Subject:   -68- 1.1 Bug perfly FP error messages in 5.0.1
Date: 8 Apr 1994 00:00:01 EST

  perfly prints the following error message(s) several times each
  frame:

      "Performer Info:FP division by zero"
      "Performer Info:FP infinity minus infinity"

  WORKAROUND:  This is caused by a bug in IRIS GL and is not a fatal
  error.  Run perfly with the "-n 2" option to disable these (and any
  other) informational messages.