I have probably the same problem trying to upgrade a server behind a proxy using do-release-upgrade. proxy is set using http_proxy environment variable.
# do-release-upgrade Checking for a new ubuntu release <= here it wait for about two hours, then process continue Done Upgrade tool signature Done Upgrade tool Done downloading extracting 'lucid.tar.gz' .... <= upgrade finished normally During all the wait time netstat show connection like the following to a number of different servers: tcp 0 1 10.16.49.221:35150 130.59.10.36:80 SYN_SENT 6109/python2.6 During package download the connection was to the proxy as expected. -- Karmic to Lucid upgrade behind proxy seems to fail/only with two hours delay https://bugs.launchpad.net/bugs/574439 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