. Thread 26 (LWP 4268): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 No locals. #1 0x00007ff9d2a4f28a in g_cond_wait_until () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d29dde89 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d2a31cd6 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007ff9d2a31305 in g_thread_proxy () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007ff9d506370a in start_thread (arg=0x7ff963299700) at pthread_create.c:333 __res = pd = 0x7ff963299700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709087254272, 852142572682093484, 0, 140709582821151, 140709087254976, 140709087254272, -855211737443195988, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 25 (LWP 3764): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09d62 in g_main_loop_run () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9c985b810 in operator() (__closure=0x565489b41448) at ./libubuntu-app-launch/glib-thread.cpp:61 context = {> = {_M_ptr = , _M_refcount = {_M_pi = 0x7ff99c032eb0}}, } loop = {> = {_M_ptr = , _M_refcount = {_M_pi = 0x7ff99c0130f0}}, } pair = {first = {> = {_M_ptr = 0x7ff99c020a40, _M_refcount = {_M_pi = 0x7ff99c032eb0}}, }, second = {> = {_M_ptr = 0x7ff99c032c70, _M_refcount = {_M_pi = 0x7ff99c0130f0}}, }} this = 0x565489a086e8 flag = {> = {_M_ptr = 0x5654899d36e0, _M_refcount = {_M_pi = 0x5654899d36d0}}, } context_promise = @0x7fffa8e39910: {_M_future = {> = {_M_ptr = 0x8, _M_refcount = {_M_pi = 0x74}}, }, _M_storage = {_M_t = {, std::shared_ptr<_GMainLoop> > >*, std::__future_base::_Result_base::_Deleter>> = {> = {> = { = {}, }, }, , std::shared_ptr<_GMainLoop> > >*, false>> = {_M_head_impl = 0x56548a1f6e30}, }, }}} afterLoop = {> = {}, = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x565489a086e0, _M_const_object = 0x565489a086e0, _M_function_pointer = 0x565489a086e0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x565489a086e0}, _M_pod_data = "\340\206\240\211TV\000\000\000\000\000\000\000\000\000"}, _M_manager = 0x7ff9c982a6e0 >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, _M_invoker = 0x7ff9c982b170 >::_M_invoke(const std::_Any_data &)>} beforeLoop = @0x7fffa8e39ae0: {> = {}, = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x56548a1f6e20, _M_const_object = 0x56548a1f6e20, _M_function_pointer = 0x56548a1f6e20, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x56548a1f6e20, this adjustment 170}, _M_pod_data = " n\037\212TV\000\000\252\000\000\000\000\000\000"}, _M_manager = 0x565488ddd650}, _M_invoker = 0x7fffa8e39b5f} #4 _M_invoke<> (this=0x565489b41448) at /usr/include/c++/6/functional:1400 No locals. #5 operator() (this=0x565489b41448) at /usr/include/c++/6/functional:1389 No locals. #6 std::thread::_State_impl, std::function)::()> >::_M_run(void) (this=0x565489b41440) at /usr/include/c++/6/thread:196 No locals. #7 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x565489b41440) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x565489b41440}, }, }} #8 0x00007ff9d506370a in start_thread (arg=0x7ff95c938700) at pthread_create.c:333 __res = pd = 0x7ff95c938700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140708976756480, 852142572682093484, 0, 140736026875935, 140708976757184, 140708976756480, -855171551044820052, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 24 (LWP 3749): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007ff9d5c8eb2b in QWaitCondition::wait(QMutex*, unsigned long) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #2 0x00007ff9d76f64f5 in QSGRenderThread::processEventsAndWaitForMore() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 No symbol table info available. #3 0x00007ff9d76f6dea in QSGRenderThread::run() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 No symbol table info available. #4 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d506370a in start_thread (arg=0x7ff95d93e700) at pthread_create.c:333 __res = pd = 0x7ff95d93e700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140708993558272, 852142572682093484, 0, 140736026877055, 140708993558976, 140708993558272, -855173755436784724, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 23 (LWP 3721): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d5ebb48f in QEventDispatcherGlib::processEvents(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #4 0x00007ff9d5e630fa in QEventLoop::exec(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d5c88d43 in QThread::exec() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #6 0x00007ff9d7685706 in QQuickPixmapReader::run() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 No symbol table info available. #7 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #8 0x00007ff9d506370a in start_thread (arg=0x7ff95f290700) at pthread_create.c:333 __res = pd = 0x7ff95f290700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709020108544, 852142572682093484, 1, 140736026809855, 140709020109248, 140709020108544, -855167749998763092, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 22 (LWP 3708): #0 0x00007ff9d53826f3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff986ab091f in boost::asio::detail::epoll_reactor::run (this=0x565489a8ada0, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392 timeout = events = {{events = 1, data = {ptr = 0x565489a8ae04, fd = -1985434108, u32 = 2309533188, u64 = 94921086774788}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}} , {events = 3617016980, data = {ptr = 0x7ff9, fd = 32761, u32 = 32761, u64 = 32761}}, {events = 0, data = {ptr = 0x15, fd = 21, u32 = 21, u64 = 21}}, {events = 3619228120, data = {ptr = 0xd796b39000007ff9, fd = 32761, u32 = 32761, u64 = 15534801395717799929}}, {events = 32761, data = {ptr = 0x7ff9d796b630, fd = -677988816, u32 = 3616978480, u64 = 140711040562736}}, {events = 3617019099, data = {ptr = 0x1500007ff9, fd = 32761, u32 = 32761, u64 = 90194345977}}, {events = 0, data = {ptr = 0x7ff9d796b630, fd = -677988816, u32 = 3616978480, u64 = 140711040562736}}, {events = 3619228120, data = {ptr = 0x66ffc95800007ff9, fd = 32761, u32 = 32761, u64 = 7421872090724204537}}, {events = 32761, data = {ptr = 0x7ff966ffc954, fd = 1728039252, u32 = 1728039252, u64 = 140709151623508}}, {events = 3617017441, data = {ptr = 0x7ff9, fd = 32761, u32 = 32761, u64 = 32761}}, {events = 0, data = {ptr = 0x7ff986a8a3e3, fd = -2035768349, u32 = 2259198947, u64 = 140709682783203}}, {events = 2259179984, data = {ptr = 0x66ffc95800007ff9, fd = 32761, u32 = 32761, u64 = 7421872090724204537}}, {events = 32761, data = {ptr = 0x7c8ad2ef, fd = 2089472751, u32 = 2089472751, u64 = 2089472751}}, {events = 32648011, data = {ptr = 0x2f00000000, fd = 0, u32 = 0, u64 = 201863462912}}, {events = 0, data = {ptr = 0x7ff9d796b630, fd = -677988816, u32 = 3616978480, u64 = 140711040562736}}, {events = 1728039472, data = {ptr = 0xd796b39000007ff9, fd = 32761, u32 = 32761, u64 = 15534801395717799929}}, {events = 32761, data = {ptr = 0x7ff966ffc954, fd = 1728039252, u32 = 1728039252, u64 = 140709151623508}}, {events = 1728039456, data = {ptr = 0xac02018000007ff9, fd = 32761, u32 = 32761, u64 = 12394470773744500729}}, {events = 32761, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 77, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7ff98872b938, fd = -2005747400, u32 = 2289219896, u64 = 140709712804152}}, {events = 1728039616, data = {ptr = 0x886c014000007ff9, fd = 32761, u32 = 32761, u64 = 9830233461032517625}}, {events = 32761, data = {ptr = 0x5, fd = 5, u32 = 5, u64 = 5}}, {events = 0, data = {ptr = 0x66ffcae800000000, fd = 0, u32 = 0, u64 = 7421873808711090176}}, {events = 32761, data = {ptr = 0x7ff9d79759e1, fd = -677946911, u32 = 3617020385, u64 = 140711040604641}}, {events = 31, data = {ptr = 0x886c014000000000, fd = 0, u32 = 0, u64 = 9830233461032484864}}, {events = 32761, data = {ptr = 0x5, fd = 5, u32 = 5, u64 = 5}}, {events = 0, data = {ptr = 0x100000000, fd = 0, u32 = 0, u64 = 4294967296}}, {events = 0, data = {ptr = 0x7ff98872b5e0, fd = -2005748256, u32 = 2289219040, u64 = 140709712803296}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2289219896, data = {ptr = 0x66ffca3000007ff9, fd = 32761, u32 = 32761, u64 = 7421873018437140473}}, {events = 32761, data = {ptr = 0x100000000, fd = 0, u32 = 0, u64 = 4294967296}}, {events = 2289219040, data = {ptr = 0x66ffca2000007ff9, fd = 32761, u32 = 32761, u64 = 7421872949717663737}}, {events = 32761, data = {ptr = 0x7ff986a8a3e3, fd = -2035768349, u32 = 2259198947, u64 = 140709682783203}}, {events = 2089472751, data = {ptr = 0xffffffff00000000, fd = 0, u32 = 0, u64 = 18446744069414584320}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 3616978312, data = {ptr = 0xd7b909d800007ff9, fd = 32761, u32 = 32761, u64 = 15544466412163596281}}, {events = 32761, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x86d6f70000000000, fd = 0, u32 = 0, u64 = 9716224825470484480}}, {events = 32761, data = {ptr = 0x565489a8ac28, fd = -1985434584, u32 = 2309532712, u64 = 94921086774312}}, {events = 2833463135, data = {ptr = 0x66ffd9c000007fff, fd = 32767, u32 = 32767, u64 = 7421890129586847743}}, {events = 32761, data = {ptr = 0x7ff966ffccd8, fd = 1728040152, u32 = 1728040152, u64 = 140709151624408}}, {events = 0, data = {ptr = 0xd797aba400000000, fd = 0, u32 = 0, u64 = 15535074160500801536}}, {events = 32761, data = {ptr = 0x5, fd = 5, u32 = 5, u64 = 5}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x10, fd = 16, u32 = 16, u64 = 16}}, {events = 1728039936, data = {ptr = 0xd7982f5f00007ff9, fd = 32761, u32 = 32761, u64 = 15535218999682957305}}, {events = 32761, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xffffffff00000000, fd = 0, u32 = 0, u64 = 18446744069414584320}}, {events = 4294967295, data = {ptr = 0xffffffffffffffff, fd = -1, u32 = 4294967295, u64 = 18446744073709551615}}, {events = 4294967295, data = {ptr = 0xffffffffffffffff, fd = -1, u32 = 4294967295, u64 = 18446744073709551615}}, {events = 4294967295, data = {ptr = 0xffffffffffffffff, fd = -1, u32 = 4294967295, u64 = 18446744073709551615}}, {events = 4294967295, data = {ptr = 0x15ffffffff, fd = -1, u32 = 4294967295, u64 = 94489280511}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 4294967295, data = {ptr = 0xffffffff, fd = -1, u32 = 4294967295, u64 = 4294967295}}, {events = 0, data = {ptr = 0xffffffffffffffff, fd = -1, u32 = 4294967295, u64 = 18446744073709551615}}, {events = 0, data = {ptr = 0xffffffff00000000, fd = 0, u32 = 0, u64 = 18446744069414584320}}, {events = 4294967295, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x6c00002000000000, fd = 0, u32 = 0, u64 = 7782220293535170560}}, {events = 32761, data = {ptr = 0x10, fd = 16, u32 = 16, u64 = 16}}, {events = 400, data = {ptr = 0x89a5744000000000, fd = 0, u32 = 0, u64 = 9918461572580114432}}, {events = 22100, data = {ptr = 0x7ff986d6efc8, fd = -2032734264, u32 = 2262233032, u64 = 140709685817288}}, {events = 1728040152, data = {ptr = 0xd52ffef800007ff9, fd = 32761, u32 = 32761, u64 = 15361777195089428473}}, {events = 32761, data = {ptr = 0x7ff98872b5e0, fd = -2005748256, u32 = 2289219040, u64 = 140709712803296}}, {events = 2289219040, data = {ptr = 0x7ff9, fd = 32761, u32 = 32761, u64 = 32761}}, {events = 0, data = {ptr = 0x7ff9d797e144, fd = -677912252, u32 = 3617055044, u64 = 140711040639300}}} num_events = check_timers = #2 0x00007ff986aae824 in do_run_one (ec=..., this_thread=..., lock=..., this=0x565489a8abd0) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:356 more_handlers = #3 run (ec=..., this=0x565489a8abd0) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:149 this_thread = { = { = {}, reusable_memory_ = 0x0}, private_op_queue = { = {}, front_ = 0x0, back_ = 0x0}, private_outstanding_work = 0} ctx = { = {}, key_ = 0x565489a8abd0, value_ = 0x7ff966ffccd0, next_ = 0x0} lock = { = {}, mutex_ = @0x565489a8ac00, locked_ = false} n = #4 run (this=0x565489a8ab88) at /usr/include/boost/asio/impl/io_service.ipp:59 ec = {m_val = 0, m_cat = 0x7ff9cb3630c8 } #5 (anonymous namespace)::exception_safe_run (service=...) at ./src/biometry/runtime.cpp:37 No locals. #6 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x565489a55050) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x565489a55050}, }, }} #7 0x00007ff9d506370a in start_thread (arg=0x7ff966ffd700) at pthread_create.c:333 __res = pd = 0x7ff966ffd700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709151627008, 852142572682093484, 0, 140736026851167, 140709151627712, 140709151627008, -855219006675344468, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 21 (LWP 3707): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007ff986aae8c8 in wait > (lock=..., this=0x565489a8ac28) at /usr/include/boost/asio/detail/posix_event.hpp:106 No locals. #2 do_run_one (ec=..., this_thread=..., lock=..., this=0x565489a8abd0) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:380 No locals. #3 run (ec=..., this=0x565489a8abd0) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:149 this_thread = { = { = {}, reusable_memory_ = 0x0}, private_op_queue = { = {}, front_ = 0x0, back_ = 0x0}, private_outstanding_work = 0} ctx = { = {}, key_ = 0x565489a8abd0, value_ = 0x7ff9677fdcd0, next_ = 0x0} lock = { = {}, mutex_ = @0x565489a8ac00, locked_ = true} n = #4 run (this=0x565489a8ab88) at /usr/include/boost/asio/impl/io_service.ipp:59 ec = {m_val = 0, m_cat = 0x7ff9cb3630c8 } #5 (anonymous namespace)::exception_safe_run (service=...) at ./src/biometry/runtime.cpp:37 No locals. #6 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x565489a5db50) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x565489a5db50}, }, }} #7 0x00007ff9d506370a in start_thread (arg=0x7ff9677fe700) at pthread_create.c:333 __res = pd = 0x7ff9677fe700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709160019712, 852142572682093484, 0, 140736026851167, 140709160020416, 140709160019712, -855220106723843156, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 20 (LWP 3252): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09d62 in g_main_loop_run () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9ca9c64e6 in gdbus_shared_thread_func () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007ff9d2a31305 in g_thread_proxy () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007ff9d506370a in start_thread (arg=0x7ff97b7fe700) at pthread_create.c:333 __res = pd = 0x7ff97b7fe700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709495564032, 852142572682093484, 0, 140709582821519, 140709495564736, 140709495564032, -855228902816865364, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 19 (LWP 3246): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d5ebb48f in QEventDispatcherGlib::processEvents(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #4 0x00007ff9d5e630fa in QEventLoop::exec(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d5c88d43 in QThread::exec() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #6 0x00007ff98cceff60 in DashCommunicator::run (this=0x565488774bf0) at ./plugins/Unity/DashCommunicator/dashcommunicator.cpp:57 No locals. #7 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #8 0x00007ff9d506370a in start_thread (arg=0x7ff981ca1700) at pthread_create.c:333 __res = pd = 0x7ff981ca1700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709601089280, 852142572682093484, 0, 140736026872815, 140709601089984, 140709601089280, -855568808139283540, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 18 (LWP 3228): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d5ebb48f in QEventDispatcherGlib::processEvents(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #4 0x00007ff9d5e630fa in QEventLoop::exec(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d5c88d43 in QThread::exec() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #6 0x00007ff9d7af1455 in QDBusConnectionManager::run() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 No symbol table info available. #7 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #8 0x00007ff9d506370a in start_thread (arg=0x7ff99bfff700) at pthread_create.c:333 __res = pd = 0x7ff99bfff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710040827648, 852142572682093484, 0, 140736026875183, 140710040828352, 140710040827648, -855581844438768724, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 17 (LWP 3226): #0 0x00007ff9d53826f3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9cd3c4d8f in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue&) (this=0x7ff9ac1077d0, block=, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392 timeout = events = {{events = 1, data = {ptr = 0x7ff9ac107828, fd = -1408206808, u32 = 2886760488, u64 = 140710310344744}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}} , {events = 0, data = {ptr = 0x200000000, fd = 0, u32 = 0, u64 = 8589934592}}, {events = 0, data = {ptr = 0x8, fd = 8, u32 = 8, u64 = 8}}, {events = 2835491744, data = {ptr = 0xa9022b9f00007ff9, fd = 32761, u32 = 32761, u64 = 12178344304263069689}}, {events = 32761, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xffff800656fdd461, fd = 1459475553, u32 = 1459475553, u64 = 18446603363450475617}}, {events = 0, data = {ptr = 0x200000000, fd = 0, u32 = 0, u64 = 8589934592}}, {events = 48, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x5b00000000, fd = 0, u32 = 0, u64 = 390842023936}}, {events = 110, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7700000000, fd = 0, u32 = 0, u64 = 511101108224}}, {events = 124, data = {ptr = 0x7ff9ac107708, fd = -1408207096, u32 = 2886760200, u64 = 140710310344456}}, {events = 3576667432, data = {ptr = 0x7ff9, fd = 32761, u32 = 32761, u64 = 32761}}, {events = 0, data = {ptr = 0x8, fd = 8, u32 = 8, u64 = 8}}, {events = 128, data = {ptr = 0xa000002000000000, fd = 0, u32 = 0, u64 = 11529215183507423232}}, {events = 32761, data = {ptr = 0x8, fd = 8, u32 = 8, u64 = 8}}, {events = 128, data = {ptr = 0xac10b8a000000000, fd = 0, u32 = 0, u64 = 12398612771485253632}}, {events = 32761, data = {ptr = 0x7ff9cd65efb8, fd = -848957512, u32 = 3446009784, u64 = 140710869594040}}, {events = 2886760200, data = {ptr = 0xd52ffef800007ff9, fd = 32761, u32 = 32761, u64 = 15361777195089428473}}, {events = 32761, data = {ptr = 0x5654885936c0, fd = -2007419200, u32 = 2287548096, u64 = 94921064789696}}, {events = 2287548096, data = {ptr = 0x5654, fd = 22100, u32 = 22100, u64 = 22100}}, {events = 0, data = {ptr = 0x7ff9d797e144, fd = -677912252, u32 = 3617055044, u64 = 140711040639300}}} num_events = check_timers = #2 0x00007ff9cd3a0985 in do_run_one (ec=..., this_thread=..., lock=, this=0x7ff9ac1076b0) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:356 more_handlers = #3 run (ec=..., this=0x7ff9ac1076b0) 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_ = 0x7ff9ac1076b0, value_ = 0x7ff9a9022cf0, next_ = 0x0} lock = {mutex_ = @0x7ff9ac1076e0, locked_ = } n = 0 #4 _ZN5boost4asio10io_service3runEv.isra.210 () at /usr/include/boost/asio/impl/io_service.ipp:59 ec = {m_val = 0, m_cat = 0x7ff9cb3630c8 } #5 operator() (__closure=0x7ff9ac1081f8) at ./src/server/frontend/published_socket_connector.cpp:162 this = 0x7ff9ac107620 #6 _M_invoke () at /usr/include/c++/6/functional:1400 this = 0x7ff9ac1081f8 #7 operator() () at /usr/include/c++/6/functional:1389 this = 0x7ff9ac1081f8 #8 _M_run (this=0x7ff9ac1081f0) at /usr/include/c++/6/thread:196 No locals. #9 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac1081f0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x7ff9ac1081f0}, }, }} #10 0x00007ff9d506370a in start_thread (arg=0x7ff9a9023700) at pthread_create.c:333 __res = pd = 0x7ff9a9023700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710259078912, 852142572682093484, 0, 140710577695439, 140710259079616, 140710259078912, -855621102587337812, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #11 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 16 (LWP 3225): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9cbc4d39c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 __timeout = -1 __nfds = 1 __fds = 0x7ff9a9823ca0 #2 (anonymous namespace)::dispatch_loop(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function const&) [clone .lto_priv.86] (name=..., thread_register=..., dispatcher=..., exception_handler=...) at ./src/common/dispatch/threaded_dispatcher.cpp:203 waiter = {fd = 39, events = 1, revents = 0} running = true thread_registrar = {deleter = {__thread_register = {}}, owner = true} __PRETTY_FUNCTION__ = "void {anonymous}::dispatch_loop(const string&, std::shared_ptr, std::shared_ptr, const std::function) 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::allocator >, std::shared_ptr, std::shared_ptr, std::function))(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function const&)> >::_M_run() (this=) at /usr/include/c++/6/thread:196 No locals. #6 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac1085a0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x7ff9ac1085a0}, }, }} #7 0x00007ff9d506370a in start_thread (arg=0x7ff9a9824700) at pthread_create.c:333 __res = pd = 0x7ff9a9824700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710267471616, 852142572682093484, 0, 140710577694767, 140710267472320, 140710267471616, -855622202635836500, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 15 (LWP 3224): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007ff9d590d52c in __gthread_cond_wait (__mutex=, __cond=__cond@entry=0x7ff9ac105cd0) at /build/gcc-6-m0fVix/gcc-6-6.2.0/build/x86_64-linux-gnu/libstdc++-v3/include/x86_64-linux-gnu/bits/gthr-default.h:864 No locals. #2 std::condition_variable::wait (this=this@entry=0x7ff9ac105cd0, __lock=...) at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:53 __e = #3 0x00007ff9cd37464b in operator() (this=0x7ff9ac105c90) at ./src/server/scene/threaded_snapshot_strategy.cpp:58 lock = {_M_device = 0x7ff9ac105ca8, _M_owns = true} #4 __invoke_impl () at /usr/include/c++/6/functional:218 No locals. #5 __invoke () at /usr/include/c++/6/functional:260 No locals. #6 operator() () at /usr/include/c++/6/functional:474 No locals. #7 _M_invoke () at /usr/include/c++/6/functional:1400 this = #8 operator() () at /usr/include/c++/6/functional:1389 this = #9 std::thread::_State_impl::_M_run (this=) at /usr/include/c++/6/thread:196 No locals. #10 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac105fa0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x7ff9ac105fa0}, }, }} #11 0x00007ff9d506370a in start_thread (arg=0x7ff9b8bea700) at pthread_create.c:333 __res = pd = 0x7ff9b8bea700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710523086592, 852142572682093484, 0, 140710577692943, 140710523087296, 140710523086592, -855654952835210324, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #12 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 14 (LWP 3733): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d5ebb48f in QEventDispatcherGlib::processEvents(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #4 0x00007ff9d5e630fa in QEventLoop::exec(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d5c88d43 in QThread::exec() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #6 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #7 0x00007ff9d506370a in start_thread (arg=0x7ff95d13d700) at pthread_create.c:333 __res = pd = 0x7ff95d13d700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140708985165568, 852142572682093484, 0, 140736026876511, 140708985166272, 140708985165568, -855172655388286036, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 13 (LWP 3223): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9cbc4d39c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 __timeout = -1 __nfds = 1 __fds = 0x7ff9b93eaca0 #2 (anonymous namespace)::dispatch_loop(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function const&) [clone .lto_priv.86] (name=..., thread_register=..., dispatcher=..., exception_handler=...) at ./src/common/dispatch/threaded_dispatcher.cpp:203 waiter = {fd = 24, events = 1, revents = 0} running = true thread_registrar = {deleter = {__thread_register = {}}, owner = true} __PRETTY_FUNCTION__ = "void {anonymous}::dispatch_loop(const string&, std::shared_ptr, std::shared_ptr, const std::function) 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::allocator >, std::shared_ptr, std::shared_ptr, std::function))(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function const&)> >::_M_run() (this=) at /usr/include/c++/6/thread:196 No locals. #6 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac0bc7a0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x7ff9ac0bc7a0}, }, }} #7 0x00007ff9d506370a in start_thread (arg=0x7ff9b93eb700) at pthread_create.c:333 __res = pd = 0x7ff9b93eb700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710531479296, 852142572682093484, 0, 140710577693119, 140710531480000, 140710531479296, -855656050736225364, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 12 (LWP 3719): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007ff9d5c8eb2b in QWaitCondition::wait(QMutex*, unsigned long) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #2 0x00007ff9d5c81d00 in QFutureInterfaceBase::waitForResult(int) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #3 0x00007ff97910faea in result (this=0x7ff963a996b0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qfuture.h:163 No locals. #4 QLightDM::GreeterImpl::converseWithPam (num_msg=, msg=, resp=0x7ff963a997a0, appdata_ptr=0x565489cbdea0) at ./plugins/LightDM/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:172 resp_item = 0x7ff97401a230 __for_range = @0x7ff963a99630: {d = 0x7ff97401a460} tmp_response = 0x7ff97401a230 appData = 0x565489cbdea0 impl = handle = count = responses = {d = 0x7ff97401a460} i = raise_error = false #5 0x00007ff978c9edf0 in pam_vprompt (pamh=0x565489cbba10, style=1, response=0x7ff963a99920, fmt=0x7ff964d39452 "%s", args=args@entry=0x7ff963a99820) at pam_vprompt.c:83 msg = {msg_style = 1, msg = 0x7ff97401a210 "Password: "} pam_resp = 0x0 pmsg = 0x7ff963a997c0 conv = 0x565489cbbbd0 convp = 0x565489cbbbd0 msgbuf = 0x7ff97401a210 "Password: " retval = #6 0x00007ff978c9f03a in pam_prompt (pamh=pamh@entry=0x565489cbba10, style=style@entry=1, response=response@entry=0x7ff963a99920, fmt=fmt@entry=0x7ff964d39452 "%s") at pam_vprompt.c:111 args = retval = #7 0x00007ff964d34677 in _unix_read_password (pamh=pamh@entry=0x565489cbba10, ctrl=ctrl@entry=276824064, comment=comment@entry=0x0, prompt1=0x7ff964d39286 "Password: ", prompt2=prompt2@entry=0x0, data_name=data_name@entry=0x7ff964d39291 "-UN*X-PASS", pass=0x7ff963a999b0) at support.c:962 replies = 1 resp = {0x0, 0x0} authtok_flag = 6 retval = token = 0x0 #8 0x00007ff964d315cc in pam_sm_authenticate (pamh=0x565489cbba10, flags=, argc=, argv=) at pam_unix_auth.c:160 ctrl = 276824064 retval = ret_data = 0x0 name = 0x565489cbbbb0 "pixel" p = 0x0 #9 0x00007ff978c99ea6 in _pam_dispatch_aux (use_cached_chain=, resumed=, h=0x565489cc6d90, flags=0, pamh=0x565489cbba10) at pam_dispatch.c:110 retval = cached_retval = action = depth = status = 6 prev_level = stack_level = impression = 0 skip_depth = 0 substates = 0x7ff9740162b0 #10 _pam_dispatch (pamh=pamh@entry=0x565489cbba10, flags=flags@entry=0, choice=choice@entry=1) at pam_dispatch.c:395 h = 0x565489cc6d90 retval = use_cached_chain = resumed = #11 0x00007ff978c9961d in pam_authenticate (pamh=0x565489cbba10, flags=flags@entry=0) at pam_auth.c:34 retval = #12 0x00007ff97910e4a3 in QLightDM::GreeterImpl::authenticateWithPam (pamHandle=@0x565489cc3e50: 0x565489cbba10) at ./plugins/LightDM/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:100 pamStatus = #13 0x00007ff97910e67e in operator() (u=@0x565489cc3e50: 0x565489cbba10, this=0x565489cd2458) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentfunctionwrappers.h:77 No locals. #14 runIteration (result=0x7ff974016298, it=..., this=0x565489cd2420) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:170 No locals. #15 QtConcurrent::MappedEachKernel::const_iterator, QtConcurrent::FunctionWrapper1 >::runIterations (this=0x565489cd2420, sequenceBeginIterator=..., begin=, end=1, results=) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:180 i = 0 it = {i = 0x565489cc3e50} #16 0x00007ff9791143ff in forThreadFunction (this=0x565489cd2420) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentiteratekernel.h:250 finalBlockSize = 1 currentBlockSize = resultsAvailable = blockSizeManager = {maxBlockSize = 0, beforeUser = 0, afterUser = 0, controlPartElapsed = {values = {4.6897249222051285e-310, 4.9406564584124654e-324, 6.9519530215335647e-310, 6.951953021656093e-310, 6.9520476171718896e-310, 4.9406564584124654e-324, 0}, currentMedian = 0, currentIndex = 0, valid = false, dirty = true}, userPartElapsed = {values = {4.9406564584124654e-324, -161.60350437383022, 4.6897249221959883e-310, 6.9520476172345866e-310, 6.9520478328701306e-310, 6.9519665659290208e-310, 6.9520478317436609e-310}, currentMedian = 0, currentIndex = 0, valid = false, dirty = true}, m_blockSize = 1} resultReporter = {currentResultCount = 1, threadEngine = 0x565489cd2420, vector = {d = 0x7ff974016280}} #17 QtConcurrent::IterateKernel::const_iterator, int>::threadFunction (this=0x565489cd2420) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentiteratekernel.h:212 No locals. #18 0x00007ff97a46ec2d in QtConcurrent::ThreadEngineBase::run() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Concurrent.so.5 No symbol table info available. #19 0x00007ff9d5c89f6f in QThreadPoolThread::run() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #20 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #21 0x00007ff9d506370a in start_thread (arg=0x7ff963a9a700) at pthread_create.c:333 __res = pd = 0x7ff963a9a700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709095646976, 852142572682093484, 0, 140736026848271, 140709095647680, 140709095646976, -855212837491694676, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #22 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 11 (LWP 3222): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9cbc4d39c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 __timeout = -1 __nfds = 1 __fds = 0x7ff9bb7fdca0 #2 (anonymous namespace)::dispatch_loop(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function 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 = {}}, owner = true} __PRETTY_FUNCTION__ = "void {anonymous}::dispatch_loop(const string&, std::shared_ptr, std::shared_ptr, const std::function) 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::allocator >, std::shared_ptr, std::shared_ptr, std::function))(std::__cxx11::basic_string, std::allocator > const&, std::shared_ptr, std::shared_ptr, std::function const&)> >::_M_run() (this=) at /usr/include/c++/6/thread:196 No locals. #6 0x00007ff9d591350f in std::execute_native_thread_routine (__p=0x7ff9ac005840) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83 __t = {_M_t = { >> = { >> = {, true>> = {> = {}, }, }, > = {_M_head_impl = 0x7ff9ac005840}, }, }} #7 0x00007ff9d506370a in start_thread (arg=0x7ff9bb7fe700) at pthread_create.c:333 __res = pd = 0x7ff9bb7fe700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710569305856, 852142572682093484, 0, 140710577692591, 140710569306560, 140710569305856, -855651115281931348, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 10 (LWP 3706): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d5ebb48f in QEventDispatcherGlib::processEvents(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #4 0x00007ff9d5e630fa in QEventLoop::exec(QFlags) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #5 0x00007ff9d5c88d43 in QThread::exec() () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #6 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #7 0x00007ff9d506370a in start_thread (arg=0x7ff967fff700) at pthread_create.c:333 __res = pd = 0x7ff967fff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709168412416, 852142572682093484, 0, 140736026874239, 140709168413120, 140709168412416, -855221204624858196, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 9 (LWP 3221): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9cd32eb21 in run (this=0x7ff9ac0031a0) at ./src/server/glib_main_loop.cpp:145 No locals. #4 0x00007ff9cd3356b0 in run (this=0x7ff9bbffeba0) at ./src/server/display_server.cpp:217 No locals. #5 mir::run_mir(mir::ServerConfiguration&, std::function, std::function const&) (config=..., init=..., terminator=...) at ./src/server/run_mir.cpp:110 server_ptr = 0x7ff9bbffeba0 main_loop = {} fatal_error_strategy = {old_fatal_error_handler = 0x7ff9cbc595a0 } server = {p = {_M_b = {_M_p = 0x7ff9ac003fb0}}} concurrent_calls = {} raii = {deleter = {}, owner = true} #6 0x00007ff9cd343026 in mir::Server::run() (this=0x5654885e55c0) at ./src/server/server.cpp:453 emergency_cleanup = {} composite_event_filter = {} #7 0x00007ff9cd6af30d in MirServerThread::run (this=0x5654885eca70) at ./src/platforms/mirserver/qmirserver_p.cpp:42 main_loop = {> = {_M_ptr = 0x7ff9ac0031a0, _M_refcount = {_M_pi = 0x7ff9ac003190}}, } #8 0x00007ff9d5c8dc68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_4dcBFE/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #9 0x00007ff9d506370a in start_thread (arg=0x7ff9bbfff700) at pthread_create.c:333 __res = pd = 0x7ff9bbfff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140710577698560, 852142572682093484, 1, 140736026877071, 140710577699264, 140710577698560, -855652213182946388, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #10 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 8 (LWP 3253): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9800e146d in dconf_gdbus_worker_thread (user_data=0x5654888d8230) at dconf-gdbus-thread.c:82 context = 0x5654888d8230 #4 0x00007ff9d2a31305 in g_thread_proxy () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007ff9d506370a in start_thread (arg=0x7ff97affd700) at pthread_create.c:333 __res = pd = 0x7ff97affd700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709487171328, 852142572682093484, 0, 140736026873727, 140709487172032, 140709487171328, -855227802768366676, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 7 (LWP 3251): #0 0x00007ff9d537610d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007ff9d2a099d6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ff9d2a09aec in g_main_context_iteration () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007ff9d2a09b31 in glib_worker_main () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007ff9d2a31305 in g_thread_proxy () from /tmp/apport_sandbox_4dcBFE/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007ff9d506370a in start_thread (arg=0x7ff97bfff700) at pthread_create.c:333 __res = pd = 0x7ff97bfff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140709503956736, 852142572682093484, 0, 140709582821167, 140709503957440, 140709503956736, -855230000717880404, -855471535498058836}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007ff9d53820ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. . Thread 6 (LWP 3220): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 No locals. #1 0x00007ff9cc7ae11c in futex (val3=0, uaddr2=0x0, timeout=0x0, val=0, op=0, uaddr=) at /usr/include/urcu/futex.h:65 No locals. #2 futex_async (op=0, val=0, timeout=0x0, uaddr2=0x0, val3=0, uaddr=) at /usr/include/urcu/futex.h:97 No locals. #3 wait_for_sessiond (sock_info=0x7ff9cca004a0 ) at lttng-ust-comm.c:1250 No locals. #4 ust_listener_thread (arg=0x7ff9cca004a0 ) at lttng-ust-comm.c:1302 sock_info = 0x7ff9cca004a0 sock = ret = prev_connect_failed = has_waited =