platform/machine/qemu: add helpful hint to error message
@@ -99,7 +99,7 @@ func MakeDiskTemplate(inputPath, outputPath string) (result error) {
if _, err := os.Stat(mapperNode); !os.IsNotExist(err) {
return nil
}
- return fmt.Errorf("timed out waiting for device node")
+ return fmt.Errorf("timed out waiting for device node; did you specify a qcow image by mistake?")
})
if err != nil {
return err
