I've got the same problem -- disappearing mouse cursors when hovering. Also an older machine, also running classic for want of sufficient horses to run Unity.
stewart@ubuntu:~$ lspci|grep VGA 00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in Ubuntu. https://bugs.launchpad.net/bugs/774434 Title: mouse pointer disappears in ubuntu 11.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/774434/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs