Hi, this question was posted earlier here: http://www.cmake.org/pipermail/paraview/2009-March/011408.html I have tried running the tutorial example disk out ref.ex2 but volume rendering example makes PV hang. I have tried this out with PV 3.8 and 3.10 on debian squeeze 32 bit and PV3.10 on 64 bit (local run, no pvservers) pratik