TreviƱo's patched edgy version appears to be working. Running Xorg 7.2 for 12 hours now and memory usage is 75 Mb on a system with 2 GB RAM (unpatched version was using 400-500 MB after 12 hours).
-- significant memory leak in xserver 1.2 https://launchpad.net/bugs/92882 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs