Comment 2 for bug 1371494

StacktraceTop:
 nsExceptionService::GetCurrentExceptionManager (this=0x7f19c8000f10, this@entry=0xc8a840, aCurrentScriptManager=0x1) at /build/buildd/virtualbox-4.3.14-dfsg/src/libs/xpcom18a4/xpcom/base/nsExceptionService.cpp:281
 DConnectStub::CallMethod (this=0x7f19c8000e00, aMethodIndex=3, aInfo=0xc8b480, aParams=0x7f19fca31970) at /build/buildd/virtualbox-4.3.14-dfsg/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2516
 PrepareAndDispatch (self=0x7f19c8000e00, methodIndex=<optimized out>, args=<optimized out>, gpregs=0x7f19fca31a30, fpregs=0x7f19fca31a60) at /build/buildd/virtualbox-4.3.14-dfsg/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_x86_64_linux.cpp:156
 SharedStub () from /tmp/apport_sandbox_JORXTW/usr/lib/virtualbox/VBoxXPCOM.so
 ListenerImpl<UIMainEventListener, QObject*>::HandleEvent (this=0xd08f40, aEvent=0x7f19c8000e00) at /build/buildd/virtualbox-4.3.14-dfsg/include/VBox/com/listeners.h:160