I saw a terrible fps drop between feisty and gutsy, it was due to a irq conflict (see bug n°155985) I solved this by booting with options pnpbios=off irqpoll maybe it could help ?
-- Drastic Framerate drop in Gutsy Beta Compared to Feisty in glxgears [i865] https://bugs.launchpad.net/bugs/146695 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs