diff --git a/scripts/run-regression-tests b/scripts/run-regression-tests
index cb9a4362d..b1c007b98 100755
--- a/scripts/run-regression-tests
+++ b/scripts/run-regression-tests
@@ -263,6 +263,7 @@ function patch_and_configure_kernel {
   kver="$(kernel_version "$1")"
   local patchfile="${outputdir}/scst-$1-kernel-matching-line-numbers.patch"
   local patchoutput="${outputdir}/patch-command-output-$1.txt"
+  local configureoutput="${outputdir}/configure-output.txt"
   local disable="				\
 CONFIG_BINARY_PRINTF				\
 CONFIG_BLK_DEV_IO_TRACE				\
@@ -315,7 +316,10 @@ CONFIG_X86_X32					\
   (
     cd "${outputdir}/linux-$1" &&
     if [ "${multiple_patches}" = "false" ]; then
-        patch -p1 -f -s <"${patchfile}" >"${patchoutput}"
+        if ! patch -p1 -f -s <"${patchfile}" >"${patchoutput}"; then
+	    echo "Error: applying ${patchfile} failed."
+	    exit 1
+	fi
     else
         rm -f "${patchoutput}"
         for p in "${outputdir}/${patchdir}"/*; do
@@ -326,7 +330,11 @@ CONFIG_X86_X32					\
     make -s allmodconfig &>"${outputdir}/make-config-output.txt" &&
     for c in $disable; do sed -i.tmp "s/^$c=[ym]\$/$c=n/" .config; done &&
     for c in $enable; do sed -i.tmp "s/^\(# \)*$c\(=.*\| is not set\)\$/$c=y/" .config; done &&
-    make -s oldconfig </dev/null &>/dev/null
+    make -s oldconfig </dev/null &>"${configureoutput}" &&
+    for c in $enable; do
+	grep -q "^$c=[ym]" .config ||
+	    echo "Enabling $c failed."
+    done
   )
 }
 
@@ -424,7 +432,7 @@ function run_smatch {
   kver="$(kernel_version "$1")"
   plevel="$(patchlevel "$1")"
   local outputfile="${outputdir}/smatch-$1-output.txt"
-  local disable="CONFIG_DYNAMIC_DEBUG"
+  local disable="" # "CONFIG_DYNAMIC_DEBUG"
   shift
 
   echo "Running smatch on the patched kernel in $* ..."
@@ -675,12 +683,21 @@ do
   if [ "${run_checkpatch}" = "true" ]; then
     run_checkpatch "$k"
   fi
-  patch_and_configure_kernel "$k"
+  patch_and_configure_kernel "$k" || continue
   case "$k" in
+      *^*)
+	  # CentOS.
+	  ;;
       2.*|3.*)
-	  # Tell the kernel that we are using gcc 4.6.
+	  # Tell the kernel that we are using gcc 4.6 since older kernel
+	  # versions do not suppor recent gcc versions.
 	  KCFLAGS="-U__GNUC__ -U__GNUC_MINOR__ -D__GNUC__=4 -D__GNUC_MINOR__=6"
   esac
+  case "$k" in
+      3.10.0-*)
+	  # Make the CentOS 7.x build less noisy.
+	  KCFLAGS+=" -Wno-deprecated-declarations";
+  esac
   # See also commit bd664f6b3e37 ("disable new gcc-7.1.1 warnings for now";
   # v4.13) and commit 6f303d60534c ("gcc-9: silence 'address-of-packed-member'
   # warning"; v5.1).