"Detect CPU count: %d\n" is an informative message, not an error report. Set its debug mask to DEBUG_INFO. Cc: Eric Dong <eric.dong@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Dong <eric.dong@intel.com>