.
Thread 3 (LWP 4039):
#0  0x00007fa406ec1a4f in __libc_recv (fd=18, buf=0x5557102a1590, n=1272, flags=64) at ../sysdeps/unix/sysv/linux/x86_64/recv.c:28
        resultvar = 0
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        flags = 64
        n = 1272
        buf = 0x5557102a1590
        fd = 18
#1  0x00007fa40620c73f in recv () at /usr/include/x86_64-linux-gnu/bits/socket2.h:44
        __flags = 64
        __n = 1272
        __buf = 0x5557102a1590
        __fd = <optimized out>
#2  android::InputChannel::receiveMessage(android::InputMessage*) (this=0x5557102ad1c0, msg=msg@entry=0x5557102a1590) at ./3rd_party/android-input/android/frameworks/base/services/input/InputTransport.cpp:172
        nRead = <optimized out>
#3  0x00007fa406203d1e in android::InputConsumer::consume(android::InputEventFactoryInterface*, bool, std::chrono::duration<long, std::ratio<1l, 1000000000l> >, unsigned int*, android::InputEvent**) (this=<optimized out>, factory=factory@entry=0x5557102ad3c8, consumeBatches=consumeBatches@entry=true, frameTime=..., outSeq=outSeq@entry=0x7fa3f850d818, outEvent=outEvent@entry=0x7fa3f850d820) at ./3rd_party/android-input/android/frameworks/base/services/input/InputTransport.cpp:413
        result = <optimized out>
#4  0x00007fa408abb487 in process_and_maybe_send_event (this=0x5557102ad2e0) at ./src/client/input/android/android_input_receiver.cpp:174
        android_event = 0x0
        event_sequence_id = 0
        result = <optimized out>
        __PRETTY_FUNCTION__ = "void mir::input::receiver::android::InputReceiver::process_and_maybe_send_event()"
#5  0x00007fa4061f8cba in operator() () at /usr/include/c++/6/functional:2136
No locals.
#6  (anonymous namespace)::DispatchableAdaptor::dispatch(unsigned int) [clone .lto_priv.289] (this=this@entry=0x5557102accf0, events=<optimized out>) at ./src/common/dispatch/multiplexing_dispatchable.cpp:57
        this = 0x5557102accf0
#7  0x00007fa4061fa07f in mir::dispatch::MultiplexingDispatchable::dispatch(unsigned int) (this=0x5557102ad2e8, events=<optimized out>) at ./src/common/dispatch/multiplexing_dispatchable.cpp:210
        source = {<No data fields>}
        rearm_source = true
        event = {events = 17, data = {ptr = 0x5557102acd40, fd = 271240512, u32 = 271240512, u64 = 93832421756224}}
        __PRETTY_FUNCTION__ = "virtual bool mir::dispatch::MultiplexingDispatchable::dispatch(mir::dispatch::FdEvents)"
#8  0x00007fa4061fa07f in mir::dispatch::MultiplexingDispatchable::dispatch(unsigned int) (this=0x5557102acf40, events=<optimized out>) at ./src/common/dispatch/multiplexing_dispatchable.cpp:210
        source = {<No data fields>}
        rearm_source = false
        event = {events = 1, data = {ptr = 0x5557102ad000, fd = 271241216, u32 = 271241216, u64 = 93832421756928}}
        __PRETTY_FUNCTION__ = "virtual bool mir::dispatch::MultiplexingDispatchable::dispatch(mir::dispatch::FdEvents)"
#9  0x00007fa4062003b2 in (anonymous namespace)::dispatch_loop(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, std::function<void ()> const&) [clone .lto_priv.86] (name=..., thread_register=..., dispatcher=..., exception_handler=...) at ./src/common/dispatch/threaded_dispatcher.cpp:211
        waiter = {fd = 26, events = 1, revents = 1}
        running = true
        thread_registrar = {deleter = {__thread_register = {<No data fields>}}, owner = true}
        __PRETTY_FUNCTION__ = "void {anonymous}::dispatch_loop(const string&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, const std::function<void("...
#10 0x00007fa4061fce9e in _M_invoke (this=<optimized out>) at /usr/include/c++/6/functional:1400
No locals.
#11 operator() () at /usr/include/c++/6/functional:1389
No locals.
#12 std::thread::_State_impl<std::_Bind_simple<void (*(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::MultiplexingDispatchable>, std::function<void ()>))(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, std::function<void ()> const&)> >::_M_run() (this=<optimized out>) at /usr/include/c++/6/thread:196
No locals.
#13 0x00007fa40585350f in std::execute_native_thread_routine (__p=0x5557102ad040) 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 = 0x5557102ad040}, <No data fields>}, <No data fields>}}
#14 0x00007fa406eb870a in start_thread (arg=0x7fa3f850e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fa3f850e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140342222448384, 7995559232124749694, 0, 140735683472783, 140342222449088, 140342222448384, -7948256978237388930, -7944944486415726722}, 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"
#15 0x00007fa406bf20ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 2 (LWP 4037):
#0  0x00007fa406be610d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fa40620039c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
        __timeout = -1
        __nfds = 1
        __fds = 0x7fa4019d7ae0
#2  (anonymous namespace)::dispatch_loop(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, std::function<void ()> const&) [clone .lto_priv.86] (name=..., thread_register=..., dispatcher=..., exception_handler=...) at ./src/common/dispatch/threaded_dispatcher.cpp:203
        waiter = {fd = 12, events = 1, revents = 0}
        running = true
        thread_registrar = {deleter = {__thread_register = {<No data fields>}}, owner = true}
        __PRETTY_FUNCTION__ = "void {anonymous}::dispatch_loop(const string&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, const std::function<void("...
#3  0x00007fa4061fce9e in _M_invoke (this=<optimized out>) at /usr/include/c++/6/functional:1400
No locals.
#4  operator() () at /usr/include/c++/6/functional:1389
No locals.
#5  std::thread::_State_impl<std::_Bind_simple<void (*(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::MultiplexingDispatchable>, std::function<void ()>))(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<mir::dispatch::ThreadedDispatcher::ThreadShutdownRequestHandler>, std::shared_ptr<mir::dispatch::Dispatchable>, std::function<void ()> const&)> >::_M_run() (this=<optimized out>) at /usr/include/c++/6/thread:196
No locals.
#6  0x00007fa40585350f in std::execute_native_thread_routine (__p=0x55570fcdea60) 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 = 0x55570fcdea60}, <No data fields>}, <No data fields>}}
#7  0x00007fa406eb870a in start_thread (arg=0x7fa4019d8700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fa4019d8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140342378465024, 7995559232124749694, 0, 140735683469391, 140342378465728, 140342378465024, -7944932515710236802, -7944944486415726722}, 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"
#8  0x00007fa406bf20ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 1 (LWP 4028):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
        set = {__val = {0, 140342508268936, 140735683473344, 4294967296, 140342508268080, 140735683473328, 140342443390259, 252833149, 4294967295, 8098988873641245300, 140342463499736, 140342508273664, 6876827780418335343, 8245937412990725737, 8030826583233752380, 8316288548053805923}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007fa406b213ea in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x69617465645f6e6f, sa_sigaction = 0x69617465645f6e6f}, sa_mask = {__val = {8245935278388820588, 140342467413280, 3432, 1, 140342467413411, 140342467393728, 140342463980770, 11, 140342467413280, 140342508197608, 140342464486717, 2, 140342508200848, 93832424450960, 140342467417936, 140342508198528}}, sa_flags = 92431616, sa_restorer = 0x5557105124b8}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fa40582958d in __gnu_cxx::__verbose_terminate_handler () at ../../../../src/libstdc++-v3/libsupc++/vterminate.cc:95
        terminating = true
        t = <optimized out>
#3  0x00007fa405827336 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:47
No locals.
#4  0x00007fa405827381 in std::terminate () at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:57
No locals.
#5  0x00007fa4058275e9 in __cxxabiv1::__cxa_rethrow () at ../../../../src/libstdc++-v3/libsupc++/eh_throw.cc:125
        globals = <optimized out>
        header = <optimized out>
#6  0x00007fa408abeb21 in send_message (fds=..., invocation=..., body=..., this=0x55570fcddf60) at ./src/client/rpc/mir_protobuf_rpc_channel.cpp:257
        err = <optimized out>
        size = <optimized out>
        header_bytes = <optimized out>
        send_buffer = {<No data fields>}
#7  mir::client::rpc::MirProtobufRpcChannel::call_method(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, google::protobuf::MessageLite const*, google::protobuf::MessageLite*, google::protobuf::Closure*) (this=this@entry=0x55570fcddf60, method_name=..., parameters=parameters@entry=0x7fff946bb420, response=response@entry=0x55570fcde360, complete=complete@entry=0x555710508290) at ./src/client/rpc/mir_protobuf_rpc_channel.cpp:229
        fds = {<No data fields>}
        invocation = @0x7fff946bb300: <incomplete type>
#8  0x00007fa408ad2307 in mir::client::rpc::DisplayServer::release_buffer_stream(mir::protobuf::BufferStreamId const*, mir::protobuf::Void*, google::protobuf::Closure*) (this=<optimized out>, request=0x7fff946bb420, response=0x55570fcde360, done=0x555710508290) at ./src/client/rpc/mir_display_server.cpp:141
        __func__ = "release_buffer_stream"
#9  0x00007fa408ab6091 in release_buffer_stream (context=0x0, callback=0x0, stream=0x7fa3fc061918, this=0x55570fcdd4d0) at ./src/client/mir_connection.cpp:1097
        new_wait_handle = 0x555710515210
        buffer_stream_id = <incomplete type>
#10 mir_buffer_stream_release (buffer_stream=0x7fa3fc061918, callback=callback@entry=0x0, context=context@entry=0x0) at ./src/client/mir_buffer_stream_api.cpp:91
        bs = 0x7fa3fc061918
        connection = 0x55570fcdd4d0
#11 0x00007fa408ab611d in mir_buffer_stream_release_sync (buffer_stream=<optimized out>) at ./src/client/mir_buffer_stream_api.cpp:96
No locals.
#12 0x000055570d918728 in ?? ()
No symbol table info available.
#13 0x000055570d9e57e8 in ?? ()
No symbol table info available.
#14 0x000055570da41123 in FreeCursor ()
No symbol table info available.
#15 0x000055570da72392 in ?? ()
No symbol table info available.
#16 0x000055570da73606 in FreeClientResources ()
No symbol table info available.
#17 0x000055570da4ccff in CloseDownClient ()
No symbol table info available.
#18 0x000055570da4d910 in ?? ()
No symbol table info available.
#19 0x000055570da518a3 in ?? ()
No symbol table info available.
#20 0x00007fa406b0a3f1 in __libc_start_main (main=0x55570d914700, argc=7, argv=0x7fff946bb768, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff946bb758) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4297571415124342914, 93832378140432, 140735683475296, 0, 0, -7995360394706942082, -7944943877784991874}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff946bb7a8, 0x7fa40965a168}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1804879960}}}
        not_first_call = <optimized out>
#21 0x000055570d91473a in _start ()
No symbol table info available.