Hi,

I reported something very similar for v2.1.9 (see
http://sourceforge.net/mailarchive/forum.php?thread_name=AANLkTimOkRDv98e5ZcyzmJrzsdYq3%2B6iqAC7_FNk_p53%40mail.gmail.com&forum_name=rpy-list).

With RPy 2.2.0 alpha4, python 2.7.1, numpy 1.5.1, scipy 0.8.0 and R
2.12.1, all compiled with the Intel compiler suite (11.1) including
MKL, and running on Linux (OpenSuse 11.1), this happens:

   TCPC2069 (rpy2-alpha4) /homespace/grasppf>python
   Python 2.7.1 (r271:86832, Nov 30 2010, 12:31:54)
   [GCC Intel(R) C++ gcc 4.3 mode] on linux2
   Type "help", "copyright", "credits" or "license" for more information.
   >>> import numpy as np
   >>> import scipy.interpolate
   >>> import rpy2.robjects as ro
   >>> exit()
   Segmentation fault
   TCPC2069 (rpy2-alpha4) /homespace/grasppf>

On the other hand, when changing the order of imports,

   TCPC2069 (rpy2-alpha4) /homespace/grasppf>python
   Python 2.7.1 (r271:86832, Nov 30 2010, 12:31:54)
   [GCC Intel(R) C++ gcc 4.3 mode] on linux2
   Type "help", "copyright", "credits" or "license" for more information.
   >>> import numpy as np
   >>> import rpy2.robjects as ro
   >>> import scipy.interpolate
   >>> exit()
   TCPC2069 (rpy2-alpha4) /homespace/grasppf>

no segfault happens. With v2.2.0-alpha2, both variants worked fine.

Does anyone have an idea where I could try starting to debug RPy's C code?

Thanks,

   Christian

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