#0  memcpy () at ../sysdeps/x86_64/multiarch/../multiarch/memmove-vec-unaligned-erms.S:141
No locals.
#1  0x00007ff9cd3adf00 in id_for_surface (this=<optimized out>, surface=...) at ./src/server/shell/default_persistent_surface_store.cpp:85
No locals.
#2  0x00007ff9cd3e82a9 in persistent_id_for (this=<optimized out>, session=..., surface_id=...) at ./src/server/shell/frontend_shell.cpp:121
        scene_session = {<No data fields>}
        surface = {<No data fields>}
#3  0x00007ff9cd37ab17 in mir::frontend::SessionMediator::request_persistent_surface_id(mir::protobuf::SurfaceId const*, mir::protobuf::PersistentSurfaceId*, google::protobuf::Closure*) (this=0x7ff994009b10, request=<optimized out>, response=0x7ff9a8820f40, done=0x7ff994007c70) at ./src/server/frontend/session_mediator.cpp:1098
        session = {<No data fields>}
        __PRETTY_FUNCTION__ = "virtual void mir::frontend::SessionMediator::request_persistent_surface_id(const mir::protobuf::SurfaceId*, mir::protobuf::PersistentSurfaceId*, google::protobuf::Closure*)"
        buffer = <incomplete type>
#4  0x00007ff9cd328574 in mir::frontend::detail::invoke<mir::frontend::detail::ProtobufMessageProcessor, mir::frontend::detail::DisplayServer, mir::protobuf::DisplayServer, mir::protobuf::SurfaceId, mir::protobuf::PersistentSurfaceId>(mir::frontend::detail::ProtobufMessageProcessor*, mir::frontend::detail::DisplayServer*, void (mir::protobuf::DisplayServer::*)(mir::protobuf::SurfaceId const*, mir::protobuf::PersistentSurfaceId*, google::protobuf::Closure*), mir::frontend::detail::Invocation const&) [clone .constprop.239] (self=self@entry=0x7ff994009010, server=0x7ff994009b10, function=<optimized out>, invocation=...) at ./src/include/server/mir/frontend/template_protobuf_message_processor.h:77
        parameter_message = <incomplete type>
        result_message = <incomplete type>
        __PRETTY_FUNCTION__ = "void mir::frontend::detail::invoke(Self*, Server*, void (ServerX::*)(const ParameterMessage*, ResultMessage*, google::protobuf::Closure*), const mir::frontend::detail::Invocation&) [with Self = mir::f"...
#5  0x00007ff9cd389ffe in mir::frontend::detail::ProtobufMessageProcessor::dispatch(mir::frontend::detail::Invocation const&, std::vector<mir::Fd, std::allocator<mir::Fd> > const&) (this=0x7ff994009010, invocation=..., side_channel_fds=...) at ./src/server/frontend/protobuf_message_processor.cpp:344
        result = true
#6  0x00007ff9cd3a13d1 in on_new_message (this=this@entry=0x7ff9940092f0, error=...) at ./src/server/frontend/socket_connection.cpp:123
        invocation = {invocation = @0x7ff9cbc314b0}
        v = <optimized out>
        fds = {<No data fields>}
        __PRETTY_FUNCTION__ = "void mir::frontend::detail::SocketConnection::on_new_message(const boost::system::error_code&)"
#7  0x00007ff9cd3a1a28 in on_read_size (this=0x7ff9940092f0, error=...) at ./src/server/frontend/socket_connection.cpp:82
        __PRETTY_FUNCTION__ = "void mir::frontend::detail::SocketConnection::on_read_size(const boost::system::error_code&)"
        high_byte = <optimized out>
        low_byte = <optimized out>
        body_size = 42
#8  0x00007ff9cd3df760 in operator() () at /usr/include/c++/6/functional:2136
        __args#1 = <optimized out>
        __args#0 = @0x7ff9a8821ba0: {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}
        this = 0x7ff9a8821b80
#9  operator() (this=this@entry=0x7ff9a8821b50, ec=..., bytes_transferred=<optimized out>, start=start@entry=0) at /usr/include/boost/asio/impl/read.hpp:282
        n = <optimized out>
#10 0x00007ff9cd3dfb87 in operator() () at /usr/include/boost/asio/detail/bind_handler.hpp:127
        this = 0x7ff9a8821b50
#11 asio_handler_invoke () at /usr/include/boost/asio/handler_invoke_hook.hpp:69
        function = @0x7ff9a8821b50: {handler_ = {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}, arg1_ = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}, arg2_ = 2}
#12 invoke () at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
        function = @0x7ff9a8821b50: {handler_ = {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}, arg1_ = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}, arg2_ = 2}
#13 asio_handler_invoke () at /usr/include/boost/asio/impl/read.hpp:502
        function = @0x7ff9a8821b50: {handler_ = {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}, arg1_ = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}, arg2_ = 2}
#14 invoke () at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
        context = @0x7ff9a8821b50: {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}
        function = @0x7ff9a8821b50: {handler_ = {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}, arg1_ = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}, arg2_ = 2}
#15 do_complete (owner=0x7ff9ac106e60, base=0x7ff994009200) at /usr/include/boost/asio/detail/reactive_socket_recv_op.hpp:110
        o = 0x7ff994009200
        p = {h = 0x7ff9a8821b50, v = 0x0, p = 0x0}
        handler = {handler_ = {stream_ = @0x7ff994002f00, buffer_ = {data_ = 0x7ff994009328, size_ = 2}, start_ = 0, total_transferred_ = 2, handler_ = {_M_invoker = 0x7ff9cd39d040 <_M_invoke>}}, arg1_ = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}, arg2_ = 2}
#16 0x00007ff9cd3c2e2b in complete () at /usr/include/boost/asio/detail/task_io_service_operation.hpp:38
        bytes_transferred = 0
        ec = @0x7ff9a8821cb0: {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}
        owner = @0x7ff9ac106e60: {<> = {<> = {<> = {<No data fields>}, _vptr.service = 0x7ff9cd653cf0 <vtable for boost::asio::detail::task_io_service+16>, key_ = {type_info_ = 0x7ff9cd65b840 <typeinfo for boost::asio::detail::typeid_wrapper<boost::asio::detail::task_io_service>>, id_ = 0x0}, owner_ = @0x7ff9ac106828, next_ = 0x0}, <No data fields>}, one_thread_ = false, mutex_ = {mutex_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, wakeup_event_ = {cond_ = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}, state_ = 1}, task_ = 0x7ff9ac106f70, task_operation_ = {<No data fields>}, task_interrupted_ = true, outstanding_work_ = {<No data fields>}, op_queue_ = {front_ = 0x7ff9ac106ef8, back_ = 0x7ff9ac106ef8}, stopped_ = false, shutdown_ = false}
#17 boost::asio::detail::epoll_reactor::descriptor_state::do_complete(boost::asio::detail::task_io_service*, boost::asio::detail::task_io_service_operation*, boost::system::error_code const&, unsigned long) (owner=0x7ff9ac106e60, base=0x7ff994009160, ec=..., bytes_transferred=<optimized out>) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:651
        descriptor_data = 0x7ff994009160
        events = <optimized out>
#18 0x00007ff9cd3a0c8d in complete () at /usr/include/boost/asio/detail/task_io_service_operation.hpp:38
No locals.
#19 do_run_one (ec=..., this_thread=..., lock=<synthetic pointer>, this=0x7ff9ac106e60) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:372
        task_result = <optimized out>
        more_handlers = <optimized out>
#20 run (ec=..., this=0x7ff9ac106e60) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:149
        this_thread = {private_op_queue = {front_ = 0x0, back_ = 0x0}, private_outstanding_work = 0}
        ctx = {key_ = 0x7ff9ac106e60, value_ = 0x7ff9a8821cf0, next_ = 0x0}
        lock = {mutex_ = @0x7ff9ac106e90, locked_ = false}
        n = 1813
#21 _ZN5boost4asio10io_service3runEv.isra.210 () at /usr/include/boost/asio/impl/io_service.ipp:59
        ec = {m_val = 0, m_cat = 0x7ff9cb3630c8 <boost::system::system_category()::system_category_const>}
#22 operator() (__closure=0x7ff9ac108048) at ./src/server/frontend/published_socket_connector.cpp:162
        this = 0x7ff9ac106820
#23 _M_invoke () at /usr/include/c++/6/functional:1400
        this = 0x7ff9ac108048
#24 operator() () at /usr/include/c++/6/functional:1389
        this = 0x7ff9ac108048
#25 _M_run (this=0x7ff9ac108040) at /usr/include/c++/6/thread:196
No locals.
#26 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac108040) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {<std::_Tuple_impl<0ul, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1ul, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1ul, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0ul, std::thread::_State*, false>> = {_M_head_impl = 0x7ff9ac108040}, <No data fields>}, <No data fields>}}
#27 0x00007ff9d506370a in start_thread (arg=0x7ff9a8822700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff9a8822700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710250686208, 852142572682093484, 0, 140710577695439, 140710250686912, 140710250686208, -855620004686322772, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#28 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.