In mono, if a thread from the thread pool uses the REngine, several errors about a limited stack size appear. This is described in section 8.1.5 of http://cran.r-project.org/doc/manuals/R-exts.pdf
One option is to disable the thread checking as described there, or check the stack size in .NET
One option is to disable the thread checking as described there, or check the stack size in .NET