diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 48a5c719af..1f4c2e4e43 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -675,7 +675,7 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) {
                 }
                 line[i] = 0;
 
-                if (memcmp(line, field, l) == 0 && line[l] == '=') {
+                if (strneq(line, field, l) && line[l] == '=') {
                         value = strdup(line + l + 1);
                         if (!value)
                                 return -ENOMEM;
diff --git a/src/test/test-ipcrm.c b/src/test/test-ipcrm.c
index 551eba7215..463e135e2b 100644
--- a/src/test/test-ipcrm.c
+++ b/src/test/test-ipcrm.c
@@ -28,9 +28,11 @@ int main(int argc, char *argv[]) {
 
         r = get_user_creds(&name, &uid, NULL, NULL, NULL);
         if (r < 0) {
-                log_error_errno(r, "Failed to resolve \"%s\": %m", name);
-                return EXIT_FAILURE;
+                log_full_errno(r == -ESRCH ? LOG_NOTICE : LOG_ERR,
+                               r, "Failed to resolve \"%s\": %m", name);
+                return r == -ESRCH ? EXIT_TEST_SKIP : EXIT_FAILURE;
         }
 
-        return clean_ipc_by_uid(uid) < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+        r = clean_ipc_by_uid(uid);
+        return  r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
 }
diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
index 9ada46b1e9..7242b2c8b5 100644
--- a/src/test/test-process-util.c
+++ b/src/test/test-process-util.c
@@ -193,7 +193,14 @@ static void test_get_process_cmdline_harder(void) {
 
         fd = mkostemp(path, O_CLOEXEC);
         assert_se(fd >= 0);
-        assert_se(mount(path, "/proc/self/cmdline", "bind", MS_BIND, NULL) >= 0);
+
+        if (mount(path, "/proc/self/cmdline", "bind", MS_BIND, NULL) < 0) {
+                /* This happens under selinux… Abort the test in this case. */
+                log_warning_errno(errno, "mount(..., \"/proc/self/cmdline\", \"bind\", ...) failed: %m");
+                assert(errno == EACCES);
+                return;
+        }
+
         assert_se(unlink(path) >= 0);
 
         assert_se(prctl(PR_SET_NAME, "testa") >= 0);
diff --git a/test/test-functions b/test/test-functions
index c0128b8b00..fd7c198166 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -40,6 +40,9 @@ function find_qemu_bin() {
         # i386 version of QEMU
         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu 2>/dev/null | grep '^/' -m1)
         ;;
+    ppc64*)
+        [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-$ARCH 2>/dev/null | grep '^/' -m1)
+        ;;
     esac
 
     if [ ! -e "$QEMU_BIN" ]; then