This upgrade failed due to an inability to contact the mirror of Ubuntu which you use:
2015-09-07 10:29:38,257 DEBUG running doUpdate() (showErrors=True) 2015-09-07 10:37:42,890 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/universe/source/Sources Unable to connect to ftp.iitm.ac.in:http: , W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/multiverse/source/Sources Unable to connect to ftp.iitm.ac.in:http: , W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/main/binary-i386/Packages Unable to connect to ftp.iitm.ac.in:http: , W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/restricted/binary-i386/Packages Unable to connect to ftp.iitm.ac.in:http: , W:Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/vivid/universe/binary-i386/Packages Unable to connect to ftp.iitm.ac.in:http: Please try using a different server or check to see if there is an issue with your network. ** 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/1492893 Title: 15.04 upgrade crashed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1492893/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
