I HAD the same problem on a newly installed hardy heron. This is what fixed it:
Went to appearance preferences, visual effects, chose normal. Nvidia-glx started to install. After it did, this bug was gone. -- gnome-system-monitor resources graphs unstable on window resize https://bugs.launchpad.net/bugs/194953 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