diff --git a/ChangeLog b/ChangeLog
index 5ca6eff364..ba141361dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Jan 30 22:57:34 +0100 2009 Jim Meyering <meyering@redhat.com>
+
+	tests: diagnose open failure
+	* tests/qemuxml2argvtest.c (testCompareXMLToArgvFiles): Diagnose
+	failure to open an input file.
+
 Fri Jan 30 21:50:22 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
 
 	* src/domain_conf.c: Fix empty decl in enum declaration
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 90b474018c..1d7aeb9d7a 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -36,8 +36,10 @@ static int testCompareXMLToArgvFiles(const char *xml,
     virDomainDefPtr vmdef = NULL;
     virDomainObj vm;
 
-    if (virtTestLoadFile(cmd, &expectargv, MAX_FILE) < 0)
+    if (virtTestLoadFile(cmd, &expectargv, MAX_FILE) < 0) {
+        fprintf(stderr, "failed to open %s: %s\n", cmd, strerror (errno));
         goto fail;
+    }
 
     if (!(vmdef = virDomainDefParseFile(NULL, driver.caps, xml,
                                         VIR_DOMAIN_XML_INACTIVE)))