[New Thread 0x7fff56ffd700 (LWP 589)]
[New Thread 0x7fff577fe700 (LWP 590)]
[New Thread 0x7fff55ffb700 (LWP 591)]
[New Thread 0x7fff567fc700 (LWP 592)]
[New Thread 0x7fff557fa700 (LWP 593)]
[Thread 0x7fff6bfff700 (LWP 566) exited]
[Thread 0x7fff557fa700 (LWP 593) exited]
[Thread 0x7fff55ffb700 (LWP 591) exited]
[New Thread 0x7fff55ffb700 (LWP 594)]
[New Thread 0x7fff557fa700 (LWP 595)]
[New Thread 0x7fff6bfff700 (LWP 596)]
[New Thread 0x7fff54ff9700 (LWP 597)]
[Thread 0x7fff557fa700 (LWP 595) exited]
[Thread 0x7fff54ff9700 (LWP 597) exited]
[Thread 0x7fff6bfff700 (LWP 596) exited]
[Thread 0x7fff55ffb700 (LWP 594) exited]

Program received signal SIGSEGV, Segmentation fault.
0x0000000001477dee in sigc::bound_mem_functor1<void, RouteUI,
boost::shared_ptr<ARDOUR::Route> >::operator() (
    this=0xe830968, _A_a1=...) at
/usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1851
1851	    { return (obj_.invoke().*(this->func_ptr_))(_A_a1); }
(gdb)