> bash-4.1$ ldd /scratch/federicon/rez/packages/pyilmbase/2.0.1/CentOS-6.2/boost-1.44/python-2.6/lib64/python2.6/site-packages/imathmodule.so linux-vdso.so.1 => (0x00007fff24d3b000) libPyImath.so.2 => /scratch/federicon/rez/packages/pyilmbase/2.0.1//CentOS-6.2/boost-1.44/python-2.6/lib/libPyImath.so.2 (0x00007fd2f78b6000) libPyIex.so.2 => /scratch/federicon/rez/packages/pyilmbase/2.0.1//CentOS-6.2/boost-1.44/python-2.6/lib/libPyIex.so.2 (0x00007fd2f76b5000) libz.so.1 => /film/tools/packages/zlib/1.2.3/CentOS-6.2/gcc-4.1.2/lib/libz.so.1 (0x00007fd2f749f000) libImath-2_0.so.10 => /scratch/federicon/rez/packages/ilmbase/2.0.0//CentOS-6.2/gcc-4.1.2//lib/libImath-2_0.so.10 (0x00007fd2f728c000) libHalf.so.10 => /scratch/federicon/rez/packages/ilmbase/2.0.0//CentOS-6.2/gcc-4.1.2//lib/libHalf.so.10 (0x00007fd2f704a000) libIexMath-2_0.so.10 => /scratch/federicon/rez/packages/ilmbase/2.0.0//CentOS-6.2/gcc-4.1.2//lib/libIexMath-2_0.so.10 (0x00007fd2f6e47000) libIlmThread-2_0.so.10 => /scratch/federicon/rez/packages/ilmbase/2.0.0//CentOS-6.2/gcc-4.1.2//lib/libIlmThread-2_0.so.10 (0x00007fd2f6c3f000) libIex-2_0.so.10 => /scratch/federicon/rez/packages/ilmbase/2.0.0//CentOS-6.2/gcc-4.1.2//lib/libIex-2_0.so.10 (0x00007fd2f6a21000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fd2f67e6000) libboost_python-py26-mt-gcc412.so.1.44.0 => /film/tools/packages/boost/1.44.0/CentOS-6.2/gcc-4.1.2/python-2.6/lib/libboost_python-py26-mt-gcc412.so.1.44.0 (0x00007fd2f658a000) libpython2.6.so.1.0 => /usr/lib64/libpython2.6.so.1.0 (0x00007fd2f61d0000) libstdc++.so.6 => /film/tools/packages/stdlib/4.1.2//CentOS-6.2//lib/../lib64/libstdc++.so.6 (0x00007fd2f5ed2000) libm.so.6 => /lib64/libm.so.6 (0x00007fd2f5c4d000) libc.so.6 => /lib64/libc.so.6 (0x00007fd2f58bd000) libgcc_s.so.1 => /film/tools/packages/stdlib/4.1.2//CentOS-6.2//lib/../lib64/libgcc_s.so.1 (0x00007fd2f56b0000) /lib64/ld-linux-x86-64.so.2 (0x00000031d8c00000) libutil.so.1 => /lib64/libutil.so.1 (0x00007fd2f54ac000) libdl.so.2 => /lib64/libdl.so.2 (0x00007fd2f52a8000) librt.so.1 => /lib64/librt.so.1 (0x00007fd2f509f000) > bash-4.1$ $PYTHON_EXE Python 2.6.6 (r266:84292, Jun 18 2012, 14:18:47) [GCC 4.4.6 20110731 (Red Hat 4.4.6-3)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import imath Segmentation fault (core dumped)