I also confirm this problem going from vanilla Feisty to Gutsy Beta and attach requested files.
** Attachment added: "dist-upgrade logs" http://launchpadlibrarian.net/9545322/dist-upgrade.zip -- update-manager could not calculate the upgrade https://bugs.launchpad.net/bugs/138393 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
