I've applied the last patch from https://bugs.freedesktop.org/show_bug.cgi?id=7112 and recompiled the driver. It works for me. Driver attached
** Attachment added: "Binary driver" http://librarian.launchpad.net/4936561/xserver-xorg-video-s3_0.4.1-0ubuntu1.1_i386.deb -- Server failure with S3 86c764/765 [Trio32/64/64V+] https://launchpad.net/bugs/33504 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs