That corrected it. My performance is now about 18 fps, still lower than I used to get, but it's now playable.
Google Earth now no longer complains, but I accidentally left an image overlay on it while in software mode and now it freezes a few seconds after the program starts, as indicated in my bug report here when image overlays are used. https://bugs.launchpad.net/ubuntu/+source/googleearth- package/+bug/165117 -- 2.5.1 driver release is outrageously slow https://bugs.launchpad.net/bugs/303011 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