diff --git a/src/runtime/runtime-gdb_test.go b/src/runtime/runtime-gdb_test.go
index 9c54d68949..d4eada51af 100644
--- a/src/runtime/runtime-gdb_test.go
+++ b/src/runtime/runtime-gdb_test.go
@@ -55,6 +55,7 @@ func checkGdbEnvironment(t *testing.T) {
 	case "plan9":
 		t.Skip("there is no gdb on Plan 9")
 	}
+		t.Skip("gdb tests do not work under gentoo portage")
 }
 
 func checkGdbVersion(t *testing.T) {