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306 | (gdb) t a a bt
Thread 22 (Thread 0xb380c410 (LWP 2286)):
#0 0xffffffff in syscall () at ../sysdeps/unix/sysv/linux/arm/syscall.S:37
#1 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/liblttng-ust.so.0
Thread 21 (Thread 0xb300c410 (LWP 2287)):
#0 0xffffffff in syscall () at ../sysdeps/unix/sysv/linux/arm/syscall.S:37
#1 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/liblttng-ust.so.0
Thread 20 (Thread 0xb24ff410 (LWP 2307)):
#0 0xffffffff in __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:46
#1 0xffffffff in __pthread_cond_wait (cond=0xafedfa90, mutex=0xafedfa78) at pthread_cond_wait.c:186
#2 0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (time=4294967295, this=0xafedfa78) at thread/qwaitcondition_unix.cpp:128
#3 0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=mutex@entry=0xafe55538, time=time@entry=4294967295)
at thread/qwaitcondition_unix.cpp:200
#4 0xffffffff in QSemaphore::acquire(int) (this=this@entry=0xb24feb04, n=n@entry=1) at thread/qsemaphore.cpp:137
#5 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) (sender=0xb1c05f3c, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0)
at kernel/qobject.cpp:3685
#6 0xffffffff in QtCompositor::stop() () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#7 0xffffffff in mir::scene::MediatingDisplayChanger::apply_config(std::shared_ptr<mir::graphics::DisplayConfiguration> const&, mir::DisplayChanger::SystemStateHandling) (revert=..., apply=..., this=0xb24feb84) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/scene/mediating_display_changer.cpp:46
#8 0xffffffff in mir::scene::MediatingDisplayChanger::apply_config(std::shared_ptr<mir::graphics::DisplayConfiguration> const&, mir::DisplayChanger::SystemStateHandling) (this=this@entry=0xafed989c, conf=std::shared_ptr (count 2, weak 0) 0x2295078, pause_resume_system=<optimized out>)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/scene/mediating_display_changer.cpp:199
#9 0xffffffff in mir::scene::MediatingDisplayChanger::apply_base_config(mir::DisplayChanger::SystemStateHandling) (this=0xafed989c, pause_resume_system=pause_resume_system@entry=mir::DisplayChanger::PauseResumeSystem) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/scene/mediating_display_changer.cpp:214
#10 0xffffffff in std::_Function_handler<void(), mir::scene::MediatingDisplayChanger::set_base_configuration(const std::shared_ptr<mir::graphics::DisplayConfiguration>&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__closure=0x2295118) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/scene/mediating_display_changer.cpp:280
#11 0xffffffff in std::_Function_handler<void(), mir::scene::MediatingDisplayChanger::set_base_configuration(const std::shared_ptr<mir::graphics::DisplayConfiguration>&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/4.9/functional:2039
#12 0xffffffff in std::_Function_handler<void(), mir::GLibMainLoop::enqueue(void const*, const ServerAction&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__closure=0x2295100) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/glib_main_loop.cpp:237
#13 0xffffffff in std::_Function_handler<void(), mir::GLibMainLoop::enqueue(void const*, const ServerAction&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/4.9/functional:2039
#14 0xffffffff in mir::detail::ServerActionGSource::dispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/glib_main_loop_sources.cpp:217
#15 0xffffffff in g_main_context_dispatch (context=0xb1c02aa0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3122
#16 0xffffffff in g_main_context_dispatch (context=context@entry=0xb1c02aa0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3737
#17 0xffffffff in g_main_context_iterate (context=context@entry=0xb1c02aa0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3808
#18 0xffffffff in g_main_context_iteration (context=0xb1c02aa0, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#19 0xffffffff in mir::GLibMainLoop::run() (this=0xb1c02948) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/glib_main_loop.cpp:145
#20 0xffffffff in mir::DisplayServer::run() (this=this@entry=0xb24fed18) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/display_server.cpp:200
#21 0xffffffff in mir::run_mir(mir::ServerConfiguration&, std::function<void (mir::DisplayServer&)>, std::function<void (int)> const&) (config=..., init=..., terminator=...) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/run_mir.cpp:110
#22 0xffffffff in mir::Server::run() (this=0x17f02d0) at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/server.cpp:393
#23 0xffffffff in MirServerThread::run() () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
---Type <return> to continue, or q <return> to quit---
#24 0xffffffff in QThreadPrivate::start(void*) (arg=0x17f4b88) at thread/qthread_unix.cpp:337
#25 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#26 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 19 (Thread 0xb1bff410 (LWP 2313)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libmircommon.so.5
#2 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libmircommon.so.5
#3 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#4 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#5 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 18 (Thread 0xafdff410 (LWP 2333)):
#0 0xffffffff in __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:46
#1 0xffffffff in __pthread_cond_wait (cond=0xafe551c8, mutex=0xafe55238) at pthread_cond_wait.c:186
#2 0xffffffff in ()
Thread 17 (Thread 0xaf5ff410 (LWP 2334)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libmircommon.so.5
#2 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libmircommon.so.5
#3 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#4 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#5 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 16 (Thread 0xaec86410 (LWP 2335)):
#0 0xffffffff in __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:46
#1 0xffffffff in __pthread_cond_wait (cond=0xafed8aa8, mutex=0xafed8a8c) at pthread_cond_wait.c:186
#2 0xffffffff in std::condition_variable::wait(std::unique_lock<std::mutex>&) () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#3 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=0xafed8a80)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/scene/threaded_snapshot_strategy.cpp:58
#4 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (__f=...)
at /usr/include/c++/4.9/functional:202
#5 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=<optimized out>)
at /usr/include/c++/4.9/functional:435
#6 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=<optimized out>)
at /usr/include/c++/4.9/functional:1700
#7 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=<optimized out>)
at /usr/include/c++/4.9/functional:1688
#8 0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=<optimized out>)
at /usr/include/c++/4.9/thread:115
#9 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#10 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#11 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 15 (Thread 0xae0ff410 (LWP 2336)):
#0 0xffffffff in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
---Type <return> to continue, or q <return> to quit---
#1 0xffffffff in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue<boost::asio::detail::task_io_service_operation>&) (this=0xafeda510, block=<optimized out>, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2 0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (ec=..., this_thread=..., lock=..., this=0xafeda490)
at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3 0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (this=0xafeda490, ec=...)
at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda420)
at /usr/include/boost/asio/impl/io_service.ipp:59
#5 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (__closure=0xafeda6c0)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/frontend/published_socket_connector.cpp:165
#6 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6c0)
at /usr/include/c++/4.9/functional:1700
#7 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6c0)
at /usr/include/c++/4.9/functional:1688
#8 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6b4)
at /usr/include/c++/4.9/thread:115
#9 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#10 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#11 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 14 (Thread 0xad8ff410 (LWP 2337)):
#0 0xffffffff in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue<boost::asio::detail::task_io_service_operation>&) (this=0xafeda088, block=<optimized out>, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2 0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (ec=..., this_thread=..., lock=..., this=0xafeda028)
at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3 0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (this=0xafeda028, ec=...)
at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafed9fe0)
at /usr/include/boost/asio/impl/io_service.ipp:59
#5 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (__closure=0xafeda6e0)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/server/frontend/published_socket_connector.cpp:165
#6 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6e0)
at /usr/include/c++/4.9/functional:1700
#7 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6e0)
at /usr/include/c++/4.9/functional:1688
#8 0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xafeda6d4)
at /usr/include/c++/4.9/thread:115
#9 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#10 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#11 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 13 (Thread 0xac2e2410 (LWP 2359)):
#0 0xffffffff in ()
#1 0xffffffff in ()
Thread 12 (Thread 0xabae2410 (LWP 2379)):
---Type <return> to continue, or q <return> to quit---
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xacf02738, timeout=-1, context=0xacf00508)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0xacf00508, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0xacf00508, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xacf00498, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xabae1db4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0xffffffff in QThread::exec() (this=this@entry=0x18452c8) at thread/qthread.cpp:503
#7 0xffffffff in QQmlThreadPrivate::run() (this=0x18452c8) at qml/ftw/qqmlthread.cpp:141
#8 0xffffffff in QThreadPrivate::start(void*) (arg=0x18452c8) at thread/qthread_unix.cpp:337
#9 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#10 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 11 (Thread 0xa9e34410 (LWP 2475)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=2, fds=0xae1193e0, timeout=-1, context=0x18e3f68) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=0x18e3f68, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_loop_run (loop=0x18e4298) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4002
#4 0xffffffff in gdbus_shared_thread_func (user_data=0x18e43a0) at /build/buildd/glib2.0-2.44.1/./gio/gdbusprivate.c:274
#5 0xffffffff in g_thread_proxy (data=0x18dcec0) at /build/buildd/glib2.0-2.44.1/./glib/gthread.c:764
#6 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#7 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 10 (Thread 0xa8cb8410 (LWP 2548)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xb1201080, timeout=-1, context=0x18fc5c8) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0x18fc5c8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0x18fc5c8, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/gio/modules/libdconfsettings.so
Thread 9 (Thread 0xa79ff410 (LWP 3193)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xafedd488, timeout=-1, context=0xafedad20)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0xafedad20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0xafedad20, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xafed92f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa79fed8c, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/DashCommunicator/libDashCommunicator-qml.so
#8 0xffffffff in QThreadPrivate::start(void*) (arg=0x18a5cc8) at thread/qthread_unix.cpp:337
#9 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#10 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
---Type <return> to continue, or q <return> to quit---
Thread 8 (Thread 0xa71c8410 (LWP 3202)):
#0 0xffffffff in __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:46
#1 0xffffffff in __pthread_cond_wait (cond=0xa71c7d68, mutex=0x19e4588) at pthread_cond_wait.c:186
#2 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#3 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#4 0xffffffff in core::dbus::Bus::run() () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#5 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#6 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#7 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 7 (Thread 0xa6465410 (LWP 3204)):
#0 0xffffffff in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#2 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#3 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#4 0xffffffff in core::dbus::Bus::run() () at /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#5 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#6 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#7 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 6 (Thread 0xa4e93410 (LWP 3219)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x1bff1f0, timeout=-1, context=0x1bfc0f0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0x1bfc0f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0x1bfc0f0, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1bfbff8, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa4e92dc4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7 0xffffffff in QThreadPrivate::start(void*) (arg=0x1bfbc48) at thread/qthread_unix.cpp:337
#8 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#9 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 5 (Thread 0xa3545410 (LWP 3230)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xae30b890, timeout=-1, context=0xae309310)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0xae309310, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0xae309310, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xae3092a0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa3544d74, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0xffffffff in QThread::exec() (this=this@entry=0x1b7b9b0) at thread/qthread.cpp:503
#7 0xffffffff in QQuickPixmapReader::run() (this=0x1b7b9b0) at util/qquickpixmapcache.cpp:797
#8 0xffffffff in QThreadPrivate::start(void*) (arg=0x1b7b9b0) at thread/qthread_unix.cpp:337
#9 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
---Type <return> to continue, or q <return> to quit---
#10 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 4 (Thread 0x9e5d9410 (LWP 3261)):
#0 0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xb2700ff0, timeout=-1, context=0xb2700648)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2 0xffffffff in g_main_context_iterate (context=context@entry=0xb2700648, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3 0xffffffff in g_main_context_iteration (context=0xb2700648, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb2700540, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9e5d8dc4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7 0xffffffff in QThreadPrivate::start(void*) (arg=0x1aa2298) at thread/qthread_unix.cpp:337
#8 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#9 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 3 (Thread 0x9ddd9410 (LWP 3262)):
#0 0xffffffff in select () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in QProcessManager::run() (this=0x1841f00) at io/qprocess_unix.cpp:264
#2 0xffffffff in QThreadPrivate::start(void*) (arg=0x1841f00) at thread/qthread_unix.cpp:337
#3 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
#4 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89
Thread 2 (Thread 0x9cdef410 (LWP 4669)):
#0 0xffffffff in ioctl () at ../sysdeps/unix/syscall-template.S:81
#1 0xffffffff in mir::graphics::android::SyncFence::wait() (dat=0x9cdeea98, req=1074019840, fd=<optimized out>, this=<optimized out>)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/platforms/android/common/syncfence.cpp:74
#2 0xffffffff in mir::graphics::android::SyncFence::wait() (this=this@entry=0x9cdeead4)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/platforms/android/common/syncfence.cpp:38
#3 0xffffffff in mir::client::android::EGLNativeSurfaceInterpreter::driver_returns_buffer(ANativeWindowBuffer*, int) (this=0xb120161c, fence_fd=<optimized out>)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/platforms/android/client/egl_native_surface_interpreter.cpp:55
#4 0xffffffff in mir::graphics::android::MirNativeWindow::queueBuffer(ANativeWindowBuffer*, int) (this=<optimized out>, buffer=<optimized out>, fence=<optimized out>)
at /build/mir-PLxEtJ/mir-0.19.0+15.04.20160128/src/platforms/android/common/mir_native_window.cpp:213
#5 0xffffffff in ()
Thread 1 (Thread 0xb6fde000 (LWP 2246)):
#0 0xffffffff in __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:46
#1 0xffffffff in __pthread_cond_wait (cond=0x2341dc0, mutex=0x2341da8) at pthread_cond_wait.c:186
#2 0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (time=4294967295, this=0x2341da8) at thread/qwaitcondition_unix.cpp:128
#3 0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x1f93f04, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:200
#4 0xffffffff in QSGThreadedRenderLoop::handleObscurity(QSGThreadedRenderLoop::Window*) (this=this@entry=0x18d3470, w=0x2172480)
at scenegraph/qsgthreadedrenderloop.cpp:949
#5 0xffffffff in QSGThreadedRenderLoop::hide(QQuickWindow*) (this=0x18d3470, window=0x18d31e0) at scenegraph/qsgthreadedrenderloop.cpp:800
#6 0xffffffff in ScreenWindow::setExposed(bool) () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#7 0xffffffff in ScreensModel::allWindowsSetExposed(bool) () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#8 0xffffffff in ScreensModel::onCompositorStopping() () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#9 0xffffffff in QMetaCallEvent::placeMetaCall(QObject*) (a=<optimized out>, r=0x17df330, this=0xafeda818)
---Type <return> to continue, or q <return> to quit---
at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#10 0xffffffff in QMetaCallEvent::placeMetaCall(QObject*) (this=<optimized out>, object=0x17df330) at kernel/qobject.cpp:483
#11 0xffffffff in QObject::event(QEvent*) (this=<optimized out>, e=<optimized out>) at kernel/qobject.cpp:1245
#12 0xffffffff in QCoreApplication::notify(QObject*, QEvent*) (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:997
#13 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x17dc4b8, receiver=receiver@entry=0x17df330, event=event@entry=0xafedecc8)
at kernel/qcoreapplication.cpp:935
#14 0xffffffff in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0xafedecc8, receiver=0x17df330)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#15 0xffffffff in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x17dc588)
at kernel/qcoreapplication.cpp:1552
#16 0xffffffff in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#17 0xffffffff in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x17fd870) at kernel/qeventdispatcher_glib.cpp:271
#18 0xffffffff in g_main_context_dispatch (context=0x17fd7f8) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3122
#19 0xffffffff in g_main_context_dispatch (context=context@entry=0x17fd7f8) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3737
#20 0xffffffff in g_main_context_iterate (context=context@entry=0x17fd7f8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3808
#21 0xffffffff in g_main_context_iteration (context=0x17fd7f8, may_block=1) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#22 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x17fb520, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#23 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xbe8a14a8, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#24 0xffffffff in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1188
#25 0x000146d0 in ()
#26 0xffffffff in __libc_start_main (main=
0x14685, argc=1, argv=0xbe8a1654, init=<optimized out>, fini=0x191ed <__libc_csu_fini>, rtld_fini=0xb6fcdadd <_dl_fini>, stack_end=0xbe8a1654) at libc-start.c:289
#27 0x00014750 in _start ()
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