Comment 24 for bug 421016

Here is a sum of the various workaround with graphic problems:

1) Update your graphic drivers

2)
From Scilab, try
usecanvas(%t)

3)
From Scilab, try
system_setproperty("jogl.gljpanel.nohw","");

4)
Try to start Scilab in "256-colour mode"

5) Wait for Scilab 5.4.0