At least for the karmic -> lucid path the upgrade does work indeed - but only with waiting for ~2 hours :-(. After this time of waiting the upgrade works as expected (with using the proxy), see #574439.
At least for the karmic -> lucid path the upgrade does work indeed - but only with waiting for ~2 hours :-(. After this time of waiting the upgrade works as expected (with using the proxy), see #574439.