diff --git a/cli/kata-check.go b/cli/kata-check.go index 47c3b02bd4..b709fc5289 100644 --- a/cli/kata-check.go +++ b/cli/kata-check.go @@ -134,17 +134,25 @@ func getCPUFlags(cpuinfo string) string { // haveKernelModule returns true if the specified module exists // (either loaded or available to be loaded) func haveKernelModule(module string) bool { + kmodLog := kataLog.WithField("module", module) + // First, check to see if the module is already loaded path := filepath.Join(sysModuleDir, module) if katautils.FileExists(path) { return true } + // Only root can load modules + if os.Getuid() != 0 { + kmodLog.Error("Module is not loaded and it can not be inserted. Please consider running with sudo or as root") + return false + } + // Now, check if the module is unloaded, but available. // And modprobe it if so. cmd := exec.Command(modProbeCmd, module) if output, err := cmd.CombinedOutput(); err != nil { - kataLog.WithField("module", module).WithError(err).Warnf("modprobe insert module failed: %s", string(output)) + kmodLog.WithError(err).WithField("output", string(output)).Warnf("modprobe insert module failed") return false } return true