Same problem here. It's a fresh Kubuntu 11.04 x64 install on a new Lenovo Thinkpad. It takes a long time to appear for first time, but if I cancel the Exit dialog, then every time I press the power button the dialog appears immediately.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/713198 Title: Power button delay dialog in kde 4.6 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs