Just responding to myself here: I found an acceptable workaround. I downloaded and installed the catalyst driver from ati's web site. The installer script for this driver puts the fglrx_dri.so into the /usr/lib32/dri/ as well as in the /usr/lib/dri. Now everything works again.
-- LIBGL_DRIVERS_PATH is missing /usr/lib32/dri on amd64 https://bugs.launchpad.net/bugs/605126 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs