diff --git a/cmd/minikube/cmd/start_flags.go b/cmd/minikube/cmd/start_flags.go
index 4cd92ce4b7..5472d691a5 100644
--- a/cmd/minikube/cmd/start_flags.go
+++ b/cmd/minikube/cmd/start_flags.go
@@ -220,14 +220,14 @@ func generateClusterConfig(cmd *cobra.Command, existing *config.ClusterConfig, k
 		cc = updateExistingConfigFromFlags(cmd, existing)
 	} else {
 		glog.Info("no existing cluster config was found, will generate one from the flags ")
-		sysLimit, containerLimit, err := memoryLimits(drvName)
-		if err != nil {
-			glog.Warningf("Unable to query memory limits: %v", err)
+		sysLimit, containerLimit, errs := memoryLimits(drvName)
+		if errs != nil {
+			glog.Warningf("Unable to query memory limits: %+v", errs)
 		}
 
 		mem := suggestMemoryAllocation(sysLimit, containerLimit, viper.GetInt(nodes))
 		if cmd.Flags().Changed(memory) {
-			mem, err = pkgutil.CalculateSizeInMB(viper.GetString(memory))
+			mem, err := pkgutil.CalculateSizeInMB(viper.GetString(memory))
 			if err != nil {
 				exit.WithCodeT(exit.Config, "Generate unable to parse memory '{{.memory}}': {{.error}}", out.V{"memory": viper.GetString(memory), "error": err})
 			}
diff --git a/pkg/minikube/machine/info.go b/pkg/minikube/machine/info.go
index e15e2363a7..fc7adf4c1f 100644
--- a/pkg/minikube/machine/info.go
+++ b/pkg/minikube/machine/info.go
@@ -110,7 +110,7 @@ var cachedSystemMemoryErr *error
 
 //  cachedSysMemLimit will return a cached limit for the system's virtual memory.
 func cachedSysMemLimit() (*mem.VirtualMemoryStat, error) {
-	if cachedSystemMemoryLimit == nil {
+	if cachedSystemMemoryLimit == nil || cachedSystemMemoryErr != nil {
 		v, err := mem.VirtualMemory()
 		cachedSystemMemoryLimit = v
 		cachedSystemMemoryErr = &err
@@ -123,7 +123,7 @@ var cachedDiskInfoeErr *error
 
 // cachedDiskInfo will return a cached disk usage info
 func cachedDiskInfo() (disk.UsageStat, error) {
-	if cachedDisk == nil {
+	if cachedDisk == nil || cachedDiskInfoeErr != nil {
 		d, err := disk.Usage("/")
 		cachedDisk = d
 		cachedDiskInfoeErr = &err
@@ -136,7 +136,7 @@ var cachedCPUErr *error
 
 //  cachedCPUInfo will return a cached cpu info
 func cachedCPUInfo() ([]cpu.InfoStat, error) {
-	if cachedCPU == nil {
+	if cachedCPU == nil || cachedCPUErr != nil {
 		i, err := cpu.Info()
 		cachedCPU = &i
 		cachedCPUErr = &err