.
Thread 1 (process 17660):
#0  0x00007fead111b981 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#1  0x00007fead119e714 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#2  0x00007fead1158b75 in ?? () from /usr/lib/libQtDesignerComponents.so.4
#3  0x00007fead12552bf in ?? () from /usr/lib/libQtDesignerComponents.so.4
#4  0x00007feacf5551f2 in QMetaObject::activate ()
   from /usr/lib/libQtCore.so.4
#5  0x00007fead125537f in ?? () from /usr/lib/libQtDesignerComponents.so.4
#6  0x00007fead125561f in ?? () from /usr/lib/libQtDesignerComponents.so.4
#7  0x00007feacf5551f2 in QMetaObject::activate ()
   from /usr/lib/libQtCore.so.4
#8  0x00007fead125540f in ?? () from /usr/lib/libQtDesignerComponents.so.4
#9  0x00007fead125581a in ?? () from /usr/lib/libQtDesignerComponents.so.4
#10 0x00007feacf5551f2 in QMetaObject::activate ()
   from /usr/lib/libQtCore.so.4
#11 0x00007fead115f5af in ?? () from /usr/lib/libQtDesignerComponents.so.4
#12 0x00007fead115f67d in ?? () from /usr/lib/libQtDesignerComponents.so.4
#13 0x00007feacf5551f2 in QMetaObject::activate ()
   from /usr/lib/libQtCore.so.4
#14 0x00007fead0376547 in QAbstractButton::clicked ()
   from /usr/lib/libQtGui.so.4
#15 0x00007fead00d40cb in ?? () from /usr/lib/libQtGui.so.4
#16 0x00007fead00d5d32 in ?? () from /usr/lib/libQtGui.so.4
#17 0x00007fead00d5f85 in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#18 0x00007fead01a7b0a in QToolButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#19 0x00007feacfd8297f in QWidget::event () from /usr/lib/libQtGui.so.4
#20 0x00007feacfd3183d in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#21 0x00007feacfd3a18a in QApplication::notify () from /usr/lib/libQtGui.so.4
#22 0x00007feacf53f75c in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#23 0x00007feacfd393d8 in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#24 0x00007feacfda2ec9 in ?? () from /usr/lib/libQtGui.so.4
#25 0x00007feacfda1b38 in QApplication::x11ProcessEvent ()
   from /usr/lib/libQtGui.so.4
#26 0x00007feacfdca514 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007feacd3c30ca in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#28 0x00007feacd3c67a0 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007feacd3c693c in g_main_context_iteration ()
   from /usr/lib/libglib-2.0.so.0
#30 0x00007feacf568e6f in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#31 0x00007feacfdc9c9f in ?? () from /usr/lib/libQtGui.so.4
#32 0x00007feacf53e002 in QEventLoop::processEvents ()
   from /usr/lib/libQtCore.so.4
#33 0x00007feacf53e3cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#34 0x00007feacf540694 in QCoreApplication::exec ()
   from /usr/lib/libQtCore.so.4
#35 0x000000000042fbdb in ?? ()
#36 0x00007feaceb715a6 in __libc_start_main () from /lib/libc.so.6
#37 0x0000000000418739 in ?? ()
#38 0x00007fffd972d0e8 in ?? ()
#39 0x000000000000001c in ?? ()
#40 0x0000000000000001 in ?? ()
#41 0x00007fffd972dbf6 in ?? ()
#42 0x0000000000000000 in ?? ()