2012/4/5 Charles Lesire-Cabaniols <charles [dot] lesire [..] ...>

> Hi,
>
> I am facing a Segmentation Fault when loading my Lua scripts.
> I have reproduced it with the 'ping/pong' example which is in the
> LuaCookbook (section 9.2).
>
> The segfault appears when executing the launch_fsm.lua script (line 10 in
> deploy.lua)
>

The example works when launched with the deployer-gnulinux...

>
> The gdb backtrace is:
>
> OROCOS RTTLua 1.0-beta5 / Lua 5.1.4 (gnulinux)
> [New Thread 0xb572fb70 (LWP 5306)]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00512d87 in pthread_mutex_lock () from
> /lib/i386-linux-gnu/libpthread.so.0
> (gdb) bt
> #0 0x00512d87 in pthread_mutex_lock () from
> /lib/i386-linux-gnu/libpthread.so.0
> #1 0x00228c37 in rtos_mutex_lock (m=<optimized out>)
> at /home/lesire/work/autoproj/rtt/rtt/os/tlsf/../gnulinux/fosi.h:238
> #2 oro_rt_malloc (size=96) at
> /home/lesire/work/autoproj/rtt/rtt/os/tlsf/tlsf.c:632
> #3 0x08071c7d in allocate (n=1, this=<optimized out>)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/../internal/../os/oro_allocator.hpp:276
> #4 shared_count<RTT::internal::LocalOperationCaller > std::basic_string<char>&)>*,
> boost::detail::sp_ms_deleter<RTT::internal::LocalOperationCaller > std::basic_string<char>&)> >,
> RTT::os::rt_allocator<RTT::internal::LocalOperationCaller > std::basic_string<char>&)> > > (this=0xbfffdaf0,
> a=<optimized out>, d=access outside bounds of object referenced via
> synthetic pointer
> ) at /usr/include/boost/smart_ptr/detail/shared_count.hpp:159
> #5 shared_ptr<RTT::internal::LocalOperationCaller > std::basic_string<char>&)>,
> boost::detail::sp_ms_deleter<RTT::internal::LocalOperationCaller > std::basic_string<char>&)> >,
> RTT::os::rt_allocator<RTT::internal::LocalOperationCaller > std::basic_string<char>&)> > > (a=<optimized out>, d=access outside bounds
> of object referenced via synthetic pointer
> )
> at /usr/include/boost/smart_ptr/shared_ptr.hpp:205
> #6 boost::allocate_shared<RTT::internal::LocalOperationCaller > (std::string const&)>,
> RTT::os::rt_allocator<RTT::internal::LocalOperationCaller > const&)> >, RTT::internal::LocalOperationCaller<bool (std::string const&)>
> >(RTT::os::rt_allocator<RTT::internal::LocalOperationCaller > (std::string const&)> > const&, RTT::internal::LocalOperationCaller<bool
> (std::string const&)> const&) (a=..., a1=...)
> at /usr/include/boost/smart_ptr/make_shared.hpp:201
> #7 0x08071f9f in RTT::internal::LocalOperationCaller<bool (std::string
> const&)>::cloneRT() const (
> this=0x810d498)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/../internal/LocalOperationCaller.hpp:720#8
> 0x080719fe in RTT::internal::LocalOperationCallerImpl<bool(const
> std::basic_string<char, std::char_traits<---Type > <return> to quit---
> char>, std::allocator<char> >&)>::send_impl<std::basic_string > const&>(const std::basic_string<char, std::char_traits > std::allocator<char> > &) (this=0x810d498, a1=...)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/../internal/LocalOperationCaller.hpp:189
> #9 0x08073560 in call_impl<std::basic_string > out>, this=<optimized out>)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/../internal/LocalOperationCaller.hpp:377
> #10 RTT::internal::InvokerImpl<1, bool (std::string const&),
> RTT::internal::LocalOperationCallerImpl<bool (std::string const&)>
> >::call(std::string const&) (this=0x4, a1=...)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/../internal/Invoker.hpp:96
> #11 0x08074f66 in operator()<bool, bool (*)(bool
> (RTT::base::OperationCallerBase<bool(const
> std::basic_string<char>&)>::*)(const std::basic_string<char>&), const
> boost::fusion::cons<RTT::base::OperationCallerBase > std::basic_string<char>&)>*, boost::fusion::cons<const
> std::basic_string<char>&, boost::fusion::nil> >&), boost::_bi::list0>
> (this=0xbfffdcbc, f=<optimized out>, a=<optimized out>)
> at /usr/include/boost/bind/bind.hpp:303
> #12 operator() (this=0xbfffdcb8) at
> /usr/include/boost/bind/bind_template.hpp:20
> #13 exec<boost::_bi::bind_t > (RTT::base::OperationCallerBase<bool(const
> std::basic_string<char>&)>::*)(const std::basic_string<char>&), const
> boost::fusion::cons<RTT::base::OperationCallerBase > std::basic_string<char>&)>*, boost::fusion::cons<const
> std::basic_string<char>&, boost::fusion::nil> >&),
> boost::_bi::list2<boost::_bi::value > bool(const std::basic_string<char>&)>::*)(const std::basic_string<char>&)>,
> boost::_bi::value<boost::fusion::cons > std::basic_string<char>&)>*, boost::fusion::cons<const
> std::basic_string<char>&, boost::fusion::nil> > > > > > (f=access outside
> bounds of object referenced via synthetic pointer
> ) at
> /home/lesire/work/autoproj/install/include/rtt/internal/BindStorage.hpp:135
> #14 RTT::internal::FusedMCallDataSource<bool (std::string
> const&)>::evaluate() const (this=0x810d500)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/FusedFunctorDataSource.hpp:298
> #15 0x001e49b9 in RTT::internal::AssignCommand<bool, bool>::readArguments
> (this=0x810d448)
> at /home/lesire/work/autoproj/rtt/rtt/internal/AssignCommand.hpp:80
> #16 0x00258d33 in RTT::internal::DataSourceCommand::get (this=0x810d460)
> at /home/lesire/work/autoproj/rtt/rtt/internal/DataSourceCommand.cpp:62
> #17 0x0806abff in RTT::internal::DataSource<bool>::evaluate
> (this=0x810d460)
> at
> /home/lesire/work/autoproj/install/include/rtt/internal/DataSource.inl:54
> #18 0x00246771 in RTT::internal::OperationCallerC::call (this=0x810d0f8)
> at /home/lesire/work/autoproj/rtt/rtt/internal/OperationCallerC.cpp:214
> #19 0x08066d9b in __Operation_call (L=0x808ffe8) at
> /home/lesire/work/autoproj/ocl/lua/rtt.cpp:1393
> #20 Operation_call (L=0x808ffe8) at
> /home/lesire/work/autoproj/ocl/lua/rtt.cpp:1439
> #21 0x004819ce in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #22 0x0048c93b in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #23 0x00481de8 in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #24 0x0047c180 in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #25 0x0048109e in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #26 0x00481fc0 in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #27 0x0047d763 in lua_pcall () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #28 0x08075ea6 in docall (L=0x808ffe8, narg=0, clear=0) at
> /home/lesire/work/autoproj/ocl/lua/lua-repl.c:112
> #29 0x08076996 in handle_script (n=<optimized out>, argv=<optimized out>,
> L=<optimized out>)
> at /home/lesire/work/autoproj/ocl/lua/lua-repl.c:260
> #30 pmain (L=0x808ffe8) at
> /home/lesire/work/autoproj/ocl/lua/lua-repl.c:372
> #31 0x004819ce in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #32 0x00481d8b in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #33 0x0047c148 in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #34 0x0048109e in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #35 0x00481fc0 in ?? () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #36 0x0047d7ef in lua_cpcall () from /usr/lib/i386-linux-gnu/liblua5.1.so.0
> #37 0x08076a91 in main_args (L=0x808ffe8, argc=3, argv=0xbfffe724)
> at /home/lesire/work/autoproj/ocl/lua/lua-repl.c:411
> #38 0x0806a3c8 in lua_repl (argv=0xbfffe724, argc=3, this=0xbfffe568)
> at /home/lesire/work/autoproj/ocl/lua/LuaComponent.cpp:192
> #39 ORO_main_impl (argc=3, argv=0xbfffe724) at
> /home/lesire/work/autoproj/ocl/lua/LuaComponent.cpp:266
> #40 0x0805d84e in main (argc=3, argv=0xbfffe724) at
> /home/lesire/work/autoproj/ocl/lua/LuaComponent.cpp:247
>
>