attaching term.log as suggested by https://wiki.ubuntu.com/DebuggingUpdateManager
** Attachment added: "term.log" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1504252/+attachment/4488959/+files/term.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1504252 Title: upgrade from 14.10 to 15.04 fails: x11-utils_7.7+2build1_amd64.deb Hash Sum mismatch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1504252/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
