Sorry, I was not at home. And I have exactly the same problem than Joseph. The unminimizing/maximizing/unmaximizing and the opening of a new window make the total system stops for a little time.
Here is the lspci -vvnn output : ** Attachment added: "lspci-vvnn.txt" http://launchpadlibrarian.net/25551106/lspci-vvnn.txt -- [ubuntu 9.04 beta]slow unminimizing with ati card and desktop effects enabled https://bugs.launchpad.net/bugs/351186 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