In VarLogDistupgradeMainlog.txt we can see a failure to communicate with the us.archive.ubuntu.com mirror:
2015-10-25 14:30:13,729 DEBUG running doUpdate() (showErrors=True) 2015-10-25 14:31:50,118 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/universe/binary-i386/Packages Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/multiverse/binary-i386/Packages Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/main/i18n/Translation-en Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/multiverse/i18n/Translation-en Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/restricted/i18n/Translation-en Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/wily-security/universe/i18n/Translation-en Unable to connect to security.ubuntu.com:http: [IP: 2001:67c:1562::17 80] , W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/wily/universe/source/Sources Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::14). - connect (101: Network is unreachable) [IP: 2001:67c:1562::14 80] Its possible this was a temporary issue. Please try the upgrade again and report back, thanks! ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509856 Title: Trying to upgrade to 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1509856/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
