On an apt-get upgrade I get: file /usr/X11R6/lib/libOSMesa.so.4 from install of Mesa-5.0.1-alt7 conflicts with file from package XFree86-libs-4.3.0-alt3 Expected Results: A Mesa upgrade should also upgrade XFree86-libs seamlessly. This could be achieved by Conflicts: tag in Mesa package.
fixed (XFree86-4.3.0-alt4)