#0  0x00007f965b04d6e0 in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#1  0x00007f965b04737e in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#2  0x00007f965b053389 in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#3  0x00007f965b053db4 in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#4  0x00007f965b054416 in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#5  0x00007f965b05314d in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#6  0x00007f965b03de74 in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#7  0x00007f965b03f21d in ?? () from /tmp/tmpPCTn6b/lib/x86_64-linux-gnu/libdbus-1.so.3
#8  0x00007f965b286232 in PendingCall_block (self=0x1b295a0, unused=<optimized out>) at ../../_dbus_bindings/pending-call.c:70
  [Error: ../../_dbus_bindings/pending-call.c was not found in source tree]
#9  0x0000000000489d40 in call_function (oparg=<optimized out>, pp_stack=0x7f9642c8dbc0) at ../Python/ceval.c:4005
  [Error: ../Python/ceval.c was not found in source tree]
#10 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#11 0x0000000000489920 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7f9642c8dda0, func=<function at remote 0x7f965b4d7320>) at ../Python/ceval.c:4107
  [Error: ../Python/ceval.c was not found in source tree]
#12 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8dda0) at ../Python/ceval.c:4042
  [Error: ../Python/ceval.c was not found in source tree]
#13 PyEval_EvalFrameEx (f=f@entry=Frame 0x1db4b10, for file /usr/lib/python2.7/dist-packages/dbus/proxies.py, line 69, in __call__ (self=<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0...(truncated), throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#14 0x0000000000490a98 in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=<optimized out>, argcount=<optimized out>, kws=kws@entry=0x1b3bb10, kwcount=2, defs=defs@entry=0x0, defcount=defcount@entry=0, closure=0x0) at ../Python/ceval.c:3253
  [Error: ../Python/ceval.c was not found in source tree]
#15 0x000000000049a347 in function_call.15275 (func=<function at remote 0x7f965b4b9c08>, arg=<optimized out>, kw=<optimized out>) at ../Objects/funcobject.c:526
  [Error: ../Objects/funcobject.c was not found in source tree]
#16 0x0000000000499cb4 in PyObject_Call (kw={'dbus_interface': 'com.ubuntu.USBCreator', 'timeout': <float at remote 0x14c93d8>}, arg=(<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0x1e43590>, _named_service=':1.75', _dbus_interface=None, _method_name='UnmountFile', _object_path='/co...(truncated), func=<function at remote 0x7f965b4b9c08>) at ../Objects/abstract.c:2529
  [Error: ../Objects/abstract.c was not found in source tree]
#17 instancemethod_call.8745 (func=<function at remote 0x7f965b4b9c08>, arg=(<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0x1e43590>, _named_service=':1.75', _dbus_interface=None, _method_name='UnmountFile', _object_path='/co...(truncated), kw={'dbus_interface': 'com.ubuntu.USBCreator', 'timeout': <float at remote 0x14c93d8>}) at ../Objects/classobject.c:2602
  [Error: ../Objects/classobject.c was not found in source tree]
#18 0x000000000053d95a in PyObject_Call (kw={'dbus_interface': 'com.ubuntu.USBCreator', 'timeout': <float at remote 0x14c93d8>}, arg=(u'/dev/sdb1',), func=<instancemethod at remote 0x1b2faa0>) at ../Objects/abstract.c:2529
  [Error: ../Objects/abstract.c was not found in source tree]
#19 instance_call.8897 (func=<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0x1e43590>, _named_service=':1.75', _dbus_interface=None, _method_name='UnmountFile', _object_path='/com...(truncated), arg=(u'/dev/sdb1',), kw={'dbus_interface': 'com.ubuntu.USBCreator', 'timeout': <float at remote 0x14c93d8>}) at ../Objects/classobject.c:2153
  [Error: ../Objects/classobject.c was not found in source tree]
#20 0x0000000000489780 in PyObject_Call (kw={'dbus_interface': 'com.ubuntu.USBCreator', 'timeout': <float at remote 0x14c93d8>}, arg=(u'/dev/sdb1',), func=<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0x1e43590>, _named_service=':1.75', _dbus_interface=None, _method_name='UnmountFile', _object_path='/com...(truncated)) at ../Objects/abstract.c:2529
  [Error: ../Objects/abstract.c was not found in source tree]
#21 do_call (nk=<optimized out>, na=<optimized out>, pp_stack=0x7f9642c8e330, func=<_DeferredMethod(_block=<instancemethod at remote 0x1b2fb40>, _proxy_method=<_ProxyMethod(_connection=<SystemBus(_bus_type=1, _signals_lock=<thread.lock at remote 0x7f965ca3a410>, _Connection__call_on_disconnection=[], _dbus_Connection_initialized=1, _bus_names=<WeakValueDictionary(_remove=<function at remote 0x1b1b5f0>, data={}) at remote 0x1b14cf8>, _signal_sender_matches={}, _signal_recipients_by_object_path={}) at remote 0x1833590>, _proxy=<ProxyObject(_requested_bus_name='com.ubuntu.USBCreator', _introspect_lock=<_RLock(_Verbose__verbose=False, _RLock__owner=140283342288640, _RLock__block=<thread.lock at remote 0x7f965ca3aa10>, _RLock__count=1) at remote 0x1e62f50>, _pending_introspect_queue=[], __dbus_object_path__='/com/ubuntu/USBCreator', _bus=<...>, _pending_introspect=<dbus.lowlevel.PendingCall at remote 0x1b295a0>, _introspect_state=1, _introspect_method_map={}, _named_service=':1.75') at remote 0x1e43590>, _named_service=':1.75', _dbus_interface=None, _method_name='UnmountFile', _object_path='/com...(truncated)) at ../Python/ceval.c:4239
  [Error: ../Python/ceval.c was not found in source tree]
#22 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8e330) at ../Python/ceval.c:4044
  [Error: ../Python/ceval.c was not found in source tree]
#23 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#24 0x0000000000489920 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7f9642c8e510, func=<function at remote 0x1b18d70>) at ../Python/ceval.c:4107
  [Error: ../Python/ceval.c was not found in source tree]
#25 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8e510) at ../Python/ceval.c:4042
  [Error: ../Python/ceval.c was not found in source tree]
#26 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#27 0x0000000000489920 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7f9642c8e6f0, func=<function at remote 0x1b18f50>) at ../Python/ceval.c:4107
  [Error: ../Python/ceval.c was not found in source tree]
#28 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8e6f0) at ../Python/ceval.c:4042
  [Error: ../Python/ceval.c was not found in source tree]
#29 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#30 0x0000000000489920 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7f9642c8e8d0, func=<function at remote 0x1b189b0>) at ../Python/ceval.c:4107
  [Error: ../Python/ceval.c was not found in source tree]
#31 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8e8d0) at ../Python/ceval.c:4042
  [Error: ../Python/ceval.c was not found in source tree]
#32 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#33 0x0000000000489920 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7f9642c8eab0, func=<function at remote 0x7f965b4b0aa0>) at ../Python/ceval.c:4107
  [Error: ../Python/ceval.c was not found in source tree]
#34 call_function (oparg=<optimized out>, pp_stack=0x7f9642c8eab0) at ../Python/ceval.c:4042
  [Error: ../Python/ceval.c was not found in source tree]
#35 PyEval_EvalFrameEx (f=f@entry=Frame 0x7f96340024b0, for file /usr/lib/python2.7/threading.py, line 525, in __bootstrap (self=<install(_Thread__ident=140283342288640, _stopevent=<_Event(_Verbose__verbose=False, _Event__flag=False, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a670>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a670>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a670>) at remote 0x1e43450>) at remote 0x1e43410>, _Thread__started=<_Event(_Verbose__verbose=False, _Event__flag=True, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a7b0>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a7b0>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a7b0>) at remote 0x1e43190>) at remote 0x1e43550>, _Verbose__verbose=False, _Thread__initialized=True, retry=<instancemethod at ...(truncated), throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
  [Error: ../Python/ceval.c was not found in source tree]
#36 0x0000000000490a98 in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=<optimized out>, argcount=<optimized out>, kws=kws@entry=0x0, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, closure=0x0) at ../Python/ceval.c:3253
  [Error: ../Python/ceval.c was not found in source tree]
#37 0x000000000049a21c in function_call.15275 (func=<function at remote 0x7f965b4b09b0>, arg=<optimized out>, kw=<optimized out>) at ../Objects/funcobject.c:526
  [Error: ../Objects/funcobject.c was not found in source tree]
#38 0x0000000000499cb4 in PyObject_Call (kw=0x0, arg=(<install(_Thread__ident=140283342288640, _stopevent=<_Event(_Verbose__verbose=False, _Event__flag=False, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a670>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a670>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a670>) at remote 0x1e43450>) at remote 0x1e43410>, _Thread__started=<_Event(_Verbose__verbose=False, _Event__flag=True, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a7b0>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a7b0>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a7b0>) at remote 0x1e43190>) at remote 0x1e43550>, _Verbose__verbose=False, _Thread__initialized=True, retry=<instancemethod at remote 0x1b2f870>, _Thread__block=<_Condition(_Verbose__verbose=False, _Condition__lock=<threa...(truncated), func=<function at remote 0x7f965b4b09b0>) at ../Objects/abstract.c:2529
  [Error: ../Objects/abstract.c was not found in source tree]
#39 instancemethod_call.8745 (func=<function at remote 0x7f965b4b09b0>, arg=(<install(_Thread__ident=140283342288640, _stopevent=<_Event(_Verbose__verbose=False, _Event__flag=False, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a670>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a670>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a670>) at remote 0x1e43450>) at remote 0x1e43410>, _Thread__started=<_Event(_Verbose__verbose=False, _Event__flag=True, _Event__cond=<_Condition(_Verbose__verbose=False, _Condition__lock=<thread.lock at remote 0x7f965ca3a7b0>, acquire=<built-in method acquire of thread.lock object at remote 0x7f965ca3a7b0>, _Condition__waiters=[], release=<built-in method release of thread.lock object at remote 0x7f965ca3a7b0>) at remote 0x1e43190>) at remote 0x1e43550>, _Verbose__verbose=False, _Thread__initialized=True, retry=<instancemethod at remote 0x1b2f870>, _Thread__block=<_Condition(_Verbose__verbose=False, _Condition__lock=<threa...(truncated), kw=0x0) at ../Objects/classobject.c:2602
  [Error: ../Objects/classobject.c was not found in source tree]
#40 0x000000000049a89e in PyObject_Call (kw=<optimized out>, arg=(), func=<instancemethod at remote 0x1b2faf0>) at ../Objects/abstract.c:2529
  [Error: ../Objects/abstract.c was not found in source tree]
#41 PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x1b2faf0>, arg=(), kw=<optimized out>) at ../Python/ceval.c:3890
  [Error: ../Python/ceval.c was not found in source tree]
#42 0x0000000000503068 in t_bootstrap.49363 (boot_raw=0x1f93290) at ../Modules/threadmodule.c:614
  [Error: ../Modules/threadmodule.c was not found in source tree]
#43 0x00007f965c69de9a in start_thread (arg=0x7f9642c8f700) at pthread_create.c:308
  [Error: pthread_create.c was not found in source tree]
#44 0x00007f965bab139d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]
#45 0x0000000000000000 in ?? ()