I'm wondering if you have some sort of configuration option that's not auto-adding dependencies. What happens if you try to install the package from the software center (search for "libgl1-mesa-dri:i386"). You might also need "libgl1-mesa-glx:i386", but I don't believe that's necessary.
I'm wondering if you have some sort of configuration option that's not auto-adding dependencies. What happens if you try to install the package from the software center (search for "libgl1- mesa-dri: i386"). You might also need "libgl1- mesa-glx: i386", but I don't believe that's necessary.