diff --git a/src/runtime/pkg/govmm/qemu/qemu.go b/src/runtime/pkg/govmm/qemu/qemu.go
index 420b5c45e8..f0beeb9c85 100644
--- a/src/runtime/pkg/govmm/qemu/qemu.go
+++ b/src/runtime/pkg/govmm/qemu/qemu.go
@@ -2705,9 +2705,14 @@ func (config *Config) appendQMPSockets() {
 	}
 }
 
-func (config *Config) appendDevices() {
+func (config *Config) appendDevices(logger QMPLog) {
+	if logger == nil {
+		logger = qmpNullLogger{}
+	}
+
 	for _, d := range config.Devices {
 		if !d.Valid() {
+			logger.Errorf("vm device is not valid: %+v", config.Devices)
 			continue
 		}
 
@@ -2982,7 +2987,7 @@ func LaunchQemu(config Config, logger QMPLog) (string, error) {
 	config.appendCPUModel()
 	config.appendQMPSockets()
 	config.appendMemory()
-	config.appendDevices()
+	config.appendDevices(logger)
 	config.appendRTC()
 	config.appendGlobalParam()
 	config.appendPFlashParam()
diff --git a/src/runtime/pkg/govmm/qemu/qemu_test.go b/src/runtime/pkg/govmm/qemu/qemu_test.go
index 501c07fdf1..01ca765c50 100644
--- a/src/runtime/pkg/govmm/qemu/qemu_test.go
+++ b/src/runtime/pkg/govmm/qemu/qemu_test.go
@@ -34,7 +34,7 @@ func testConfigAppend(config *Config, structure interface{}, expected string, t
 
 	case Device:
 		config.Devices = []Device{s}
-		config.appendDevices()
+		config.appendDevices(nil)
 
 	case Knobs:
 		config.Knobs = s
@@ -889,7 +889,7 @@ func TestBadQMPSockets(t *testing.T) {
 
 func TestBadDevices(t *testing.T) {
 	c := &Config{}
-	c.appendDevices()
+	c.appendDevices(nil)
 	if len(c.qemuParams) != 0 {
 		t.Errorf("Expected empty qemuParams, found %s", c.qemuParams)
 	}
@@ -941,7 +941,7 @@ func TestBadDevices(t *testing.T) {
 		},
 	}
 
-	c.appendDevices()
+	c.appendDevices(nil)
 	if len(c.qemuParams) != 0 {
 		t.Errorf("Expected empty qemuParams, found %s", c.qemuParams)
 	}