Have you checked to ensure your applications meet the criteria specified in http://www.nedprod.com/programs/gccvisibility.html?
Usually this problem is due to a failure to fully implement this. Or it's a bug in GCC :) Niall On 2 Dec 2010 at 18:05, Charles Solar wrote: > This happens in my application as well, dont know if its a known issue for > boost python or not.. > I too would like to see a solution; I myself have not had anytime to look > into it since exceptions are a rare thing in my app. > I can confirm however that a similar problem occurs on Solaris Sparcv9 > machines, so I am guessing it has something to do with how solaris handles > 64 bit exception handling. Something boost is not setup to handle I would > suppose. > > Charles > > On Thu, Dec 2, 2010 at 4:23 PM, Dane Springmeyer <bl...@hailmail.net> wrote: > > > Hello, > > > > I recently recompiled my C++ app (mapnik.org, which uses boost python for > > python binding) with -m64 flags for 64 bit operation and this broke the > > boost python exception handling. > > > > Instead of C++ exceptions being propagated to python exceptions, I get > > segmentation faults (core dump). > > > > I have a long dependency chain that all needs to be 64 bit, so I'm really > > stuck unless I can find a way to restore boost python's ability to handle > > exceptions without crashing. > > > > Exceptions are very common during setup of mapnik, and are needed to report > > basic configuration issues as a user gets set up. > > > > I'm desperate to try anything that might help - anyone have any > > suggestions? > > > > What i have tried so far: > > > > 1) recompiling all apps with -02 instead of -03 > > 2) making sure all apps are compiled with the exact same version of gcc (at > > least all the C++ libraries I have compiled from source) > > 3) ensured that all dynamic libraries link to the same libgcc_s.so.1 and > > libstdc++.so.6. > > 4) tried with both boost 1.44 and 1.45 > > > > I'm out of ideas - anyone have suggestions to try? > > > > More info below. > > > > Dane > > > > -------------- > > > > With 32bit boost, python, and mapnik, exceptions worked fine. > > > > This is on opensolaris: > > > > $ cat /etc/release > > OpenSolaris Development snv_133 X86 > > Copyright 2010 Sun Microsystems, Inc. All Rights Reserved. > > Use is subject to license terms. > > Assembled 15 February 2010 > > > > with the sun provided 64 bit python26: > > > > $ /usr/bin/amd64/python --version > > Python 2.6.4 > > > > Both boost and mapnik are compiled with a *custom* compiled gcc 44: > > > > $ /opt/ts/gcc/4.4/bin/g++ -v > > Using built-in specs. > > Target: i386-pc-solaris2.11 > > Configured with: .././configure --prefix=/opt/ts/gcc/4.4 > > --bindir=/opt/ts/gcc/4.4/bin --libdir=/opt/ts/gcc/4.4/lib > > --mandir=/opt/ts/gcc/4.4/share/man --datadir=/opt/ts/gcc/4.4/share > > --includedir=/opt/ts/gcc/4.4/include --infodir=/opt/ts/gcc/4.4/share/info > > --libexecdir=/opt/ts/gcc/4.4/lib --sysconfdir=/etc/opt/ts --disable-nls > > --disable-static --with-gnu-as --with-as=/usr/gnu/bin/as --without-gnu-ld > > --with-ld=/usr/ccs/bin/ld --enable-threads=posix --enable-shared > > --enable-multilib --enable-nls --without-x --with-system-zlib > > --enable-languages=c,c++,f95,objc --with-mpfr=/opt/ts --with-gmp=/opt/ts > > Thread model: posix > > gcc version 4.4.4 (GCC) > > > > ( I was unable to get boost compiled with the gcc 3.4.3 or gcc 4.3.3 > > provided by sun packages, for more info see: > > http://trac.mapnik.org/wiki/OpenSolarisInstallation/TroubleShooting) > > > > > > So, instead of throwing an understandable exception, boost python crashes > > and this is what a normal backtrace looks like in gbd: > > > > (gdb) bt > > #0 0x000000000005f666 in ?? () > > #1 0xfffffd7fff2ec5d1 in _Unwind_RaiseException_Body () from > > /usr/lib/amd64/libc.so.1 > > #2 0xfffffd7fff2ec855 in _Unwind_RaiseException () from > > /usr/lib/amd64/libc.so.1 > > #3 0xfffffd7ffa98bb39 in __cxa_throw (obj=<value optimized out>, > > tinfo=0x1, dest=0x474e5543432b2b00) > > at ../../../../.././libstdc++-v3/libsupc++/eh_throw.cc:78 > > #4 0xfffffd7ff3aa2de2 in boost::python::throw_error_already_set () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #5 0xfffffd7ff3a9ae31 in boost::python::objects::function::argument_error > > () from /usr/local/lib/libboost_python.so.1.44.0 > > #6 0xfffffd7ff3a9b4fb in boost::python::objects::function::call () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #7 0xfffffd7ff3a9b730 in > > boost::detail::function::void_function_ref_invoker0<boost::python::objects::(anonymous > > namespace)::bind_return, void>::invoke () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #8 0xfffffd7ff3aa3053 in > > boost::python::detail::exception_handler::operator() () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #9 0xfffffd7ff28fb1b2 in > > boost::detail::function::function_obj_invoker2<boost::_bi::bind_t<bool, > > boost::python::detail::translate_exception<std::exception, void > > (*)(std::exception const&)>, boost::_bi::list3<boost::arg<1>, boost::arg<2>, > > boost::_bi::value<void (*)(std::exception const&)> > >, bool, > > boost::python::detail::exception_handler const&, boost::function0<void> > > const&>::invoke () > > from /usr/local/lib/python2.6/site-packages/mapnik/64/_mapnik.so > > #10 0xfffffd7ff3aa2e25 in boost::python::handle_exception_impl () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #11 0xfffffd7ff3a97d50 in function_call () from > > /usr/local/lib/libboost_python.so.1.44.0 > > #12 0xfffffd7ff6ff9aad in PyObject_Call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #13 0xfffffd7ff700af29 in instancemethod_call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #14 0xfffffd7ff6ff9aad in PyObject_Call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #15 0xfffffd7ff705d8a1 in slot_tp_init () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #16 0xfffffd7ff7051c06 in type_call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #17 0xfffffd7ff6ff9aad in PyObject_Call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #18 0xfffffd7ff709c1c0 in do_call () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #19 0xfffffd7ff709b672 in call_function () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #20 0xfffffd7ff709810d in PyEval_EvalFrameExReal () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #21 0xfffffd7ff7094d9d in PyEval_EvalFrameEx () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #22 0xfffffd7ff709a27d in PyEval_EvalCodeEx () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #23 0xfffffd7ff7094caa in PyEval_EvalCode () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #24 0xfffffd7ff70bd385 in run_mod () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #25 0xfffffd7ff70bd27c in PyRun_StringFlags () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #26 0xfffffd7ff70bc53d in PyRun_SimpleStringFlags () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #27 0xfffffd7ff70ca5f0 in Py_Main () from > > /usr/lib/amd64/libpython2.6.so.1.0 > > #28 0x0000000000400b3c in _start () > > > > > > Here is the output of ldd for both the main mapnik library and the mapnik > > python bindings: > > > > $ ldd /usr/local/lib/libmapnik.so > > libfreetype.so.6 => /usr/lib/64/libfreetype.so.6 > > libltdl.so.3 => /usr/lib/64/libltdl.so.3 > > libpng12.so.0 => /usr/lib/64/libpng12.so.0 > > libtiff.so.3 => /usr/lib/64/libtiff.so.3 > > libz.so.1 => /lib/64/libz.so.1 > > libjpeg.so.62 => /usr/lib/64/libjpeg.so.62 > > libproj.so.0 => /usr/local/lib/libproj.so.0 > > libicuuc.so.44 => /usr/local/lib/libicuuc.so.44 > > libicui18n.so.44 => /usr/local/lib/libicui18n.so.44 > > libboost_filesystem.so.1.44.0 => > > /usr/local/lib/libboost_filesystem.so.1.44.0 > > libboost_regex.so.1.44.0 => > > /usr/local/lib/libboost_regex.so.1.44.0 > > libxml2.so.2 => /lib/64/libxml2.so.2 > > libboost_thread.so.1.44.0 => > > /usr/local/lib/libboost_thread.so.1.44.0 > > libboost_system.so.1.44.0 => > > /usr/local/lib/libboost_system.so.1.44.0 > > libstdc++.so.6 => /opt/ts/gcc/4.4/lib/amd64/libstdc++.so.6 > > libm.so.2 => /lib/64/libm.so.2 > > libgcc_s.so.1 => /opt/ts/gcc/4.4/lib/amd64/libgcc_s.so.1 > > libc.so.1 => /lib/64/libc.so.1 > > libdl.so.1 => /lib/64/libdl.so.1 > > libicudata.so.44 => /usr/local/lib/libicudata.so.44 > > libpthread.so.1 => /lib/64/libpthread.so.1 > > librt.so.1 => /lib/64/librt.so.1 > > libsocket.so.1 => /lib/64/libsocket.so.1 > > libnsl.so.1 => /lib/64/libnsl.so.1 > > libmp.so.2 => /lib/64/libmp.so.2 > > libmd.so.1 => /lib/64/libmd.so.1 > > libscf.so.1 => /lib/64/libscf.so.1 > > libuutil.so.1 => /lib/64/libuutil.so.1 > > libgen.so.1 => /lib/64/libgen.so.1 > > libsmbios.so.1 => /usr/lib/64/libsmbios.so.1 > > > > $ ldd /usr/local/lib/python2.6/site-packages/mapnik/64/_mapnik.so > > libmapnik.so => /usr/local/lib/libmapnik.so > > libpng12.so.0 => /usr/lib/64/libpng12.so.0 > > libjpeg.so.62 => /usr/lib/64/libjpeg.so.62 > > libboost_python.so.1.44.0 => > > /usr/local/lib/libboost_python.so.1.44.0 > > libstdc++.so.6 => /opt/ts/gcc/4.4/lib/amd64/libstdc++.so.6 > > libm.so.2 => /lib/64/libm.so.2 > > libgcc_s.so.1 => /opt/ts/gcc/4.4/lib/amd64/libgcc_s.so.1 > > libfreetype.so.6 => /usr/lib/64/libfreetype.so.6 > > libltdl.so.3 => /usr/lib/64/libltdl.so.3 > > libtiff.so.3 => /usr/lib/64/libtiff.so.3 > > libz.so.1 => /lib/64/libz.so.1 > > libproj.so.0 => /usr/local/lib/libproj.so.0 > > libicuuc.so.44 => /usr/local/lib/libicuuc.so.44 > > libicui18n.so.44 => /usr/local/lib/libicui18n.so.44 > > libboost_filesystem.so.1.44.0 => > > /usr/local/lib/libboost_filesystem.so.1.44.0 > > libboost_regex.so.1.44.0 => > > /usr/local/lib/libboost_regex.so.1.44.0 > > libxml2.so.2 => /lib/64/libxml2.so.2 > > libboost_thread.so.1.44.0 => > > /usr/local/lib/libboost_thread.so.1.44.0 > > libboost_system.so.1.44.0 => > > /usr/local/lib/libboost_system.so.1.44.0 > > libc.so.1 => /usr/lib/amd64/libc.so.1 > > librt.so.1 => /lib/64/librt.so.1 > > libdl.so.1 => /lib/64/libdl.so.1 > > libicudata.so.44 => /usr/local/lib/libicudata.so.44 > > libpthread.so.1 => /lib/64/libpthread.so.1 > > libsocket.so.1 => /lib/64/libsocket.so.1 > > libnsl.so.1 => /lib/64/libnsl.so.1 > > libmp.so.2 => /lib/64/libmp.so.2 > > libmd.so.1 => /lib/64/libmd.so.1 > > libscf.so.1 => /lib/64/libscf.so.1 > > libuutil.so.1 => /lib/64/libuutil.so.1 > > libgen.so.1 => /lib/64/libgen.so.1 > > libsmbios.so.1 => /usr/lib/64/libsmbios.so.1 > > > > Here is a simple way to prompt a segfault: > > > > $ /usr/bin/amd64/python > > Python 2.6.4 (r264:75706, Feb 14 2010, 14:06:28) [C] on sunos5 > > Type "help", "copyright", "credits" or "license" for more information. > > >>> import mapnik > > >>> m = mapnik.Map(256,256) > > >>> m > > <mapnik._mapnik.Map object at 0x55a1b0> > > # then, prompt a boost python argument error > > >>> m2 = mapnik.Map('foo') > > Segmentation Fault > > > > > > > > _______________________________________________ > > Cplusplus-sig mailing list > > Cplusplus-sig@python.org > > http://mail.python.org/mailman/listinfo/cplusplus-sig > > > -- Technology & Consulting Services - ned Productions Limited. http://www.nedproductions.biz/. 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