Ubuntu

Comment 2 for bug 859234

StacktraceTop:
 unity::PlacesStyle::GetDefaultNColumns (this=0x0) at /build/buildd/unity-4.16.0/plugins/unityshell/src/PlacesStyle.cpp:84
 unity::dash::LensView::UpdateCounts (this=0x7f5ec40536a0, group=0x46027e0) at /build/buildd/unity-4.16.0/plugins/unityshell/src/LensView.cpp:196
 unity::dash::LensView::OnResultRemoved (this=0x7f5ec40536a0, result=...) at /build/buildd/unity-4.16.0/plugins/unityshell/src/LensView.cpp:189
 emit (_A_a1=..., impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010
 emit (_A_a1=..., this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2781