.
Thread 13 (LWP 3045):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fe0bdf59f6a in g_cond_wait_until () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe0bdee8e69 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe0bdf3c9b6 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe0bdf3bfe5 in g_thread_proxy () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe0a5ffb700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0a5ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140602834401024, -4168635170167095700, 0, 140601962387887, 140602834401728, 140602834401024, 4172377906082578028, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 12 (LWP 2048):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0bdf149b6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe0bdf14acc in g_main_context_iteration () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe0c13c539f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fe0c136d00a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fe0c1192d43 in QThread::exec() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fe0c2ffd455 in QDBusConnectionManager::run() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
No symbol table info available.
#7  0x00007fe0c1197c68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007fe0c056d70a in start_thread (arg=0x7fe0a67fc700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0a67fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140602842793728, -4168635170167095700, 0, 140736308294879, 140602842794432, 140602842793728, 4172379005057334892, 4172453987496722028}, 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"
#9  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 11 (LWP 2069):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0bdf149b6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe0bdf14acc in g_main_context_iteration () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe07160d41d in dconf_gdbus_worker_thread (user_data=0x5614bb4e0dc0) at dconf-gdbus-thread.c:82
        context = 0x5614bb4e0dc0
#4  0x00007fe0bdf3bfe5 in g_thread_proxy () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe070f7a700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe070f7a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601944680192, -4168635170167095700, 0, 140736308293455, 140601944680896, 140601944680192, 4172278879705988716, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 10 (LWP 2248):
#0  0x00007fe0c088c6f3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe07659f91f in boost::asio::detail::epoll_reactor::run (this=0x5614bb830ad0, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
        timeout = <optimized out>
        events = {{events = 1, data = {ptr = 0x5614bb830b34, fd = -1149039820, u32 = 3145927476, u64 = 94647045262132}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}} <repeats 105 times>, {events = 0, data = {ptr = 0x200000000, fd = 0, u32 = 0, u64 = 8589934592}}, {events = 0, data = {ptr = 0x10, fd = 16, u32 = 16, u64 = 16}}, {events = 1409280864, data = {ptr = 0x53ffeb5f00007fe0, fd = 32736, u32 = 32736, u64 = 6052815217463689184}}, {events = 32736, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xffff801fac0014a1, fd = -1409280863, u32 = 2885686433, u64 = 18446603472250868897}}, {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 = 0x7fe053ffecd8, fd = 1409281240, u32 = 1409281240, u64 = 140601458683096}}, {events = 3229629736, data = {ptr = 0x7fe0, fd = 32736, u32 = 32736, u64 = 32736}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 3145925424, data = {ptr = 0x5614, fd = 22036, u32 = 22036, u64 = 22036}}, {events = 0, data = {ptr = 0x7fe0c057163f <__GI___pthread_mutex_unlock+63>, fd = -1068034497, u32 = 3226932799, u64 = 140603276334655}}, {events = 320, data = {ptr = 0xbb80e0c000000000, fd = 0, u32 = 0, u64 = 13511045997349830656}}, {events = 22036, data = {ptr = 0x7fe07685dfc8, fd = 1988485064, u32 = 1988485064, u64 = 140602037886920}}, {events = 1409281240, data = {ptr = 0xc0809ef800007fe0, fd = 32736, u32 = 32736, u64 = 13871261640290238432}}, {events = 32736, data = {ptr = 0x7fe0841af980, fd = -2078606976, u32 = 2216360320, u64 = 140602265762176}}, {events = 2216360320, data = {ptr = 0x7fe0, fd = 32736, u32 = 32736, u64 = 32736}}, {events = 0, data = {ptr = 0x7fe0c2e81144, fd = -1024978620, u32 = 3269988676, u64 = 140603319390532}}}
        num_events = <optimized out>
        check_timers = <optimized out>
#2  0x00007fe07659d824 in do_run_one (ec=..., this_thread=..., lock=..., this=0x5614bb830300) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:356
        more_handlers = <optimized out>
#3  run (ec=..., this=0x5614bb830300) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:149
        this_thread = {<boost::asio::detail::thread_info_base> = {<boost::asio::detail::noncopyable> = {<No data fields>}, reusable_memory_ = 0x0}, private_op_queue = {<boost::asio::detail::noncopyable> = {<No data fields>}, front_ = 0x0, back_ = 0x0}, private_outstanding_work = 0}
        ctx = {<boost::asio::detail::noncopyable> = {<No data fields>}, key_ = 0x5614bb830300, value_ = 0x7fe053ffecd0, next_ = 0x0}
        lock = {<boost::asio::detail::noncopyable> = {<No data fields>}, mutex_ = @0x5614bb830330, locked_ = false}
        n = <optimized out>
#4  run (this=0x5614bb8302b8) at /usr/include/boost/asio/impl/io_service.ipp:59
        ec = {m_val = 0, m_cat = 0x7fe0b63830c8 <boost::system::system_category()::system_category_const>}
#5  (anonymous namespace)::exception_safe_run (service=...) at ./src/biometry/runtime.cpp:37
No locals.
#6  0x00007fe0c0e1d50f in std::execute_native_thread_routine (__p=0x5614bb831230) 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 = 0x5614bb831230}, <No data fields>}, <No data fields>}}
#7  0x00007fe0c056d70a in start_thread (arg=0x7fe053fff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe053fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601458685696, -4168635170167095700, 0, 140736308270911, 140601458686400, 140601458685696, 4172215180509150828, 4172453987496722028}, 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  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 9 (LWP 2068):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0bdf149b6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe0bdf14d42 in g_main_loop_run () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe0b59e64e6 in gdbus_shared_thread_func () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe0bdf3bfe5 in g_thread_proxy () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe07205e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe07205e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601962391296, -4168635170167095700, 0, 140601979173023, 140601962392000, 140601962391296, 4172282060129271404, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 8 (LWP 2043):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0b6c3e39c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
        __timeout = -1
        __nfds = 1
        __fds = 0x7fe0ad680ca0
#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 = 22, 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  0x00007fe0b6c3ae9e 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  0x00007fe0c0e1d50f in std::execute_native_thread_routine (__p=0x7fe098304250) 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 = 0x7fe098304250}, <No data fields>}, <No data fields>}}
#7  0x00007fe0c056d70a in start_thread (arg=0x7fe0ad681700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0ad681700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140602958681856, -4168635170167095700, 0, 140602995814847, 140602958682560, 140602958681856, 4172394522237304428, 4172453987496722028}, 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  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 7 (LWP 2042):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0b6c3e39c in poll () at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
        __timeout = -1
        __nfds = 1
        __fds = 0x7fe0af1eaca0
#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  0x00007fe0b6c3ae9e 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  0x00007fe0c0e1d50f in std::execute_native_thread_routine (__p=0x7fe0980058c0) 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 = 0x7fe0980058c0}, <No data fields>}, <No data fields>}}
#7  0x00007fe0c056d70a in start_thread (arg=0x7fe0af1eb700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0af1eb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140602987427584, -4168635170167095700, 0, 140602995814383, 140602987428288, 140602987427584, 4172398530515533420, 4172453987496722028}, 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  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 6 (LWP 2247):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fe07659d8c8 in wait<boost::asio::detail::scoped_lock<boost::asio::detail::posix_mutex> > (lock=..., this=0x5614bb830358) at /usr/include/boost/asio/detail/posix_event.hpp:106
No locals.
#2  do_run_one (ec=..., this_thread=..., lock=..., this=0x5614bb830300) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:380
No locals.
#3  run (ec=..., this=0x5614bb830300) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:149
        this_thread = {<boost::asio::detail::thread_info_base> = {<boost::asio::detail::noncopyable> = {<No data fields>}, reusable_memory_ = 0x0}, private_op_queue = {<boost::asio::detail::noncopyable> = {<No data fields>}, front_ = 0x0, back_ = 0x0}, private_outstanding_work = 0}
        ctx = {<boost::asio::detail::noncopyable> = {<No data fields>}, key_ = 0x5614bb830300, value_ = 0x7fe058af5cd0, next_ = 0x0}
        lock = {<boost::asio::detail::noncopyable> = {<No data fields>}, mutex_ = @0x5614bb830330, locked_ = true}
        n = <optimized out>
#4  run (this=0x5614bb8302b8) at /usr/include/boost/asio/impl/io_service.ipp:59
        ec = {m_val = 0, m_cat = 0x7fe0b63830c8 <boost::system::system_category()::system_category_const>}
#5  (anonymous namespace)::exception_safe_run (service=...) at ./src/biometry/runtime.cpp:37
No locals.
#6  0x00007fe0c0e1d50f in std::execute_native_thread_routine (__p=0x5614bb830f60) 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 = 0x5614bb830f60}, <No data fields>}, <No data fields>}}
#7  0x00007fe0c056d70a in start_thread (arg=0x7fe058af6700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe058af6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601537292032, -4168635170167095700, 0, 140736308270911, 140601537292736, 140601537292032, 4172225757402988140, 4172453987496722028}, 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  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 5 (LWP 2039):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fe0b779f11c in futex (val3=0, uaddr2=0x0, timeout=0x0, val=0, op=0, uaddr=<optimized out>) at /usr/include/urcu/futex.h:65
No locals.
#2  futex_async (op=0, val=0, timeout=0x0, uaddr2=0x0, val3=0, uaddr=<optimized out>) at /usr/include/urcu/futex.h:97
No locals.
#3  wait_for_sessiond (sock_info=0x7fe0b79f34e0 <global_apps>) at lttng-ust-comm.c:1250
No locals.
#4  ust_listener_thread (arg=0x7fe0b79f34e0 <global_apps>) at lttng-ust-comm.c:1302
        sock_info = 0x7fe0b79f34e0 <global_apps>
        sock = <optimized out>
        ret = <optimized out>
        prev_connect_failed = <optimized out>
        has_waited = <optimized out>
        timeout = 4
        __func__ = "ust_listener_thread"
        __PRETTY_FUNCTION__ = "ust_listener_thread"
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe0b0e4f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0b0e4f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140603017197312, -4168635170167095700, 0, 140736308293087, 140603017198016, 140603017197312, 4172419784161197676, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 4 (LWP 2067):
#0  0x00007fe0c088010d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fe0bdf149b6 in g_main_context_iterate.isra () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe0bdf14acc in g_main_context_iteration () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe0bdf14b11 in glib_worker_main () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe0bdf3bfe5 in g_thread_proxy () from /tmp/apport_sandbox_A0tvSH/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe07285f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe07285f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601970784000, -4168635170167095700, 0, 140601979172671, 140601970784704, 140601970784000, 4172283161251511916, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 3 (LWP 2040):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fe0b779f11c in futex (val3=0, uaddr2=0x0, timeout=0x0, val=0, op=0, uaddr=<optimized out>) at /usr/include/urcu/futex.h:65
No locals.
#2  futex_async (op=0, val=0, timeout=0x0, uaddr2=0x0, val3=0, uaddr=<optimized out>) at /usr/include/urcu/futex.h:97
No locals.
#3  wait_for_sessiond (sock_info=0x7fe0b79f14a0 <local_apps>) at lttng-ust-comm.c:1250
No locals.
#4  ust_listener_thread (arg=0x7fe0b79f14a0 <local_apps>) at lttng-ust-comm.c:1302
        sock_info = 0x7fe0b79f14a0 <local_apps>
        sock = <optimized out>
        ret = <optimized out>
        prev_connect_failed = <optimized out>
        has_waited = <optimized out>
        timeout = 1000
        __func__ = "ust_listener_thread"
        __PRETTY_FUNCTION__ = "ust_listener_thread"
#5  0x00007fe0c056d70a in start_thread (arg=0x7fe0b064e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0b064e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140603008804608, -4168635170167095700, 0, 140736308293087, 140603008805312, 140603008804608, 4172418683038957164, 4172453987496722028}, 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"
#6  0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 2 (LWP 2037):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x00007fe0c1198a66 in QWaitCondition::wait(QMutex*, unsigned long) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#2  0x00007fe0c119780e in QThread::wait(unsigned long) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007fe0b869c496 in QMirServer::stop (this=this@entry=0x5614bb1f6bc0) at ./src/platforms/mirserver/qmirserver.cpp:73
        d = 0x5614bb1f6c60
#4  0x00007fe0b869c5f7 in QMirServer::~QMirServer (this=0x5614bb1f6bc0, __in_chrg=<optimized out>) at ./src/platforms/mirserver/qmirserver.cpp:47
No locals.
#5  0x00007fe0b869c609 in QMirServer::~QMirServer (this=0x5614bb1f6bc0, __in_chrg=<optimized out>) at ./src/platforms/mirserver/qmirserver.cpp:48
No locals.
#6  0x00007fe0b86b6950 in cleanup (pointer=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
No locals.
#7  ~QScopedPointer (this=0x5614bb1cc530, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:101
        oldD = <optimized out>
#8  MirServerIntegration::~MirServerIntegration (this=0x5614bb1cc510, __in_chrg=<optimized out>) at ./src/platforms/mirserver/mirserverintegration.cpp:81
No locals.
#9  0x00007fe0b86b69b9 in MirServerIntegration::~MirServerIntegration (this=0x5614bb1cc510, __in_chrg=<optimized out>) at ./src/platforms/mirserver/mirserverintegration.cpp:84
No locals.
#10 0x00007fe0c1c238d3 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#11 0x00007fe0c1c23a69 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#12 0x00007fe0c13a41d7 in QObject::~QObject() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007fe0c1370dd6 in QCoreApplication::~QCoreApplication() () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#14 0x00005614b9bf3bf9 in ShellApplication::~ShellApplication (this=0x5614bb1c6ef0, __in_chrg=<optimized out>) at ./src/ShellApplication.cpp:133
No locals.
#15 0x00005614b9bf27ae in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:47
        isMirServer = <optimized out>
        application = 0x5614bb1c6ef0
        signalHandler = {<QObject> = {<No data fields>}, static staticMetaObject = {d = {superdata = 0x7fe0c15b2880 <QObject::staticMetaObject>, stringdata = 0x5614b9c015a0 <qt_meta_stringdata_UnixSignalHandler>, data = 0x5614b9c01500 <qt_meta_data_UnixSignalHandler>, static_metacall = 0x5614b9bff800 <UnixSignalHandler::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}, static sighupFd = {69, 70}, static sigintFd = <same as static member of an already seen type>, static sigtermFd = <same as static member of an already seen type>, m_func = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x28, _M_const_object = 0x28, _M_function_pointer = 0x28, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x28, this adjustment 29013830208}, _M_pod_data = "(\000\000\000\000\000\000\000@\352[\301\006\000\000"}, _M_manager = 0x5614b9bf29e0 <std::_Function_base::_Base_manager<main(int, char const**)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, _M_invoker = 0x5614b9bf2a00 <std::_Function_handler<void(), main(int, char const**)::<lambda()> >::_M_invoke(const std::_Any_data &)>}, m_socketNotifierHup = 0x5614bbb3f990, m_socketNotifierInt = 0x5614bbb3fcc0, m_socketNotifierTerm = 0x5614bbb3fec0}
        result = 0
.
Thread 1 (LWP 2041):
#0  0x00007fe0b7c19624 in dri2_destroy_surface (drv=0x7fe098284610, dpy=0x7fe0982836a0, surf=0x7fe098302790) at ../../../src/egl/drivers/dri2/egl_dri2.c:1370
No locals.
#1  0x00007fe0b7c11e85 in eglDestroySurface (dpy=0x7fe0982836a0, surface=<optimized out>) at ../../../src/egl/main/eglapi.c:899
        ret = <optimized out>
        __func__ = "eglDestroySurface"
#2  0x00007fe0b83da9d1 in __base_dtor  (this=0x7fe0982ac998) at ./src/server/graphics/nested/display.cpp:64
No locals.
#3  __base_dtor  (this=0x7fe0982ac930) at ./src/server/graphics/nested/display_buffer.cpp:94
No locals.
#4  0x00007fe0b83b3149 in _M_release (this=0x7fe0982ac920) at /usr/include/c++/6/bits/shared_ptr_base.h:150
        this = 0x7fe0982ac920
#5  __base_dtor () at /usr/include/c++/6/bits/shared_ptr_base.h:662
        this = <optimized out>
#6  __base_dtor () at /usr/include/c++/6/bits/shared_ptr_base.h:928
        this = <optimized out>
#7  __base_dtor () at /usr/include/c++/6/bits/shared_ptr.h:93
        this = <optimized out>
#8  mir::graphics::nested::detail::DisplaySyncGroup::__base_dtor () at ./src/server/graphics/nested/display.h:94
No locals.
#9  0x00007fe0b83d0729 in _M_release (this=0x7fe0983044f0) at /usr/include/c++/6/bits/shared_ptr_base.h:150
        this = 0x7fe0983044f0
#10 __base_dtor  () at /usr/include/c++/6/bits/shared_ptr_base.h:662
No locals.
#11 __base_dtor  () at /usr/include/c++/6/bits/shared_ptr_base.h:928
No locals.
#12 __base_dtor  () at /usr/include/c++/6/bits/shared_ptr.h:93
No locals.
#13 __base_dtor  () at /usr/include/c++/6/bits/stl_pair.h:147
No locals.
#14 destroy () at /usr/include/c++/6/ext/new_allocator.h:124
        this = <synthetic pointer>
#15 destroy () at /usr/include/c++/6/bits/alloc_traits.h:467
        __a = <synthetic pointer>
#16 std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> const, std::shared_ptr<mir::frontend::ClientBufferTracker> >, true> > >::_M_deallocate_node(std::__detail::_Hash_node<std::pair<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> const, std::shared_ptr<mir::frontend::ClientBufferTracker> >, true>*) [clone .isra.503] [clone .lto_priv.981] (__n=0x7fe0982842f0) at /usr/include/c++/6/bits/hashtable_policy.h:1971
No locals.
#17 0x00007fe0b83b45a8 in _M_deallocate_nodes () at /usr/include/c++/6/bits/hashtable_policy.h:1984
No locals.
#18 clear (this=0x7fe098283628) at /usr/include/c++/6/bits/hashtable.h:1901
No locals.
#19 std::_Hashtable<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int>, std::pair<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> const, std::shared_ptr<mir::frontend::ClientBufferTracker> >, std::allocator<std::pair<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> const, std::shared_ptr<mir::frontend::ClientBufferTracker> > >, std::__detail::_Select1st, std::equal_to<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> >, std::hash<mir::IntWrapper<mir::frontend::detail::SessionsBufferStreamIdTag, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable() [clone .lto_priv.1300] (this=0x7fe098283628) at /usr/include/c++/6/bits/hashtable.h:1227
No locals.
#20 0x00007fe0b83b4b51 in __base_dtor () at /usr/include/c++/6/bits/unordered_map.h:98
        this = 0x7fe098283628
#21 mir::graphics::nested::Display::__base_dtor (this=0x7fe0982835a0) at ./src/server/graphics/nested/display.cpp:204
No locals.
#22 0x00007fe0b831f16a in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() [clone .part.14] [clone .lto_priv.687] (this=0x7fe098283590) at /usr/include/c++/6/bits/shared_ptr_base.h:150
No locals.
#23 0x00007fe0b831fcf1 in __base_dtor  () at /usr/include/c++/6/bits/shared_ptr_base.h:662
No locals.
#24 __base_dtor  () at /usr/include/c++/6/bits/shared_ptr_base.h:928
No locals.
#25 __base_dtor  () at /usr/include/c++/6/bits/shared_ptr.h:93
No locals.
#26 __base_dtor  (this=0x7fe098003fb0) at ./src/server/display_server.cpp:44
No locals.
#27 __base_dtor  (this=<optimized out>) at ./src/server/display_server.cpp:200
No locals.
#28 0x00007fe0b83257a3 in mir::run_mir(mir::ServerConfiguration&, std::function<void (mir::DisplayServer&)>, std::function<void (int)> const&) (config=..., init=..., terminator=...) at ./src/server/run_mir.cpp:98
        server_ptr = 0x7fe0af9ebba0
        main_loop = {<No data fields>}
        fatal_error_strategy = {old_fatal_error_handler = 0x7fe0b6c4a5a0 <mir::fatal_error_abort(char const*, ...)>}
        server = {p = {_M_b = {_M_p = 0x7fe098003fb0}}}
        concurrent_calls = {<No data fields>}
        raii = {deleter = {<No data fields>}, owner = true}
#29 0x00007fe0b8333186 in mir::Server::run() (this=0x5614bb1f7150) at ./src/server/server.cpp:453
        emergency_cleanup = {<No data fields>}
        composite_event_filter = {<No data fields>}
#30 0x00007fe0b869d33d in MirServerThread::run (this=0x5614bb204370) at ./src/platforms/mirserver/qmirserver_p.cpp:42
        main_loop = {<std::__shared_ptr<mir::MainLoop, (__gnu_cxx::_Lock_policy)2>> = {_M_ptr = 0x7fe0980031a0, _M_refcount = {_M_pi = 0x7fe098003190}}, <No data fields>}
#31 0x00007fe0c1197c68 in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_A0tvSH/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#32 0x00007fe0c056d70a in start_thread (arg=0x7fe0af9ec700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fe0af9ec700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140602995820288, -4168635170167095700, 1, 140736308296767, 140602995820992, 140602995820288, 4172399629490290284, 4172453987496722028}, 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"
#33 0x00007fe0c088c0ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.