Subject:   -55- 1.2 GLX on 4.0.5 Indigo, sample programs hang on
                startup.
Date: 8 Apr 1994 00:00:01 EST

  Some sample programs will hang on startup if in GLX mode.
  Workaround:  start up only in GL mode (e.g. do not use "perfly -x")
  or upgrade to IRIX 5.2.