This is a known problem of the NVIDIA driver. Some workarounds: don't use any animations in Oxygen as it floods NVIDIA's cache or clear the cache from time to time:
#!/bin/sh nvidia-settings -a PixmapCache=0 sleep 2s nvidia-settings -a PixmapCache=1 -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-workspace in Ubuntu. https://bugs.launchpad.net/bugs/787971 Title: Kde kwin very slow after 1 day working -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
