dbus-manager.c: log error, why switch-root is refused

diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index 1f5a7d94fd1603c6607af64337dd4d3a6c2f5c03..56b02a1cf5bd12db66e1982e7109798aa7f89179 100644 (file)
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -1503,8 +1503,11 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                 }
 
                 /* Safety check */
-                if (isempty(switch_root_init))
+                if (isempty(switch_root_init)) {
                         good = path_is_os_tree(switch_root);
+                        if (!good)
+                                log_error("Not switching root: %s does not seem to be an OS tree. /etc/os-release is missing.", switch_root);
+                }
                 else {
                         _cleanup_free_ char *p = NULL;
 
@@ -1513,6 +1516,8 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection,
                                 goto oom;
 
                         good = access(p, X_OK) >= 0;
+                        if (!good)
+                                log_error("Not switching root: cannot execute new init %s", p);
                 }
                 if (!good)
                         return bus_send_error_reply(connection, message, NULL, -EINVAL);