Core was generated by `compiz'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  std::_Rb_tree<UFDeviceProperty, std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > >, std::_Select1st<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > >, std::less<UFDeviceProperty>, std::allocator<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > > >::_M_lower_bound (this=<optimized out>, __k=<synthetic pointer>, __y=0x3ea8ef8, __x=0x80001)
    at /usr/include/c++/5/bits/stl_tree.h:1644

1644    if (!_M_impl._M_key_compare(_S_key(__x), __k))
[Current thread is 1 (Thread 0x7f64e38df780 (LWP 17774))]
(gdb) bt
#0  std::_Rb_tree<UFDeviceProperty, std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > >, std::_Select1st<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > >, std::less<UFDeviceProperty>, std::allocator<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > > >::_M_lower_bound (this=<optimized out>, __k=<synthetic pointer>, __y=0x3ea8ef8, __x=0x80001)
    at /usr/include/c++/5/bits/stl_tree.h:1644
#1  std::_Rb_tree<UFDeviceProperty, std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > >, std::_Select1st<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > >, std::less<UFDeviceProperty>, std::allocator<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > > >::find (__k=<synthetic pointer>, this=0x3ea8ef0) at /usr/include/c++/5/bits/stl_tree.h:2308
#2  std::map<UFDeviceProperty, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> >, std::less<UFDeviceProperty>, std::allocator<std::pair<UFDeviceProperty const, std::unique_ptr<oif::frame::Value const, std::default_delete<oif::frame::Value const> > > > >::find (__x=<synthetic pointer>, this=0x3ea8ef0) at /usr/include/c++/5/bits/stl_map.h:871
#3  oif::frame::Property<UFDeviceProperty>::GetProperty<void> (data=0x584cf18, property=UFDevicePropertyDirect, this=0x3ea8ee8)
    at property.h:52
#4  frame_device_get_property (device=device@entry=0x3ea8ee0, property=property@entry=UFDevicePropertyDirect, value=value@entry=0x584cf18)
    at device.cpp:114
#5  0x00007f64c3f6fe55 in oif::grail::Recognizer::Recognizer (this=0x584cef0, handle=<optimized out>, device=0x3ea8ee0, 
    window_id=<optimized out>) at recognizer.cpp:55
#6  0x00007f64c3f72a19 in oif::grail::RegularRecognizer::RegularRecognizer (this=0x584cef0, handle=<optimized out>, device=<optimized out>, 
    window_id=<optimized out>) at regular-recognizer.cpp:46
#7  0x00007f64c3f6e28e in oif::grail::UGHandle::CreateRecognizerForSubscription (this=this@entry=0x2ad95a0, 
    subscription=subscription@entry=0x4677d50) at handle.cpp:62
#8  0x00007f64c3f6e470 in oif::grail::UGHandle::ActivateSubscription (this=0x2ad95a0, subscription=0x4677d50) at handle.cpp:88
#9  0x00007f64c4191b6c in _geis_grail_activate_for_device_region (gbe=gbe@entry=0x2b023f8, filter=filter@entry=0x2ada810, 
    device=device@entry=0x4bbe100, window_id=<optimized out>, subscription=subscription@entry=0x2ada7d0) at geis_grail_backend.c:2240
#10 0x00007f64c41921a1 in _grail_be_activate_for_device (gbe=gbe@entry=0x2b023f8, filter=0x2ada810, device=device@entry=0x4bbe100, 
    subscription=0x2ada7d0) at geis_grail_backend.c:2277
#11 0x00007f64c4192362 in _grail_be_subscribe_new_device (device=0x4bbe100, gbe=0x2b023f8) at geis_grail_backend.c:828
#12 _grail_be_activate_device (be=0x2b023f8, device=0x4bbe100) at geis_grail_backend.c:1942
#13 0x00007f64c418d548 in _device_event_handler (event=0x4b6b820, geis=0x2b02920) at geis.c:159
#14 _input_event_handler (fd=<optimized out>, activity=<optimized out>, context=0x2b02920) at geis.c:271
#15 0x00007f64c4187786 in geis_backend_multiplexor_pump (mx=0x2b02a50) at geis_backend_multiplexor.c:412
#16 0x00007f64c418da49 in geis_dispatch_events (geis=<optimized out>) at geis.c:1091
#17 0x00007f64c1d396d5 in nux::GeisAdapter::ProcessGeisEvents (this=0x2b02880) at GeisAdapter.cpp:144
#18 0x00007f64c1d3a4bc in (anonymous namespace)::geis_source_dispatch (user_data=<optimized out>) at GeisAdapter.cpp:66
#19 0x00007f64e13ea05a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f64e13ea400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f64e13ea722 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#22 0x00007f64e34738cf in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) ()
   from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010
#23 0x00000000004017c1 in main ()