(gdb) t a a bt

Thread 33 (Thread 0xb374a450 (LWP 2425)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb3e98de8 in ?? () from /usr/lib/arm-linux-gnueabihf/liblttng-ust.so.0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 32 (Thread 0xb2f4a450 (LWP 2426)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb3e98de8 in ?? () from /usr/lib/arm-linux-gnueabihf/liblttng-ust.so.0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 31 (Thread 0xb2694450 (LWP 2427)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xb3bc5fea in operator() (__closure=0x773ac8) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/client/rpc/stream_socket_transport.cpp:214
#2  _M_invoke<> (this=0x773ac8) at /usr/include/c++/4.9/functional:1700
#3  operator() (this=0x773ac8) at /usr/include/c++/4.9/functional:1688
#4  std::thread::_Impl<std::_Bind_simple<mir::client::rpc::StreamSocketTransport::init()::<lambda()>()> >::_M_run(void) (this=0x773abc) at /usr/include/c++/4.9/thread:115
#5  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#6  0xb5faaf98 in start_thread (arg=0xb2694450) at pthread_create.c:311
#7  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 30 (Thread 0xb1b6b450 (LWP 2431)):
Cannot access memory at address 0x0
Cannot access memory at address 0x0
#0  0xb4447840 in ?? ()
#1  0xb445b29c in ?? ()
Cannot access memory at address 0x0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 29 (Thread 0xb136ab40 (LWP 2432)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
#1  0xb5c45be2 in timer_helper_thread (arg=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/timer_routines.c:92
#2  0xb5faaf98 in start_thread (arg=0xb136ab40) at pthread_create.c:311
#3  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 28 (Thread 0xb11ff450 (LWP 2433)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (Cannot access memory at address 0x3000000
cond=0x7754e8, mutex=0x7754c8) at pthread_cond_wait.c:187
#2  0xb1c5e0a8 in ?? ()
Cannot access memory at address 0x3000000
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 27 (Thread 0xb09ff450 (LWP 2434)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (Cannot access memory at address 0x3000000
cond=0x775708, mutex=0x7756e8) at pthread_cond_wait.c:187
#2  0xb1c5e0a8 in ?? ()
Cannot access memory at address 0x3000000
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 26 (Thread 0xb0001450 (LWP 2437)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xb3b851c8 in android::Looper::pollInner (this=0x7c46e8, timeoutMillis=-1) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/3rd_party/android-input/android/frameworks/native/libs/utils/Looper.cpp:218
#2  0xb3b8552c in android::Looper::pollOnce (this=0x7c46e8, timeoutMillis=-1, outFd=outFd@entry=0x0, outEvents=outEvents@entry=0x0, outData=outData@entry=0x0)
    at /build/buildd/mir-0.8.2+15.04.20150115~rtm/3rd_party/android-input/android/frameworks/native/libs/utils/Looper.cpp:189
#3  0xb3b7ac9e in pollOnce (timeoutMillis=<optimized out>, this=<optimized out>) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/3rd_party/android-input/android/frameworks/native/include/utils/Looper.h:180
#4  mir::input::receiver::android::InputReceiver::next_event (this=0x7c40a0, timeout=..., ev=...) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/common/input/android/android_input_receiver.cpp:159
#5  0xb3b7b7da in next_event (ev=..., this=<optimized out>) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/common/input/android/android_input_receiver.h:70
#6  mir::input::receiver::android::InputReceiverThread::thread_loop (this=0x7dc694) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/common/input/android/android_input_receiver_thread.cpp:64
#7  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#8  0xb5faaf98 in start_thread (arg=0xb0001450) at pthread_create.c:311
#9  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 25 (Thread 0xaf6ff450 (LWP 2439)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (cond=0x7c8908, mutex=0x7c88ec) at pthread_cond_wait.c:187
#2  0xb627b774 in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7c8908) at /build/buildd/gcc-4.9-4.9.1/build/arm-linux-gnueabihf/libstdc++-v3/include/arm-linux-gnueabihf/bits/gthr-default.h:864
#3  std::condition_variable::wait (this=this@entry=0x7c8908, __lock=...) at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:52
#4  0xb3db138a in operator() (this=0x7c88e0) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/server/scene/threaded_snapshot_strategy.cpp:58
---Type <return> to continue, or q <return> to quit---
#5  __invoke<mir::scene::SnapshottingFunctor> (__f=...) at /usr/include/c++/4.9/functional:202
#6  operator()<> (this=<optimized out>) at /usr/include/c++/4.9/functional:435
#7  _M_invoke<> (this=<optimized out>) at /usr/include/c++/4.9/functional:1700
#8  operator() (this=<optimized out>) at /usr/include/c++/4.9/functional:1688
#9  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 0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#11 0xb5faaf98 in start_thread (arg=0xaf6ff450) at pthread_create.c:311
#12 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 24 (Thread 0xaecff450 (LWP 2440)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xb3d7e146 in boost::asio::detail::epoll_reactor::run (this=0x813828, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2  0xb3d7ff4a in do_run_one (ec=..., this_thread=..., lock=..., this=0x7c5ed8) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3  boost::asio::detail::task_io_service::run (this=0x7c5ed8, ec=...) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4  0xb3d7bc8c in run (this=<optimized out>) at /usr/include/boost/asio/impl/io_service.ipp:59
#5  mir::AsioMainLoop::run (this=<optimized out>) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/server/asio_main_loop.cpp:261
#6  0xb3d74d16 in mir::DisplayServer::run (this=0x7721a8) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/server/display_server.cpp:221
#7  0xb3f0692a in MirServerWorker::run() () from /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#8  0xb64a5d04 in call (a=<optimized out>, r=0x7721a0, this=0x7d2060) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:132
#9  QMetaCallEvent::placeMetaCall (this=<optimized out>, object=0x7721a0) at kernel/qobject.cpp:485
#10 0xb64a7f1c in QObject::event (this=<optimized out>, e=<optimized out>) at kernel/qobject.cpp:1241
#11 0xb64873e4 in notify (event=0x7e1878, receiver=0x7721a0, this=0x751b88) at kernel/qcoreapplication.cpp:997
#12 QCoreApplication::notifyInternal (this=0x751b88, receiver=receiver@entry=0x7721a0, event=event@entry=0x7e1878) at kernel/qcoreapplication.cpp:935
#13 0xb6488f9a in sendEvent (event=0x7e1878, receiver=0x7721a0) at kernel/qcoreapplication.h:237
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x772158) at kernel/qcoreapplication.cpp:1539
#15 0xb6489396 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1397
#16 0xb64c2514 in postEventSourceDispatch (s=0xaee00da8) at kernel/qeventdispatcher_glib.cpp:279
#17 0xb5c8ff50 in g_main_dispatch (context=0xaee004d8) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3064
#18 g_main_context_dispatch (context=context@entry=0xaee004d8) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3663
#19 0xb5c900fc in g_main_context_iterate (context=context@entry=0xaee004d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3734
#20 0xb5c9017c in g_main_context_iteration (context=0xaee004d8, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#21 0xb64c278e in QEventDispatcherGlib::processEvents (this=0xaee00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#22 0xb6485a8e in QEventLoop::exec (this=this@entry=0xaecfedf4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#23 0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#24 0xb632634a in QThreadPrivate::start (arg=0x7712c8) at thread/qthread_unix.cpp:345
#25 0xb5faaf98 in start_thread (arg=0xaecff450) at pthread_create.c:311
#26 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 23 (Thread 0xae4ff450 (LWP 2441)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xb3d7e146 in boost::asio::detail::epoll_reactor::run (this=0x7ce8d8, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2  0xb3d7ff4a in do_run_one (ec=..., this_thread=..., lock=..., this=0x7cf940) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3  boost::asio::detail::task_io_service::run (this=0x7cf940, ec=...) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4  0xb3dd44bc in run (this=0x7d28f8) at /usr/include/boost/asio/impl/io_service.ipp:59
#5  operator() (__closure=0xaee02a00) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/server/frontend/published_socket_connector.cpp:165
#6  _M_invoke<> (this=0xaee02a00) at /usr/include/c++/4.9/functional:1700
#7  operator() (this=0xaee02a00) at /usr/include/c++/4.9/functional:1688
#8  std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xaee029f4) at /usr/include/c++/4.9/thread:115
#9  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#10 0xb5faaf98 in start_thread (arg=0xae4ff450) at pthread_create.c:311
#11 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 22 (Thread 0xadcff450 (LWP 2442)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xb3d7e146 in boost::asio::detail::epoll_reactor::run (this=0x7d2ac8, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2  0xb3d7ff4a in do_run_one (ec=..., this_thread=..., lock=..., this=0x7d2a68) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3  boost::asio::detail::task_io_service::run (this=0x7d2a68, ec=...) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4  0xb3dd44bc in run (this=0x7d3438) at /usr/include/boost/asio/impl/io_service.ipp:59
#5  operator() (__closure=0xaee02b68) at /build/buildd/mir-0.8.2+15.04.20150115~rtm/src/server/frontend/published_socket_connector.cpp:165
#6  _M_invoke<> (this=0xaee02b68) at /usr/include/c++/4.9/functional:1700
#7  operator() (this=0xaee02b68) at /usr/include/c++/4.9/functional:1688
#8  std::thread::_Impl<std::_Bind_simple<mir::frontend::BasicConnector::start()::<lambda()>()> >::_M_run(void) (this=0xaee02b5c) at /usr/include/c++/4.9/thread:115
#9  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
---Type <return> to continue, or q <return> to quit---
#10 0xb5faaf98 in start_thread (arg=0xadcff450) at pthread_create.c:311
#11 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 21 (Thread 0xac485450 (LWP 2448)):
#0  0xb44489f4 in ?? ()
#1  0xb43945e6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 20 (Thread 0xabc85450 (LWP 2449)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x81c528, timeout=-1, context=0x81ba90) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=context@entry=0x81ba90, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c9017c in g_main_context_iteration (context=0x81ba90, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#4  0xb64c278e in QEventDispatcherGlib::processEvents (this=0x819cd8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb6485a8e in QEventLoop::exec (this=this@entry=0xabc84df4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#7  0xb632634a in QThreadPrivate::start (arg=0x81b810) at thread/qthread_unix.cpp:345
#8  0xb5faaf98 in start_thread (arg=0xabc85450) at pthread_create.c:311
#9  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 19 (Thread 0xaa9b7450 (LWP 2463)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0xad31a370, timeout=-1, context=0x911948) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=0x911948, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c90398 in g_main_loop_run (loop=0x911910) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3928
#4  0xb391bc8c in gdbus_shared_thread_func (user_data=0x911930) at /build/buildd/glib2.0-2.41.5/./gio/gdbusprivate.c:273
#5  0xb5caac7a in g_thread_proxy (data=0x90fec0) at /build/buildd/glib2.0-2.41.5/./glib/gthread.c:764
#6  0xb5faaf98 in start_thread (arg=0xaa9b7450) at pthread_create.c:311
#7  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 18 (Thread 0xa933a450 (LWP 2534)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xaee034b8, timeout=-1, context=0x955000) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=context@entry=0x955000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c9017c in g_main_context_iteration (context=0x955000, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#4  0xa933fcd0 in ?? () from /usr/lib/arm-linux-gnueabihf/gio/modules/libdconfsettings.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 17 (Thread 0xa830d450 (LWP 2720)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xaed031e8, timeout=-1, context=0xaed00518) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=context@entry=0xaed00518, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c9017c in g_main_context_iteration (context=0xaed00518, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#4  0xb64c278e in QEventDispatcherGlib::processEvents (this=0xaed004a8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb6485a8e in QEventLoop::exec (this=this@entry=0xa830cdbc, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#7  0xa87353da in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/DashCommunicator/libDashCommunicator-qml.so
#8  0xb632634a in QThreadPrivate::start (arg=0x8dd0b0) at thread/qthread_unix.cpp:345
#9  0xb5faaf98 in start_thread (arg=0xa830d450) at pthread_create.c:311
#10 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 16 (Thread 0xa7647450 (LWP 2722)):
#0  0xb6171712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0xad2373fa in boost::asio::detail::epoll_reactor::run (this=0xb491e0, block=block@entry=true, ops=...) at /usr/include/boost/asio/detail/impl/epoll_reactor.ipp:392
#2  0xad239296 in do_run_one (ec=..., this_thread=..., lock=..., this=0xb0f8d8) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:368
#3  boost::asio::detail::task_io_service::run (this=0xb0f8d8, ec=...) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#4  0xad239666 in run (this=0xad25563c <core::dbus::asio::make_executor(std::shared_ptr<core::dbus::Bus> const&)::io>) at /usr/include/boost/asio/impl/io_service.ipp:59
#5  core::dbus::asio::Executor::run (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123~rtm/src/core/dbus/asio/executor.cpp:386
#6  0xad222844 in core::dbus::Bus::run (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123~rtm/src/core/dbus/bus.cpp:343
#7  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#8  0xb5faaf98 in start_thread (arg=0xa7647450) at pthread_create.c:311
#9  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
---Type <return> to continue, or q <return> to quit---
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 15 (Thread 0xa4e48450 (LWP 2770)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb6320b8e in _q_futex (op=0, val=3, timeout=0x0, addr=<optimized out>) at thread/qmutex_linux.cpp:154
#2  lockInternal_helper<false> (timeout=-1, elapsedTimer=0x0, d_ptr=...) at thread/qmutex_linux.cpp:195
#3  QBasicMutex::lockInternal (this=this@entry=0x80d72c) at thread/qmutex_linux.cpp:211
#4  0xb6320c32 in lock (this=0x80d72c) at thread/qmutex.h:67
#5  lock (timeout=-1, this=0x80d720) at thread/qmutex.cpp:628
#6  QMutex::lock (this=this@entry=0x80d864) at thread/qmutex.cpp:223
#7  0xb3c4977a in QDBusMutexLocker (m=0x80d864, s=0x80d838, a=RemoveTimeoutAction, this=<synthetic pointer>) at qdbusthreaddebug_p.h:188
#8  QDBusWatchAndTimeoutLocker (s=0x80d838, a=RemoveTimeoutAction, this=<synthetic pointer>) at qdbusthreaddebug_p.h:210
#9  qDBusRemoveTimeout (timeout=0x9b5cb930, data=0x80d838) at qdbusintegrator.cpp:193
#10 0xb383ba40 in _dbus_timeout_list_remove_timeout (timeout_list=0x80ec40, timeout=0x9b5cb930) at ../../dbus/dbus-timeout.c:347
#11 0xb382a738 in protected_change_timeout (enabled=0, toggle_function=0x0, remove_function=<optimized out>, add_function=0x0, timeout=<optimized out>, connection=<optimized out>) at ../../dbus/dbus-connection.c:848
#12 _dbus_connection_remove_timeout_unlocked (connection=<optimized out>, timeout=<optimized out>) at ../../dbus/dbus-connection.c:895
#13 0xb382ba2e in free_pending_call_on_hash_removal (data=0x9b58c800) at ../../dbus/dbus-connection.c:990
#14 0xb383de92 in free_entry_data (table=<optimized out>, table=<optimized out>, entry=<optimized out>, entry=<optimized out>) at ../../dbus/dbus-hash.c:445
#15 free_entry (entry=0x80f420, table=0x80ec60) at ../../dbus/dbus-hash.c:452
#16 remove_entry (table=table@entry=0x80ec60, bucket=<optimized out>, entry=0x80f420) at ../../dbus/dbus-hash.c:482
#17 0xb383e1a4 in _dbus_hash_table_remove_int (table=table@entry=0x80ec60, key=<optimized out>) at ../../dbus/dbus-hash.c:1163
#18 0xb382a7b0 in _dbus_connection_detach_pending_call_and_unlock (connection=connection@entry=0x80ecc8, pending=pending@entry=0x9b58c800) at ../../dbus/dbus-connection.c:1030
#19 0xb382a7f4 in complete_pending_call_and_unlock (connection=connection@entry=0x80ecc8, pending=pending@entry=0x9b58c800, message=message@entry=0x0) at ../../dbus/dbus-connection.c:2311
#20 0xb382c0d4 in _dbus_connection_block_pending_call (pending=pending@entry=0x9b58c800) at ../../dbus/dbus-connection.c:2526
#21 0xb3838006 in dbus_pending_call_block (pending=pending@entry=0x9b58c800) at ../../dbus/dbus-pending-call.c:748
#22 0xb382c40a in dbus_connection_send_with_reply_and_block (connection=0x80ecc8, message=0x9b5b8b70, timeout_milliseconds=-1, error=0xa4e476a0) at ../../dbus/dbus-connection.c:3530
#23 0xb3c4f9c8 in q_dbus_connection_send_with_reply_and_block (error=0xa4e476a0, timeout_milliseconds=-1, message=0x9b5b8b70, connection=0x80ecc8) at qdbus_symbols_p.h:135
#24 QDBusConnectionPrivate::sendWithReply (this=this@entry=0x80d838, message=..., sendMode=<optimized out>, timeout=timeout@entry=-1) at qdbusintegrator.cpp:1959
#25 0xb3c42b74 in QDBusConnection::call (this=this@entry=0x9b56c9e8, message=..., mode=mode@entry=QDBus::Block, timeout=timeout@entry=-1) at qdbusconnection.cpp:584
#26 0xb3c57512 in QDBusAbstractInterface::callWithArgumentList (this=this@entry=0xa4e477e0, mode=mode@entry=QDBus::Block, method=..., args=...) at qdbusabstractinterface.cpp:484
#27 0xa45cf3cc in QNetworkManagerInterfaceAccessPoint::QNetworkManagerInterfaceAccessPoint (this=0x9b529440, dbusPathName=..., parent=<optimized out>) at qnetworkmanagerservice.cpp:278
#28 0xa45d640a in QNetworkManagerEngine::newAccessPoint (this=0x13ac4c8, path=...) at qnetworkmanagerengine.cpp:681
#29 0xa45e51fc in QNetworkManagerEngine::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qnetworkmanagerengine.cpp:166
#30 0xb64a74bc in QMetaObject::activate (sender=sender@entry=0xb1d04fe0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xa4e4796c) at kernel/qobject.cpp:3680
#31 0xb64a775a in QMetaObject::activate (sender=sender@entry=0xb1d04fe0, m=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xa4e4796c) at kernel/qobject.cpp:3546
#32 0xa45e3176 in QNetworkManagerInterfaceDeviceWireless::accessPointAdded (this=this@entry=0xb1d04fe0, _t1=...) at .moc/moc_qnetworkmanagerservice.cpp:920
#33 0xa45caac0 in QNetworkManagerInterfaceDeviceWireless::slotAccessPointAdded (this=this@entry=0xb1d04fe0, path=...) at qnetworkmanagerservice.cpp:717
#34 0xa45e3e44 in QNetworkManagerInterfaceDeviceWireless::qt_static_metacall (_o=_o@entry=0xb1d04fe0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=8, _a=_a@entry=0xa4e47aa0) at .moc/moc_qnetworkmanagerservice.cpp:801
#35 0xa45e4df8 in QNetworkManagerInterfaceDeviceWireless::qt_metacall (this=0xb1d04fe0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xa4e47aa0) at .moc/moc_qnetworkmanagerservice.cpp:903
#36 0xb3c4d62a in QDBusConnectionPrivate::deliverCall (this=this@entry=0x80d838, object=0xb1d04fe0, msg=..., metaTypes=..., slotIdx=slotIdx@entry=13) at qdbusintegrator.cpp:991
#37 0xb3c52f60 in QDBusCallDeliveryEvent::placeMetaCall (this=0x22245d8, object=<optimized out>) at qdbusintegrator_p.h:103
#38 0xb64a7f1c in QObject::event (this=<optimized out>, e=<optimized out>) at kernel/qobject.cpp:1241
#39 0xb6487318 in QCoreApplication::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:997
#40 0xb64873f4 in QCoreApplication::notifyInternal (this=0x751b88, receiver=receiver@entry=0xb1d04fe0, event=event@entry=0x22245d8) at kernel/qcoreapplication.cpp:935
#41 0xb6488f9a in sendEvent (event=0x22245d8, receiver=0xb1d04fe0) at kernel/qcoreapplication.h:237
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1402558) at kernel/qcoreapplication.cpp:1539
#43 0xb6489396 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1397
#44 0xb64c2514 in postEventSourceDispatch (s=0xb1d01b10) at kernel/qeventdispatcher_glib.cpp:279
#45 0xb5c8ff50 in g_main_dispatch (context=0xb1d00850) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3064
#46 g_main_context_dispatch (context=context@entry=0xb1d00850) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3663
#47 0xb5c900fc in g_main_context_iterate (context=context@entry=0xb1d00850, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3734
#48 0xb5c9017c in g_main_context_iteration (context=0xb1d00850, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#49 0xb64c278e in QEventDispatcherGlib::processEvents (this=0xb1d00c90, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#50 0xb6485a8e in QEventLoop::exec (this=this@entry=0xa4e47df4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#51 0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#52 0xb632634a in QThreadPrivate::start (arg=0x1402480) at thread/qthread_unix.cpp:345
#53 0xb5faaf98 in start_thread (arg=0xa4e48450) at pthread_create.c:311
#54 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 14 (Thread 0xa45c3450 (LWP 2777)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x1400040, timeout=-1, context=0x14005c0) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=context@entry=0x14005c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c9017c in g_main_context_iteration (context=0x14005c0, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#4  0xb64c278e in QEventDispatcherGlib::processEvents (this=0x14002f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
---Type <return> to continue, or q <return> to quit---
#5  0xb6485a8e in QEventLoop::exec (this=this@entry=0xa45c2df4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#7  0xb632634a in QThreadPrivate::start (arg=0x13ec110) at thread/qthread_unix.cpp:345
#8  0xb5faaf98 in start_thread (arg=0xa45c3450) at pthread_create.c:311
#9  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 13 (Thread 0xa3dc3450 (LWP 2778)):
#0  0xb616c992 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0xb644228a in QProcessManager::run (this=0x818138) at io/qprocess_unix.cpp:272
#2  0xb632634a in QThreadPrivate::start (arg=0x818138) at thread/qthread_unix.cpp:345
#3  0xb5faaf98 in start_thread (arg=0xa3dc3450) at pthread_create.c:311
#4  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 12 (Thread 0xa35c2450 (LWP 2815)):
#0  0xb616aaa2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb5c900c0 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xad300c68, timeout=-1, context=0xad30b690) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:4029
#2  g_main_context_iterate (context=context@entry=0xad30b690, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3729
#3  0xb5c9017c in g_main_context_iteration (context=0xad30b690, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#4  0xb64c278e in QEventDispatcherGlib::processEvents (this=0xad30e6c8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb6485a8e in QEventLoop::exec (this=this@entry=0xa35c1da4, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xb6322d1a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:511
#7  0xb67e5a8c in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 11 (Thread 0xa13d3450 (LWP 2840)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (Cannot access memory at address 0x3000000
cond=0x15a0198, mutex=0x15a0178) at pthread_cond_wait.c:187
#2  0xb1c5e0a8 in ?? ()
Cannot access memory at address 0x3000000
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 10 (Thread 0xa0bd3450 (LWP 2841)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (cond=0x158e0c0, mutex=0x158e0a8) at pthread_cond_wait.c:187
#2  0xb632705c in wait (time=4294967295, this=0x158e0a8) at thread/qwaitcondition_unix.cpp:136
#3  QWaitCondition::wait (this=<optimized out>, mutex=0x158df2c, time=4294967295) at thread/qwaitcondition_unix.cpp:208
#4  0xb682f18c in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 9 (Thread 0xa03d3450 (LWP 2842)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (Cannot access memory at address 0x3000000
cond=0xaed05270, mutex=0xaed031c8) at pthread_cond_wait.c:187
#2  0xb1c5e0a8 in ?? ()
Cannot access memory at address 0x3000000
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 8 (Thread 0x9e431450 (LWP 2845)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (cond=0x9e430d98, mutex=0xb0f8f0) at pthread_cond_wait.c:187
#2  0xad239308 in wait<boost::asio::detail::scoped_lock<boost::asio::detail::posix_mutex> > (lock=..., this=0x9e430d98) at /usr/include/boost/asio/detail/posix_event.hpp:80
#3  do_run_one (ec=..., this_thread=..., lock=..., this=0xb0f8d8) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:395
#4  boost::asio::detail::task_io_service::run (this=0xb0f8d8, ec=...) at /usr/include/boost/asio/detail/impl/task_io_service.ipp:153
#5  0xad239666 in run (this=0xad25563c <core::dbus::asio::make_executor(std::shared_ptr<core::dbus::Bus> const&)::io>) at /usr/include/boost/asio/impl/io_service.ipp:59
#6  core::dbus::asio::Executor::run (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123~rtm/src/core/dbus/asio/executor.cpp:386
#7  0xad222844 in core::dbus::Bus::run (this=<optimized out>) at /build/buildd/dbus-cpp-4.3.0+15.04.20150123~rtm/src/core/dbus/bus.cpp:343
#8  0xb627e360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
#9  0xb5faaf98 in start_thread (arg=0x9e431450) at pthread_create.c:311
#10 0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0x9f781450 (LWP 2917)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb5cbff3e in g_cond_wait (cond=cond@entry=0x15e5350, mutex=mutex@entry=0x15e5348) at /build/buildd/glib2.0-2.41.5/./glib/gthread-posix.c:1396
#2  0xb5c7067a in g_async_queue_pop_intern_unlocked (queue=0x15e5348, wait=wait@entry=1, end_time=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:419
#3  0xb5c70a4a in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:475
#4  0xb5cab3ec in g_thread_pool_wait_for_new_task (pool=0x18190a8) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:245
---Type <return> to continue, or q <return> to quit---
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:296
#6  0xb5caac7a in g_thread_proxy (data=0x9103b0) at /build/buildd/glib2.0-2.41.5/./glib/gthread.c:764
#7  0xb5faaf98 in start_thread (arg=0x9f781450) at pthread_create.c:311
#8  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x9d447450 (LWP 2918)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb5cbff3e in g_cond_wait (cond=cond@entry=0x15e5350, mutex=mutex@entry=0x15e5348) at /build/buildd/glib2.0-2.41.5/./glib/gthread-posix.c:1396
#2  0xb5c7067a in g_async_queue_pop_intern_unlocked (queue=0x15e5348, wait=wait@entry=1, end_time=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:419
#3  0xb5c70a4a in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:475
#4  0xb5cab3ec in g_thread_pool_wait_for_new_task (pool=0x18190a8) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:296
#6  0xb5caac7a in g_thread_proxy (data=0xad303e00) at /build/buildd/glib2.0-2.41.5/./glib/gthread.c:764
#7  0xb5faaf98 in start_thread (arg=0x9d447450) at pthread_create.c:311
#8  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0x9b305450 (LWP 2919)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb5cbff3e in g_cond_wait (cond=cond@entry=0x15e5350, mutex=mutex@entry=0x15e5348) at /build/buildd/glib2.0-2.41.5/./glib/gthread-posix.c:1396
#2  0xb5c7067a in g_async_queue_pop_intern_unlocked (queue=0x15e5348, wait=wait@entry=1, end_time=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:419
#3  0xb5c70a4a in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:475
#4  0xb5cab3ec in g_thread_pool_wait_for_new_task (pool=0x18190a8) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:296
#6  0xb5caac7a in g_thread_proxy (data=0xad303f50) at /build/buildd/glib2.0-2.41.5/./glib/gthread.c:764
#7  0xb5faaf98 in start_thread (arg=0x9b305450) at pthread_create.c:311
#8  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x9ab05450 (LWP 2920)):
#0  syscall () at ../ports/sysdeps/unix/sysv/linux/arm/syscall.S:37
#1  0xb5cbff3e in g_cond_wait (cond=cond@entry=0x15e5350, mutex=mutex@entry=0x15e5348) at /build/buildd/glib2.0-2.41.5/./glib/gthread-posix.c:1396
#2  0xb5c7067a in g_async_queue_pop_intern_unlocked (queue=0x15e5348, wait=wait@entry=1, end_time=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:419
#3  0xb5c70a4a in g_async_queue_pop_unlocked (queue=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gasyncqueue.c:475
#4  0xb5cab3ec in g_thread_pool_wait_for_new_task (pool=0x18190a8) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gthreadpool.c:296
#6  0xb5caac7a in g_thread_proxy (data=0x90fef0) at /build/buildd/glib2.0-2.41.5/./glib/gthread.c:764
#7  0xb5faaf98 in start_thread (arg=0x9ab05450) at pthread_create.c:311
#8  0xb617122c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0xa5670450 (LWP 14898)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (Cannot access memory at address 0x3000000
cond=0xa2722878, mutex=0x9e87d148) at pthread_cond_wait.c:187
#2  0xb1c5e0a8 in ?? ()
Cannot access memory at address 0x3000000
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x9a2fd450 (LWP 31247)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fae192 in __pthread_cond_wait (cond=0xb1220cf0, mutex=0xb1220cd8) at pthread_cond_wait.c:187
#2  0xb632705c in wait (time=4294967295, this=0xb1220cd8) at thread/qwaitcondition_unix.cpp:136
#3  QWaitCondition::wait (this=<optimized out>, mutex=0xb12183e0, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:208
#4  0xb631e818 in QFutureInterfaceBase::waitForResult (this=0x9a2fcc4c, resultIndex=<optimized out>) at thread/qfutureinterface.cpp:313
#5  0xa8a90f08 in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/LightDM/libLightDM-qml.so
#6  0xa8a3a092 in pam_vprompt () from /lib/arm-linux-gnueabihf/libpam.so.0
#7  0xa8a3a184 in pam_prompt () from /lib/arm-linux-gnueabihf/libpam.so.0
#8  0xa29c1304 in ?? () from /lib/arm-linux-gnueabihf/security/pam_extrausers.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0xb6f27000 (LWP 2390)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0xb5fb01e4 in __lll_lock_wait (futex=futex@entry=0x80ed60, private=<optimized out>) at ../ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c:46
#2  0xb5fac9a6 in __GI___pthread_mutex_lock (mutex=0x80ed60) at pthread_mutex_lock.c:114
#3  0xb382a532 in _dbus_connection_lock (connection=0x80ecc8) at ../../dbus/dbus-connection.c:397
#4  0xb3837cfe in _dbus_pending_call_get_connection_and_lock (pending=pending@entry=0x9b58c800) at ../../dbus/dbus-pending-call.c:334
---Type <return> to continue, or q <return> to quit---
#5  0xb382cfcc in reply_handler_timeout (data=0x9b58c800) at ../../dbus/dbus-connection.c:3292
#6  0xb3c4928e in q_dbus_timeout_handle (timeout=<optimized out>) at qdbus_symbols_p.h:174
#7  QDBusConnectionPrivate::timerEvent (this=0x80d838, e=0xbe9c00f4) at qdbusintegrator.cpp:1134
#8  0xb64a7ef2 in QObject::event (this=0x80d838, e=0xbe9c00f4) at kernel/qobject.cpp:1263
#9  0xb6487318 in QCoreApplication::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:997
#10 0xb64873f4 in QCoreApplication::notifyInternal (this=0x751b88, receiver=0x80d838, event=event@entry=0xbe9c00f4) at kernel/qcoreapplication.cpp:935
#11 0xb64c1c2e in sendEvent (event=0xbe9c00f4, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#12 QTimerInfoList::activateTimers (this=0x7714ec) at kernel/qtimerinfo_unix.cpp:643
#13 0xb64c1f46 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:185
#14 0xb5c8ff50 in g_main_dispatch (context=0x770fc8) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3064
#15 g_main_context_dispatch (context=context@entry=0x770fc8) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3663
#16 0xb5c900fc in g_main_context_iterate (context=context@entry=0x770fc8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3734
#17 0xb5c9017c in g_main_context_iteration (context=0x770fc8, may_block=1) at /build/buildd/glib2.0-2.41.5/./glib/gmain.c:3795
#18 0xb64c278e in QEventDispatcherGlib::processEvents (this=0x76bff8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#19 0xb6485a8e in QEventLoop::exec (this=this@entry=0xbe9c0240, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#20 0xb648ab8a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#21 0x00014042 in ?? ()
#22 0xb60f5630 in __libc_start_main (main=0x1398d, argc=1, argv=0xbe9c0534, init=<optimized out>, fini=0x17741 <__libc_csu_fini>, rtld_fini=0xb6f154e5 <_dl_fini>, stack_end=0xbe9c0534) at libc-start.c:287
#23 0x000147e4 in _start ()