Same issue here, also with x86_64 + nvidia driver. It behaves like this irregardless of how many displays you have.
-- [KDE4] Kwin transparency is not working over 50% on AMD64 https://bugs.launchpad.net/bugs/213844 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
