I have the same problem when upgrading from 10.04 to 10.10. I'm behind proxy with basic auth (squid), proxy settings sets in env and apt.cont. Installing and updating packages works well.
> sudo do-release-upgrade do nothing, so I replaced /var/lib/update-manager/meta-release from http://changelogs.ubuntu.com/meta-release manualy, then all works fine. -- url_downloadable ignores proxy settings https://bugs.launchpad.net/bugs/446552 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
