The last bits of the log file show it clearing some of the file system after that its mostly kernel messages:
Feb 20 07:01:49 ubuntu-gnome clear_partitions: Removing var/lib/xfonts from / (/dev/sda5). Feb 20 07:01:49 ubuntu-gnome clear_partitions: Removing var/lib/xkb from / (/dev/sda5). Feb 20 07:01:49 ubuntu-gnome clear_partitions: Removing var/lib/xml-core from / (/dev/sda5). Feb 20 07:01:51 ubuntu-gnome kernel: [ 1005.160536] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: errors=remount-ro Feb 20 07:01:51 ubuntu-gnome ubiquity: mount: /dev/sda2 is already mounted or /target/boot/efi busy Feb 20 07:01:51 ubuntu-gnome ubiquity: /dev/sda2 is already mounted on /target/boot/efi Feb 20 07:02:19 ubuntu-gnome ubiquity[4029]: debconffilter_done: ubiquity.components.partman_commit (current: ubi-usersetup) Feb 20 07:03:19 ubuntu-gnome ubiquity[4029]: debconffilter_done: ubi-usersetup (current: ubi-usersetup) Feb 20 07:03:19 ubuntu-gnome ubiquity[4029]: Step_before = stepUserInfo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423830 Title: Trusty -> Vivid upgrade via live DVD froze (UEFI dual boot) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1423830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
