I have found the same problem, also with a voodoo 3 3000. GDM and Gnome work fine when using vesa.
I can provide any needed logs if requested. -- GDM Restarts after Desktop loads while using tdfx driver https://launchpad.net/bugs/68291 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs