For me it also happens, but only on my computer with the nvidia driver. My computer with Intel works, so it could be nvidia specific.
** Changed in: kdebase-workspace (Ubuntu) Status: New => Confirmed -- Mouse events fail frequently and unpredictably, requiring kwin restart https://bugs.launchpad.net/bugs/505494 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-workspace in ubuntu. -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs