Hi Jack, >> Is that newer version then also checked out in libdc1394v2 pkg? And >> does that mean we shall better de-install system installation of it? > > No, we're talking about alternate kernel driver implementations. The > library sits above them in user space. I perfectly understand this. Let me then rephrase the question a bit. Is camera1394 using /usr/lib/libdc1394.so.22 (installed with aptitude in ubuntu for instance) or ros-pkg-trunk/stacks/camera_drivers_experimental/libdc1394v2/libdc1394v2/lib/libdc1394.so library? cheers, D.