I just did a clean, fresh-install of the final Kubuntu 12.04 (amd64) and only installed openssh-server and nomachine's NX. I am experiencing exactly this bug here as well.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libx11 in Ubuntu. https://bugs.launchpad.net/bugs/985202 Title: libx11 causes kwin to crash on login (over NX protocol) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/985202/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp