I've downgraded to 180.29 and it seems to be fixed. I'll wait until next NVidia release.
** Attachment added: "Nvidia 180.29 packages, just install them with dpkg -i *.deb" http://launchpadlibrarian.net/23274242/nvidia_180_29.tar.bz2 -- nvidia driver 180.35 breaks KDE 4 https://bugs.launchpad.net/bugs/335879 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