/patches/skip-2-mpi-process-test.patch	2016-02-09 20:24:10.000000000 +0000
@@ -0,0 +1,11 @@
+--- a/src/snes/examples/tutorials/makefile
++++ b/src/snes/examples/tutorials/makefile
+@@ -916,7 +916,7 @@
+ 	   else echo "Possible error running C/C++ src/snes/examples/tutorials/ex19 with 1 MPI process"; \
+            echo "See http://www.mcs.anl.gov/petsc/documentation/faq.html";\
+            cat ex19_1.tmp; fi; \
+-	if [ "${MPIEXEC}" != "${PETSC_DIR}/bin/petsc-mpiexec.uni" ]; then \
++	if false; then \
+            ${MPIEXEC} -n 2 ./ex19 -da_refine 3 -pc_type mg -ksp_type fgmres  > ex19_1.tmp 2>&1; \
+ 	   if (${DIFF} output/ex19_1.testout ex19_1.tmp > /dev/null 2>&1) then \
+            echo "C/C++ example src/snes/examples/tutorials/ex19 run successfully with 2 MPI processes"; \
diff -Nru petsc-3.6.2.dfsg1/debian/rules petsc-3.6.2.dfsg1/debian/rules
--- petsc-3.6.2.dfsg1/debian/rules	2015-10-24 17:06:43.000000000 +0000
+++ petsc-3.6.2.dfsg1/debian/rules	2016-02-09 06:33:18.000000000 +0000
@@ -38,7 +38,7 @@
 PETSC_MPI_DIR=/usr/lib/$(PETSC_MPI)
 
 # facilitate build-time testing (invoking OpenMPI) when building in a chroot (pbuilder or sbuild)
-export OMPI_MCA_orte_rsh_agent=/bin/false
+export OMPI_MCA_plm_rsh_agent=/bin/false
 
 PETSC_HDF5_FLAGS=$(shell if [ -e /usr/lib/libhdf5.so ]; then echo "--with-hdf5=1 --with-hdf5-dir=/usr"; fi)