Hi, After upgrading from numarray 1.1 (now 1.2.3) We get a Segmentation fault in our C++ program on Linux (python2.2,gcc2.95) , gdb says this: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1087498336 (LWP 8279)] 0x406d68d5 in PyObject_GetAttrString () from /usr/lib/libpython2.2.so.0.0 (gdb) where #0 0x406d68d5 in PyObject_GetAttrString () from /usr/lib/libpython2.2.so.0.0 #1 0x410f905e in deferred_libnumarray_init () at Src/libnumarraymodule.c:149 #2 0x410f98a8 in NA_NewAllFromBuffer (ndim=3, shape=0xbffff2e4, type=tFloat32, bufferObject=0x8a03988, byteoffset=0, <nl> bytestride=0, byteorder=0, aligned=1, writeable=1) at Src/ libnumarraymodule.c:636 #3 0x0805b159 in MyApp::OnInit (this=0x8108f50) at omx_app.cpp:519 #4 0x4026f616 in wxEntry () from /jws30/haase/PrLin0/wxGtkLibs/ libwx_gtk-2.4.so #5 0x0805a91a in main (argc=1, argv=0xbffff414) at omx_app.cpp:247 To initialize libnumarray I was using this: { // import_libnumarray(); { PyObject *module = PyImport_ImportModule("numarray.libnumarray"); if (!module) Py_FatalError("Can't import module 'numarray.libnumarray'"); if (module != NULL) { PyObject *module_dict = PyModule_GetDict(module); PyObject *c_api_object = PyDict_GetItemString(module_dict, "_C_API"); if (PyCObject_Check(c_api_object)) { libnumarray_API = (void **)PyCObject_AsVoidPtr(c_api_object); } else { Py_FatalError("Can't get API for module 'numarray.libnumarray'"); } } } } Any idea ? Thanks, Sebastian Haase