Thread 27 (Thread 0xb37a5450 (LWP 2314)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in ust_listener_thread (sock_info=<optimized out>) at lttng-ust-comm.c:1125
#2  0xffffffff in ust_listener_thread (arg=0xb3d522b0 <global_apps>) at lttng-ust-comm.c:1170
#3  0xffffffff in start_thread (arg=0xb37a5450) at pthread_create.c:311
#4  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 26 (Thread 0xb2fa5450 (LWP 2315)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in ust_listener_thread (sock_info=<optimized out>) at lttng-ust-comm.c:1125
#2  0xffffffff in ust_listener_thread (arg=0xb3d50284 <local_apps>) at lttng-ust-comm.c:1170
#3  0xffffffff in start_thread (arg=0xb2fa5450) at pthread_create.c:311
#4  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 25 (Thread 0xb23ff450 (LWP 2317)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __lll_lock_wait (futex=futex@entry=0xa8875684, private=<optimized out>)
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c:46
#2  0xffffffff in __GI___pthread_mutex_lock (mutex=0xa8875684) at pthread_mutex_lock.c:79
#3  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__mutex=<optimized out>) at /usr/include/arm-linux-gnueabihf/c++/4.9/bits/gthr-default.h:748
#4  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (this=<optimized out>) at /usr/include/c++/4.9/mutex:135
#5  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (this=0xb23fe8fc) at /usr/include/c++/4.9/mutex:474
#6  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__m=..., this=0xb23fe8fc) at /usr/include/c++/4.9/mutex:406
#7  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__closure=0xa84f9bb0) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/buffer_queue.cpp:137
#8  0xffffffff in std::_Function_handler<void(), mir::compositor::BufferQueue::BufferQueue(int, const std::shared_ptr<mir::graphics::GraphicBufferAllocator>&, const mir::graphics::BufferProperties&, const mir::compositor::FrameDroppingPolicyFactory&)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/4.9/functional:2039
#9  0xffffffff in std::_Function_handler<void(), (anonymous namespace)::TimeoutFrameDroppingPolicy::TimeoutFrameDroppingPolicy(const std::shared_ptr<mir::time::Timer>&, std::chrono::milliseconds, std::function<void()>)::<lambda()> >::_M_invoke(const std::_Any_data &) (this=0xa84b3c5c) at /usr/include/c++/4.9/functional:2439
#10 0xffffffff in std::_Function_handler<void(), (anonymous namespace)::TimeoutFrameDroppingPolicy::TimeoutFrameDroppingPolicy(const std::shared_ptr<mir::time::Timer>&, std::chrono::milliseconds, std::function<void()>)::<lambda()> >::_M_invoke(const std::_Any_data &) (__closure=0xa84b3c58) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/timeout_frame_dropping_policy_factory.cpp:59
#11 0xffffffff in std::_Function_handler<void(), (anonymous namespace)::TimeoutFrameDroppingPolicy::TimeoutFrameDroppingPolicy(const std::shared_ptr<mir::time::Timer>&, std::chrono::milliseconds, std::function<void()>)::<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::create_alarm(std::function<void()>)::<lambda()> >::_M_invoke(const std::_Any_data &) (__closure=0xa86a3f58) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop.cpp:252
#13 0xffffffff in std::_Function_handler<void(), mir::GLibMainLoop::create_alarm(std::function<void()>)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/4.9/functional:2039
#14 0xffffffff in mir::detail::TimerGSource::dispatch(GSource*, GSourceFunc, gpointer) (source=0xa88e2d40)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop_sources.cpp:289
#15 0xffffffff in g_main_context_dispatch (context=0xb1b02bd8) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3122
#16 0xffffffff in g_main_context_dispatch (context=context@entry=0xb1b02bd8) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3737
#17 0xffffffff in g_main_context_iterate (context=context@entry=0xb1b02bd8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3808
#18 0xffffffff in g_main_context_iteration (context=0xb1b02bd8, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#19 0xffffffff in mir::GLibMainLoop::run() (this=0xb1b02a80)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop.cpp:126
#20 0xffffffff in mir::DisplayServer::run() (this=this@entry=0xb23fea50)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/display_server.cpp:223
#21 0xffffffff in mir::run_mir(mir::ServerConfiguration&, std::function<void (mir::DisplayServer&)>, std::function<void (int)> const&) (config=..., init=..., terminator=...) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/run_mir.cpp:113
#22 0xffffffff in mir::Server::run() (this=0x750038) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/server.cpp:375
#23 0xffffffff in MirServerWorker::run() () at /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#24 0xffffffff in QMetaCallEvent::placeMetaCall(QObject*) (a=<optimized out>, r=0x75dd48, this=0x75d3e8)
    at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:132
#25 0xffffffff in QMetaCallEvent::placeMetaCall(QObject*) (this=<optimized out>, object=0x75dd48) at kernel/qobject.cpp:485
#26 0xffffffff in QObject::event(QEvent*) (this=<optimized out>, e=<optimized out>) at kernel/qobject.cpp:1241
#27 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) (event=0x75e820, receiver=0x75dd48, this=0x73eb58)
    at kernel/qcoreapplication.cpp:997
#28 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x73eb58, receiver=receiver@entry=0x75dd48, event=event@entry=0x75e820) at kernel/qcoreapplication.cpp:935
#29 0xffffffff in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x75e820, receiver=0x75dd48)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#30 0xffffffff in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x75dd00) at kernel/qcoreapplication.cpp:1539
#31 0xffffffff in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0)
    at kernel/qcoreapplication.cpp:1397
#32 0xffffffff in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0xb1b00da0) at kernel/qeventdispatcher_glib.cpp:279
#33 0xffffffff in g_main_context_dispatch (context=0xb1b004d8) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3122
#34 0xffffffff in g_main_context_dispatch (context=context@entry=0xb1b004d8) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3737
#35 0xffffffff in g_main_context_iterate (context=context@entry=0xb1b004d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3808
#36 0xffffffff in g_main_context_iteration (context=0xb1b004d8, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#37 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb1b00468, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#38 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xb23fedf4, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#39 0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:511
#40 0xffffffff in QThreadPrivate::start(void*) (arg=0x73fa50) at thread/qthread_unix.cpp:345
#41 0xffffffff in start_thread (arg=0xb23ff450) at pthread_create.c:311
#42 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 24 (Thread 0xb1aff450 (LWP 2320)):
#0  0xffffffff in recvmsg () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in mir::client::rpc::StreamSocketTransport::receive_data(void*, unsigned int) (this=0xb1b073f0, buffer=0xb1afecac, bytes_requested=2) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/client/rpc/stream_socket_transport.cpp:97
#2  0xffffffff in mir::client::rpc::MirProtobufRpcChannel::on_data_available() (this=0xb1b03744)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/client/rpc/mir_protobuf_rpc_channel.cpp:314
#3  0xffffffff in mir::client::rpc::StreamSocketTransport::notify_data_available() (this=0xb1b073f0)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/client/rpc/stream_socket_transport.cpp:316
#4  0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::client::rpc::StreamSocketTransport::init()::<lambda()>()> >::_M_run(void) (__closure=0xb1b077f8) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/client/rpc/stream_socket_transport.cpp:254
#5  0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::client::rpc::StreamSocketTransport::init()::<lambda()>()> >::_M_run(void) (this=0xb1b077f8) at /usr/include/c++/4.9/functional:1700
#6  0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::client::rpc::StreamSocketTransport::init()::<lambda()>()> >::_M_run(void) (this=0xb1b077f8) at /usr/include/c++/4.9/functional:1688
#7  0xffffffff in std::thread::_Impl<std::_Bind_simple<mir::client::rpc::StreamSocketTransport::init()::<lambda()>()> >::_M_run(void) (this=0xb1b077ec) at /usr/include/c++/4.9/thread:115
#8  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#9  0xffffffff in start_thread (arg=0xb1aff450) at pthread_create.c:311
#10 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 23 (Thread 0xb03be450 (LWP 2325)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xb046b028, mutex=0xb046b008) at pthread_cond_wait.c:187
#2  0xffffffff in  ()

Thread 22 (Thread 0xafbbe450 (LWP 2331)):
#0  0xffffffff in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in android::Looper::pollInner(int) (this=0xb046b8d0, timeoutMillis=-1)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/3rd_party/android-input/android/frameworks/native/libs/utils/Looper.cpp:218
#2  0xffffffff in android::Looper::pollOnce(int, int*, int*, void**) (this=0xb046b8d0, timeoutMillis=-1, outFd=outFd@entry=0x0, outEvents=outEvents@entry=0x0, outData=outData@entry=0x0)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/3rd_party/android-input/android/frameworks/native/libs/utils/Looper.cpp:189
#3  0xffffffff in mir::input::receiver::android::InputReceiver::next_event(std::chrono::duration<long long, std::ratio<1ll, 1000ll> > const&, MirEvent&) (timeoutMillis=<optimized out>, this=<optimized out>)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/3rd_party/android-input/android/frameworks/native/include/utils/Looper.h:180
#4  0xffffffff in mir::input::receiver::android::InputReceiver::next_event(std::chrono::duration<long long, std::ratio<1ll, 1000ll> > const&, MirEvent&) (this=0xb046b288, timeout=..., ev=...)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/common/input/android/android_input_receiver.cpp:162
#5  0xffffffff in mir::input::receiver::android::InputReceiverThread::thread_loop() (ev=..., this=<optimized out>)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/common/input/android/android_input_receiver.h:70
#6  0xffffffff in mir::input::receiver::android::InputReceiverThread::thread_loop() (this=0xb0482fbc)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/common/input/android/android_input_receiver_thread.cpp:64
#7  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#8  0xffffffff in start_thread (arg=0xafbbe450) at pthread_create.c:311
#9  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 21 (Thread 0xaeeff450 (LWP 2334)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xb0478f58, mutex=0xb0478f3c) at pthread_cond_wait.c:187
#2  0xffffffff in std::condition_variable::wait(std::unique_lock<std::mutex>&) (__mutex=<optimized out>, __cond=__cond@entry=0xb0478f58)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/arm-linux-gnueabihf/bits/gthr-default.h:864
#3  0xffffffff in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=this@entry=0xb0478f58, __lock=...)
    at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:52
#4  0xffffffff in std::thread::_Impl<std::_Bind_simple<std::reference_wrapper<mir::scene::SnapshottingFunctor> ()> >::_M_run() (this=0xb0478f30) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/scene/threaded_snapshot_strategy.cpp:58
#5  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
#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:435
#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:1700
#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/functional:1688
#9  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
#10 0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#11 0xffffffff in start_thread (arg=0xaeeff450) at pthread_create.c:311
#12 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 20 (Thread 0xae4ff450 (LWP 2335)):
#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=0xb047c728, block=block@entry=true, 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=0xb047c6c8) 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=0xb047c6c8, 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=0xb047f550) 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=0xb0470d30) at /build/buildd/mir-0.10.0+15.04.20150107.2/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=0xb0470d30) 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=0xb0470d30) 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=0xb0470d24) at /usr/include/c++/4.9/thread:115
#9  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#10 0xffffffff in start_thread (arg=0xae4ff450) at pthread_create.c:311
#11 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 19 (Thread 0xadcff450 (LWP 2336)):
#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=0xb046faf8, block=block@entry=true, 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=0xb046fa98) 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=0xb046fa98, 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=0xb047fcc0) 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=0xb046eb78) at /build/buildd/mir-0.10.0+15.04.20150107.2/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=0xb046eb78) 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=0xb046eb78) 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=0xb046eb6c) at /usr/include/c++/4.9/thread:115
#9  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#10 0xffffffff in start_thread (arg=0xadcff450) at pthread_create.c:311
#11 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 18 (Thread 0xac6d5450 (LWP 2348)):
#0  0xffffffff in  ()
#1  0xffffffff in  ()

Thread 17 (Thread 0xabed5450 (LWP 2362)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xae602738, timeout=-1, context=0xae600508)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0xae600508, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0xae600508, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xae600498, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xabed4df4, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:511
#7  0xffffffff in QThreadPrivate::start(void*) (arg=0x7a7e98) at thread/qthread_unix.cpp:345
#8  0xffffffff in start_thread (arg=0xabed5450) at pthread_create.c:311
#9  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 16 (Thread 0xaac09450 (LWP 2429)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=3, fds=0xaf105828, timeout=-1, context=0x82bd28)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=0x82bd28, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_loop_run (loop=0x82bcf0) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4002
#4  0xffffffff in gdbus_shared_thread_func (user_data=0x82bd10) at /build/buildd/glib2.0-2.43.3/./gio/gdbusprivate.c:273
#5  0xffffffff in g_thread_proxy (data=0x829ec0) at /build/buildd/glib2.0-2.43.3/./glib/gthread.c:764
#6  0xffffffff in start_thread (arg=0xaac09450) at pthread_create.c:311
#7  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 15 (Thread 0xa95e6450 (LWP 2713)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xb1100810, timeout=-1, context=0x84bb98)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0x84bb98, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0x84bb98, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in  () at /usr/lib/arm-linux-gnueabihf/gio/modules/libdconfsettings.so

Thread 14 (Thread 0xa81ff450 (LWP 2894)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xb04837d0, timeout=-1, context=0xaef0e4d0)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0xaef0e4d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0xaef0e4d0, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb1b02f10, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa81fedbc, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=this@entry=0x893430) at thread/qthread.cpp:511
#7  0xffffffff in DashCommunicator::run() (this=0x893430)
    at /build/buildd/unity8-8.02+15.04.20150205/plugins/Unity/DashCommunicator/dashcommunicator.cpp:51
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x893430) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread (arg=0xa81ff450) at pthread_create.c:311
#10 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 13 (Thread 0xa758d450 (LWP 2895)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xa758cd98, mutex=0x8a0a00) at pthread_cond_wait.c:187
#2  0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (lock=..., this=0xa758cd98)
    at /usr/include/boost/asio/detail/posix_event.hpp:80
#3  0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (ec=..., this_thread=..., lock=..., this=0x8a09e8) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:395
#4  0xffffffff in boost::asio::detail::task_io_service::run(boost::system::error_code&) (this=0x8a09e8, ec=...)
    at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#5  0xffffffff in core::dbus::asio::Executor::run() (this=0xad4c663c <core::dbus::asio::make_executor(std::shared_ptr<core::dbus::Bus> const&)::io>) at /usr/include/boost/asio/impl/io_service.ipp:59
#6  0xffffffff in core::dbus::asio::Executor::run() (this=<optimized out>)
    at /build/buildd/dbus-cpp-4.3.0+15.04.20150123/src/core/dbus/asio/executor.cpp:386
#7  0xffffffff in core::dbus::Bus::run() (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123/src/core/dbus/bus.cpp:343
#8  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#9  0xffffffff in start_thread (arg=0xa758d450) at pthread_create.c:311
#10 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 12 (Thread 0xa4f27450 (LWP 2912)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xd05dd0, timeout=-1, context=0xd034a0)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0xd034a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0xd034a0, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xd03430, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa4f26df4, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:511
#7  0xffffffff in QThreadPrivate::start(void*) (arg=0xd02e00) at thread/qthread_unix.cpp:345
#8  0xffffffff in start_thread (arg=0xa4f27450) at pthread_create.c:311
#9  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 11 (Thread 0xa46a2450 (LWP 2913)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xa8224980, timeout=-1, context=0xa822dd08)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0xa822dd08, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0xa822dd08, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa8221830, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa46a1df4, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:511
#7  0xffffffff in QThreadPrivate::start(void*) (arg=0xd7a850) at thread/qthread_unix.cpp:345
#8  0xffffffff in start_thread (arg=0xa46a2450) at pthread_create.c:311
#9  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 10 (Thread 0xa3ea2450 (LWP 2914)):
#0  0xffffffff in select () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in QProcessManager::run() (this=0x7a3a88) at io/qprocess_unix.cpp:272
#2  0xffffffff in QThreadPrivate::start(void*) (arg=0x7a3a88) at thread/qthread_unix.cpp:345
#3  0xffffffff in start_thread (arg=0xa3ea2450) at pthread_create.c:311
#4  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 9 (Thread 0xa36a2450 (LWP 2932)):
#0  0xffffffff in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xffffffff in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0xaf100c80, timeout=-1, context=0xaf105060)
    at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:4103
#2  0xffffffff in g_main_context_iterate (context=context@entry=0xaf105060, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3803
#3  0xffffffff in g_main_context_iteration (context=0xaf105060, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaf109058, flags=...)
    at kernel/qeventdispatcher_glib.cpp:426
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa36a1da4, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=this@entry=0xdd5340) at thread/qthread.cpp:511
#7  0xffffffff in QQuickPixmapReader::run() (this=0xdd5340) at util/qquickpixmapcache.cpp:688
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0xdd5340) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread (arg=0xa36a2450) at pthread_create.c:311
#10 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 8 (Thread 0xa1a7c450 (LWP 2944)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xa88e2db8, mutex=0xa88e2da0) at pthread_cond_wait.c:187
#2  0xffffffff in std::condition_variable::wait(std::unique_lock<std::mutex>&) (__mutex=<optimized out>, __cond=__cond@entry=0xa88e2db8)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/arm-linux-gnueabihf/bits/gthr-default.h:864
#3  0xffffffff in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=this@entry=0xa88e2db8, __lock=...)
    at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:52
#4  0xffffffff in mir::RecursiveReadWriteMutex::write_lock() (__p=..., __lock=..., this=0xa88e2db8)
    at /usr/include/c++/4.9/condition_variable:98
#5  0xffffffff in mir::RecursiveReadWriteMutex::write_lock() (this=this@entry=0xa88e2da0)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/common/thread/recursive_read_write_mutex.cpp:76
#6  0xffffffff in std::_Function_handler<void(_GSource*), mir::detail::add_timer_gsource(GMainContext*, const std::shared_ptr<mir::time::Clock>&, const std::function<void()>&, mir::time::Timestamp)::<lambda(GSource*)> >::_M_invoke(const std::_Any_data &, _GSource *) (mutex=..., this=<synthetic pointer>) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/include/common/mir/recursive_read_write_mutex.h:69
#7  0xffffffff in std::_Function_handler<void(_GSource*), mir::detail::add_timer_gsource(GMainContext*, const std::shared_ptr<mir::time::Clock>&, const std::function<void()>&, mir::time::Timestamp)::<lambda(GSource*)> >::_M_invoke(const std::_Any_data &, _GSource *) (source=0xa88e2d40) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop_sources.cpp:304
#8  0xffffffff in std::_Function_handler<void(_GSource*), mir::detail::add_timer_gsource(GMainContext*, const std::shared_ptr<mir::time::Clock>&, const std::function<void()>&, mir::time::Timestamp)::<lambda(GSource*)> >::_M_invoke(const std::_Any_data &, _GSource *) (__closure=<optimized out>, gsource=0xa88e2d40) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop_sources.cpp:320
#9  0xffffffff in std::_Function_handler<void(_GSource*), mir::detail::add_timer_gsource(GMainContext*, const std::shared_ptr<mir::time::Clock>&, const std::function<void()>&, mir::time::Timestamp)::<lambda(GSource*)> >::_M_invoke(const std::_Any_data &, _GSource *) (__functor=..., __args#0=0xa88e2d40) at /usr/include/c++/4.9/functional:2039
#10 0xffffffff in mir::detail::GSourceHandle::~GSourceHandle() (__args#0=<optimized out>, this=0xa1a7badc)
    at /usr/include/c++/4.9/functional:2439
#11 0xffffffff in mir::detail::GSourceHandle::~GSourceHandle() (this=0xa1a7bad8, __in_chrg=<optimized out>)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop_sources.cpp:107
#12 0xffffffff in (anonymous namespace)::AlarmImpl::cancel() (this=0xa841e020)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/glib_main_loop.cpp:48
#13 0xffffffff in (anonymous namespace)::TimeoutFrameDroppingPolicy::swap_unblocked() (this=0xae64b698)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/timeout_frame_dropping_policy_factory.cpp:74
#14 0xffffffff in mir::compositor::BufferQueue::release(mir::graphics::Buffer*, std::unique_lock<std::mutex>) (this=this@entry=0xa8875680, buffer=buffer@entry=0xa0aa86d4, lock=...) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/buffer_queue.cpp:437
#15 0xffffffff in mir::compositor::BufferQueue::compositor_release(std::shared_ptr<mir::graphics::Buffer> const&) (this=0xa8875680, buffer=...) at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/buffer_queue.cpp:294
#16 0xffffffff in mir::compositor::TemporaryCompositorBuffer::~TemporaryCompositorBuffer() (this=0xaef9aaa4, __in_chrg=<optimized out>)
    at /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/compositor/temporary_buffers.cpp:43
#17 0xffffffff in MirBufferSGTexture::freeBuffer() ()
    at /usr/lib/arm-linux-gnueabihf/qt5/qml/Unity/Application/libunityapplicationplugin.so
#18 0xffffffff in qtmir::MirSurfaceItem::updateTexture() ()
    at /usr/lib/arm-linux-gnueabihf/qt5/qml/Unity/Application/libunityapplicationplugin.so
#19 0xffffffff in qtmir::MirSurfaceItem::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) ()
    at /usr/lib/arm-linux-gnueabihf/qt5/qml/Unity/Application/libunityapplicationplugin.so
#20 0xffffffff in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) (this=this@entry=0x7a85e8, item=item@entry=0xf21908)
    at items/qquickwindow.cpp:2659
#21 0xffffffff in QQuickWindowPrivate::updateDirtyNodes() (this=this@entry=0x7a85e8) at items/qquickwindow.cpp:2484
#22 0xffffffff in QQuickWindowPrivate::syncSceneGraph() (this=this@entry=0x7a85e8) at items/qquickwindow.cpp:347
#23 0xffffffff in QSGRenderThread::sync() (this=this@entry=0xf03a68) at scenegraph/qsgthreadedrenderloop.cpp:545
#24 0xffffffff in QSGRenderThread::syncAndRender() (this=this@entry=0xf03a68) at scenegraph/qsgthreadedrenderloop.cpp:587
#25 0xffffffff in QSGRenderThread::run() (this=0xf03a68) at scenegraph/qsgthreadedrenderloop.cpp:704
#26 0xffffffff in QThreadPrivate::start(void*) (arg=0xf03a68) at thread/qthread_unix.cpp:345
#27 0xffffffff in start_thread (arg=0xa1a7c450) at pthread_create.c:311
#28 0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 7 (Thread 0x9ef85450 (LWP 2946)):
#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=0x8a0a70, block=block@entry=true, 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=0x8a09e8) 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=0x8a09e8, ec=...)
    at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4  0xffffffff in core::dbus::asio::Executor::run() (this=0xad4c663c <core::dbus::asio::make_executor(std::shared_ptr<core::dbus::Bus> const&)::io>) at /usr/include/boost/asio/impl/io_service.ipp:59
#5  0xffffffff in core::dbus::asio::Executor::run() (this=<optimized out>)
    at /build/buildd/dbus-cpp-4.3.0+15.04.20150123/src/core/dbus/asio/executor.cpp:386
#6  0xffffffff in core::dbus::Bus::run() (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123/src/core/dbus/bus.cpp:343
#7  0xffffffff in std::(anonymous namespace)::execute_native_thread_routine(void*) (__p=<optimized out>)
    at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#8  0xffffffff in start_thread (arg=0x9ef85450) at pthread_create.c:311
#9  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 6 (Thread 0x9c588450 (LWP 3014)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in g_cond_wait (cond=cond@entry=0xdd1f48, mutex=mutex@entry=0xdd1f40)
    at /build/buildd/glib2.0-2.43.3/./glib/gthread-posix.c:1396
#2  0xffffffff in g_async_queue_pop_intern_unlocked (queue=0xdd1f40, wait=wait@entry=1, end_time=<optimized out>)
    at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:419
#3  0xffffffff in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:475
#4  0xffffffff in g_thread_pool_thread_proxy (pool=0xdcb748) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:245
#5  0xffffffff in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:296
#6  0xffffffff in g_thread_proxy (data=0xaf103e00) at /build/buildd/glib2.0-2.43.3/./glib/gthread.c:764
#7  0xffffffff in start_thread (arg=0x9c588450) at pthread_create.c:311
#8  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 5 (Thread 0x9bd88450 (LWP 3015)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in g_cond_wait (cond=cond@entry=0xdd1f48, mutex=mutex@entry=0xdd1f40)
    at /build/buildd/glib2.0-2.43.3/./glib/gthread-posix.c:1396
#2  0xffffffff in g_async_queue_pop_intern_unlocked (queue=0xdd1f40, wait=wait@entry=1, end_time=<optimized out>)
    at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:419
#3  0xffffffff in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:475
#4  0xffffffff in g_thread_pool_thread_proxy (pool=0xdcb748) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:245
#5  0xffffffff in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:296
#6  0xffffffff in g_thread_proxy (data=0xaf103d80) at /build/buildd/glib2.0-2.43.3/./glib/gthread.c:764
#7  0xffffffff in start_thread (arg=0x9bd88450) at pthread_create.c:311
#8  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 4 (Thread 0x9b588450 (LWP 3016)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in g_cond_wait (cond=cond@entry=0xdd1f48, mutex=mutex@entry=0xdd1f40)
    at /build/buildd/glib2.0-2.43.3/./glib/gthread-posix.c:1396
#2  0xffffffff in g_async_queue_pop_intern_unlocked (queue=0xdd1f40, wait=wait@entry=1, end_time=<optimized out>)
    at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:419
#3  0xffffffff in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:475
#4  0xffffffff in g_thread_pool_thread_proxy (pool=0xdcb748) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:245
#5  0xffffffff in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:296
#6  0xffffffff in g_thread_proxy (data=0x82a3b0) at /build/buildd/glib2.0-2.43.3/./glib/gthread.c:764
#7  0xffffffff in start_thread (arg=0x9b588450) at pthread_create.c:311
#8  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 3 (Thread 0x9ad88450 (LWP 3017)):
#0  0xffffffff in syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xffffffff in g_cond_wait (cond=cond@entry=0xdd1f48, mutex=mutex@entry=0xdd1f40)
    at /build/buildd/glib2.0-2.43.3/./glib/gthread-posix.c:1396
#2  0xffffffff in g_async_queue_pop_intern_unlocked (queue=0xdd1f40, wait=wait@entry=1, end_time=<optimized out>)
    at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:419
#3  0xffffffff in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gasyncqueue.c:475
#4  0xffffffff in g_thread_pool_thread_proxy (pool=0xdcb748) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:245
#5  0xffffffff in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gthreadpool.c:296
#6  0xffffffff in g_thread_proxy (data=0x829fb0) at /build/buildd/glib2.0-2.43.3/./glib/gthread.c:764
#7  0xffffffff in start_thread (arg=0x9ad88450) at pthread_create.c:311
#8  0xffffffff in  () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92

Thread 2 (Thread 0xa22cf450 (LWP 12048)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xb2613da8, mutex=0xb2613d90) at pthread_cond_wait.c:187
#2  0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (time=4294967295, this=0xb2613d90) at thread/qwaitcondition_unix.cpp:136
#3  0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0xb2604398, time=time@entry=4294967295)
    at thread/qwaitcondition_unix.cpp:208
#4  0xffffffff in QFutureInterfaceBase::waitForResult(int) (this=this@entry=0xa22cec0c, resultIndex=resultIndex@entry=0)
    at thread/qfutureinterface.cpp:313
#5  0xffffffff in QLightDM::GreeterImpl::converseWithPam(int, pam_message const**, pam_response**, void*) (this=0xa22cec0c)
    at /usr/include/arm-linux-gnueabihf/qt5/QtCore/qfuture.h:171
#6  0xffffffff in QLightDM::GreeterImpl::converseWithPam(int, pam_message const**, pam_response**, void*) (num_msg=1, msg=<optimized out>, resp=0xa22cec4c, appdata_ptr=0xe23510) at /build/buildd/unity8-8.02+15.04.20150205/plugins/LightDM/liblightdm/GreeterPrivate.cpp:165
#7  0xffffffff in pam_vprompt () at /lib/arm-linux-gnueabihf/libpam.so.0
#8  0xffffffff in pam_prompt () at /lib/arm-linux-gnueabihf/libpam.so.0
#9  0xffffffff in _unix_read_password (pamh=0x1142940, ctrl=8421376, comment=0x0, prompt1=0xa2d0ad40 "Password: ", prompt2=0x0, data_name=0xa2d0ad4c "-UN*X-PASS", pass=0xa22ced18) at support.c:957
#10 0xffffffff in pam_sm_authenticate (pamh=0x1142940, flags=<optimized out>, argc=<optimized out>, argv=<optimized out>)
    at pam_unix_auth.c:160
#11 0xffffffff in  () at /lib/arm-linux-gnueabihf/libpam.so.0

Thread 1 (Thread 0xb6f82410 (LWP 2272)):
#0  0xffffffff in __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xffffffff in __pthread_cond_wait (cond=0xf03c50, mutex=0xf03c38) at pthread_cond_wait.c:187
#2  0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (time=4294967295, this=0xf03c38) at thread/qwaitcondition_unix.cpp:136
#3  0xffffffff in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0xf03a94, time=time@entry=4294967295)
    at thread/qwaitcondition_unix.cpp:208
#4  0xffffffff in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*) (this=this@entry=0x73dd48, w=w@entry=0xf019a8)
    at scenegraph/qsgthreadedrenderloop.cpp:1183
#5  0xffffffff in QSGThreadedRenderLoop::event(QEvent*) (this=0x73dd48, e=<optimized out>) at scenegraph/qsgthreadedrenderloop.cpp:1247
#6  0xffffffff in QCoreApplication::notify(QObject*, QEvent*) (this=<optimized out>, receiver=<optimized out>, event=<optimized out>)
    at kernel/qcoreapplication.cpp:997
#7  0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x73eb58, receiver=0x73dd48, event=event@entry=0xbe826184)
    at kernel/qcoreapplication.cpp:935
#8  0xffffffff in QTimerInfoList::activateTimers() (event=0xbe826184, receiver=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#9  0xffffffff in QTimerInfoList::activateTimers() (this=0x75cff4) at kernel/qtimerinfo_unix.cpp:643
#10 0xffffffff in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:185
#11 0xffffffff in g_main_context_dispatch (context=0x75cf48) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3122
#12 0xffffffff in g_main_context_dispatch (context=context@entry=0x75cf48) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3737
#13 0xffffffff in g_main_context_iterate (context=context@entry=0x75cf48, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3808
#14 0xffffffff in g_main_context_iteration (context=0x75cf48, may_block=1) at /build/buildd/glib2.0-2.43.3/./glib/gmain.c:3869
#15 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x750570, flags=...)
    at kernel/qeventdispatcher_glib.cpp:428
#16 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xbe8262d0, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:212
#17 0xffffffff in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1188
#18 0xffffffff in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1486
#19 0x00013eae in main(int, char const**) (argc=1, argv=<optimized out>) at /build/buildd/unity8-8.02+15.04.20150205/src/main.cpp:156