diff -Nru hypre-2.28.0/debian/changelog hypre-2.28.0/debian/changelog
--- hypre-2.28.0/debian/changelog	2023-08-08 09:33:24.000000000 +0000
+++ hypre-2.28.0/debian/changelog	2023-08-29 08:26:33.000000000 +0000
@@ -1,3 +1,14 @@
+hypre (2.28.0-7) unstable; urgency=medium
+
+  * Team upload.
+  * run build-time tests (make check) on ppc64el, only skip checkpar.
+    Likewise with hurd-i386.
+  * relax checkpar tolerance on riscv64. Closes: #1050225
+  * report number of available processors (nproc) when running tests
+    (hanging tests is more likely when oversubscribing)
+
+ -- Drew Parsons <dparsons@debian.org>  Tue, 29 Aug 2023 10:26:33 +0200
+
 hypre (2.28.0-6) unstable; urgency=medium
 
   * Team upload.
diff -Nru hypre-2.28.0/debian/rules hypre-2.28.0/debian/rules
--- hypre-2.28.0/debian/rules	2023-08-08 09:33:24.000000000 +0000
+++ hypre-2.28.0/debian/rules	2023-08-29 08:26:33.000000000 +0000
@@ -176,17 +176,25 @@
 empty :=
 space := $(empty)$(empty)
 
-# disable build tests on arches which consistently time out
 # ia64 does not fail to run tests, it fails to build them
-ARCH_NO_TEST_LIST = ppc64el ia64
+ARCH_NO_TEST_LIST = ia64
 
 ifneq (,$(findstring $(space)$(DEB_HOST_ARCH)$(space), $(space)$(ARCH_NO_TEST_LIST)$(space)))
   RUNTEST=no
 endif
 
+# some arches consistently hang in checkpar tests
+# possibly due to pmix, see hypre upstream issue #955
+ARCH_NO_CHECKPAR_LIST = ppc64el hurd-i386
+
+ifneq (,$(findstring $(space)$(DEB_HOST_ARCH)$(space), $(space)$(ARCH_NO_CHECKPAR_LIST)$(space)))
+  RUN_CHECKPAR=no
+endif
+
+
 # Standard tolerance 1e-6 is too tight on many arches
 # so relax them to 1e-3
-ARCH_RELAX_TOL_LIST = arm64 i386 ppc64el s390x hppa powerpc ppc64
+ARCH_RELAX_TOL_LIST = arm64 i386 ppc64el riscv64 s390x hppa powerpc ppc64
 
 ifneq (,$(findstring $(space)$(DEB_HOST_ARCH)$(space), $(space)$(ARCH_RELAX_TOL_LIST)$(space)))
   RELAX_TOL = HYPRE_CHECKPAR_TOL=1e-3
@@ -200,6 +208,7 @@
 
 override_dh_auto_test:
 	set -e; \
+	  echo "max available processors nproc=`nproc`"; \
 	if [ "$(RUNTEST)" = "no" ]; then \
 	  echo Tests have been disabled on $(DEB_HOST_ARCH); \
 	else echo "=== Building tests ==="; \
@@ -211,8 +220,12 @@
 	    LD_LIBRARY_PATH=$${TEST_LD_LIBRARY_PATH} make check; \
 	    echo "== running make check (MPI -P 3 1 1) =="; \
 	    LD_LIBRARY_PATH=$${TEST_LD_LIBRARY_PATH} CHECKRUN="mpirun -n 3" PARMS='-P 3 1 1' make check; \
-	    echo "== running make checkpar =="; \
-	    LD_LIBRARY_PATH=$${TEST_LD_LIBRARY_PATH} make checkpar $(RELAX_TOL); \
+	    if [ "x$(RUN_CHECKPAR)" = "xno" ]; then \
+	      echo "== skipping make checkpar on $(DEB_HOST_ARCH) =="; \
+	    else \
+	      echo "== running make checkpar =="; \
+	      LD_LIBRARY_PATH=$${TEST_LD_LIBRARY_PATH} make checkpar $(RELAX_TOL); \
+	    fi; \
 	    cd ..; \
 	  done; \
 	fi
diff -Nru hypre-2.28.0/debian/tests/test-hypre-common hypre-2.28.0/debian/tests/test-hypre-common
--- hypre-2.28.0/debian/tests/test-hypre-common	2023-08-08 09:33:24.000000000 +0000
+++ hypre-2.28.0/debian/tests/test-hypre-common	2023-08-29 08:26:33.000000000 +0000
@@ -4,6 +4,8 @@
 export OMPI_MCA_plm_rsh_agent=/bin/false
 export OMPI_MCA_rmaps_base_oversubscribe=1
 
+echo "max available processors nproc=`nproc`"
+
 # don't have Makefile.config in runtime CI tests
 cd src${HYPRE_LIBNAME_EXT}
 cp Makefile Makefile.orig