diff options
Diffstat (limited to 'runsc')
| -rw-r--r-- | runsc/main.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/runsc/main.go b/runsc/main.go index 472839bf0..4f89312b3 100644 --- a/runsc/main.go +++ b/runsc/main.go @@ -192,7 +192,13 @@ func main() { cmd.Fatalf("error dup'ing fd %d to stderr: %v", f.Fd(), err) } - e = log.MultiEmitter{e, newEmitter(*debugLogFormat, f)} + if logFile == os.Stderr { + // Suppress logging to stderr when debug log is enabled. Otherwise all + // messages will be duplicated in the debug log (see Dup2() call above). + e = newEmitter(*debugLogFormat, f) + } else { + e = log.MultiEmitter{e, newEmitter(*debugLogFormat, f)} + } } else if *debugLog != "" { f, err := specutils.DebugLogFile(*debugLog, subcommand) if err != nil { |