There were a ton of errors contacting the us.archive.ubuntu.com mirror during your upgrade.
2015-06-30 21:20:09,283 ERROR IOError in cache.commit(): 'Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/b/base-files/base-files_7.2ubuntu9_i386.deb Could not resolve 'us.archive.ubuntu.com' Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/b/bash/bash_4.3-11ubuntu2_i386.deb Could not resolve 'us.archive.ubuntu.com' Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/s/systemd/libsystemd0_219-7ubuntu6_i386.deb Could not resolve 'us.archive.ubuntu.com' Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/libc/libcap2/libcap2_2.24-6_i386.deb Could not resolve 'us.archive.ubuntu.com' I would try logging in via a different desktop session and try running update-manager. ** 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/1470577 Title: After upgrade, cannot login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1470577/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
