Chapter 7. Troubleshooting

• G.1 Problems starting pigi
  • Mr. Ptolemy window does not come up
  • pigi fails to start when put in the background
  • pigi fails to start up, giving shared library messages
  • tycho fails to start up, giving TCL_LIBRARY messages

• G.2 Common problems while running pigi
  • pxgraph fails to come up or displays a blank window
  • Old flowgraphs do not work (facets are inconsistent)
  • Ptolemy simulations do not stop
  • Multi-porthole galaxies fail
  • Star is a compiled-in star and cannot be dynamically loaded

• G.3 Window system problems
  • Error: ld.so: libXext.so.4: not found
  • pigi fails to start and gives a message about not finding fonts
  • Ptolemy startup window only has an OK button
  • Errors involving xedit
  • Emacs confuses .pl files with Prolog
  • Problems with the colormap
  • The window manager crashes
  • Problems with Mac X and Ptolemy

• G.4 Known bugs
  • G.4.1 Bugs in vem
  • G.4.2 Bugs in pigi
  • G.4.3 Bugs in tycho
  • G.4.4 Bugs in pxgraph

• G.5 Additional resources

• G.6 Submitting a bug report

• "Problems starting pigi" on page 7-179
• "Common problems while running pigi" on page 7-181
• "Window system problems" on page 7-182 The most recent version of this section can be found on the Ptolemy home page at http://ptolemy.eecs.berkeley.edu/.