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Thread 1 (Thread 3019):
#0  0x0627ed00 in QWidgetItemV2::maximumSize() const ()
   from /usr/lib/libQtGui.so.4
#1  0x0050e40e in Solid::Control::BluetoothInterface::~BluetoothInterface() ()
   from /usr/lib/libsolidcontrol.so.4
#2  0x08052c04 in _start ()