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| From: | Beckmann, Niklas |
| Subject: | Segmentation fault when adding a variable... |
| Date: | Fri, 31 Mar 2023 11:42:12 +0000 |
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Dear all,
I am currently facing a problem, where gunradio segfaults, when I add a certain variable into the flowchart. I created a little apache server, to share the according code of my module, where the segfault happens (/include & /lib cpp files):
Maybe there is something wrong with the code?
When I do a gdb backtrace, I get the following:
[New Thread 0x7fffe0c4f700 (LWP 172481)]
[Thread 0x7ffff087c700 (LWP 172476) exited]
[Thread 0x7fffdbfff700 (LWP 172479) exited]
[New Thread 0x7fffdbfff700 (LWP 172482)]
[New Thread 0x7ffff087c700 (LWP 172483)]
[Thread 0x7fffdbfff700 (LWP 172482) exited]
[Thread 0x7ffff087c700 (LWP 172483) exited]
--Type <RET> for more, q to quit, c to continue without paging--
Thread 1 "python" received signal SIGSEGV, Segmentation fault.
0x00007fffdaa52c6b in pybind11::detail::same_type (rhs=..., lhs=...)
at /usr/include/pybind11/detail/internals.h:55
55 inline bool same_type(const std::type_info &lhs, const std::type_info &rhs) { return lhs == rhs; }
(gdb) backtrace
#0 0x00007fffdaa52c6b in pybind11::detail::same_type(std::type_info const&, std::type_info const&) (rhs=..., lhs=...) at /usr/include/pybind11/detail/internals.h:55
#1 pybind11::detail::type_caster_base<gr::digital::packet_header_default>::src_and_type(gr::digital::packet_header_default const*)
(src="" <vtable for gr:mymodule::phy_header_impl+96>)
at /usr/include/pybind11/cast.h:852
#2 pybind11::detail::type_caster_base<gr::digital::packet_header_default>::cast_holder(gr::digital::packet_header_default const*, void const*)
(holder=0x7fffffff7cd0, src="" <vtable for gr::mymodule::phy_header_impl+96>) at /usr/include/pybind11/cast.h:877
#3 pybind11::detail::copyable_holder_caster<gr::digital::packet_header_default, std::shared_ptr<gr::digital::packet_header_default> >::cast(std::shared_ptr<gr::digital::packet_header_default> const&, pybind11::return_value_policy, pybind11::handle)
(src="" (use count 25760825, weak count -1) = {...}) at /usr/include/pybind11/cast.h:1466
#4 pybind11::cpp_function::initialize<pybind11::cpp_function::initialize<std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default, , pybind11::name, pybind11::is_method, pybind11::sibling, char const*>(std::shared_ptr<gr::digital::packet_header_default>
(gr::digital::packet_header_default::*)(), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(gr::digital::packet_header_default*)#1}, std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default*,
pybind11::name, pybind11::is_method, pybind11::sibling, char const*>(pybind11::cpp_function::initialize<std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default, , pybind11::name,--Type <RET> for more, q to quit, c --Type <RET>
for more, q to quit, c to continue without paging--
pybind11::is_method, pybind11::sibling, char const*>(std::shared_ptr<gr::digital::packet_header_default> (gr::digital::packet_header_default::*)(), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(gr::digital::packet_header_default*)#1}&&,
std::shared_ptr<gr::digital::packet_header_default> (*)(gr::digital::packet_header_default*), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(pybind11::detail::function_call&)#3}::operator()(pybind11::detail::function_call)
const (call=..., this=0x0)
at /usr/include/pybind11/pybind11.h:159
#5 pybind11::cpp_function::initialize<pybind11::cpp_function::initialize<std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default, , pybind11::name, pybind11::is_method, pybind11::sibling, char const*>(std::shared_ptr<gr::digital::packet_header_default>
(gr::digital::packet_header_default::*)(), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(gr::digital::packet_header_default*)#1}, std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default*,
pybind11::name, pybind11::is_method, pybind11::sibling, char const*>(pybind11::cpp_function::initialize<std::shared_ptr<gr::digital::packet_header_default>, gr::digital::packet_header_default, , pybind11::name, pybind11::is_method, pybind11::sibling, char
const*>(std::shared_ptr<gr::digital::packet_header_default> (gr::digital::packet_header_default::*)(), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(gr::digital::packet_header_default*)#1}&&, std::shared_ptr<gr::digital::packet_header_default>
(*)(gr::digital::packet_header_default*), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&, char const* const&)::{lambda(pybind11::detail::function_call&)#3}::_FUN(pybind11::detail::function_call) () at /usr/include/pybind11/pybind11.h:137
#6 0x00007fffda94bfcf in pybind11::cpp_function::dispatcher(_object*, _object*, _object*) (self=<optimized out>, args_in=0x7fffd952a1f0, kwargs_in=0x0) at /usr/include/pybind11/pybind11.h:624
#7 0x00000000005f6489 in PyCFunction_Call ()
#8 0x00000000005f7056 in _PyObject_MakeTpCall ()
#9 0x000000000050b993 in ()
#10 0x0000000000570ac2 in _PyEval_EvalFrameDefault ()
#11 0x0000000000569cea in _PyEval_EvalCodeWithName ()
#12 0x000000000068e7b7 in PyEval_EvalCode ()
#13 0x0000000000680001 in ()
#14 0x000000000068007f in ()
#15 0x00000000006801cf in PyRun_StringFlags ()
#16 0x000000000060138e in ()
#17 0x00000000005c52f0 in ()
#18 0x000000000056b9fd in _PyEval_EvalFrameDefault ()
#19 0x0000000000569cea in _PyEval_EvalCodeWithName ()
#20 0x00000000005f6a13 in _PyFunction_Vectorcall ()
#21 0x000000000056bbdf in _PyEval_EvalFrameDefault ()
#22 0x00000000005f6836 in _PyFunction_Vectorcall ()
#23 0x000000000056bbdf in _PyEval_EvalFrameDefault ()
#24 0x00000000005f6836 in _PyFunction_Vectorcall ()
#25 0x000000000056bbdf in _PyEval_EvalFrameDefault ()
#26 0x00000000005f6836 in _PyFunction_Vectorcall ()
#27 0x0000000000570ac2 in _PyEval_EvalFrameDefault ()
#28 0x00000000005f6836 in _PyFunction_Vectorcall ()
#29 0x000000000056bbdf in _PyEval_EvalFrameDefault ()
#30 0x0000000000569cea in _PyEval_EvalCodeWithName ()
#31 0x000000000050b2b0 in ()
#32 0x0000000000570ac2 in _PyEval_EvalFrameDefault ()
#33 0x0000000000569cea in _PyEval_EvalCodeWithName ()
#34 0x00000000005f6a13 in _PyFunction_Vectorcall ()
#35 0x000000000050b23c in ()
#36 0x00000000005f7807 in PyObject_CallObject ()
#37 0x00007ffff43bdf8e in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#38 0x00007ffff4200802 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#39 0x00007ffff4214814 in () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#40 0x00007ffff421f47d in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#41 0x00007ffff42200f3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#42 0x00007ffff2aa39b3 in () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#43 0x00007ffff2ab7677 in gtk_widget_send_focus_change () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#44 0x00007ffff2ab9760 in () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#45 0x00007ffff2ab99fa in () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#46 0x00007ffff4203f03 in g_cclosure_marshal_VOID__OBJECTv () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#47 0x00007ffff4200a56 in () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#48 0x00007ffff421fb48 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
I must admit, this looks a littlebit cryptic to me, as I am still a student... Does anyone has an idea how to fix that?
I am very thankful for every help, because I am really running out of ideas at the moment :) Best, N
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