Sorry, some typo's 1. leaves me in non-bootable state (Grub entry is 12.04 but not found...)
2. apt-get update ; apt-get upgrade -y --force-yes ; apt-get dist-upgrade -y reboot the system and do-release-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1142086 Title: update fails on lucid to precise - xubuntu - many errors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1142086/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs