Thanks for your report. Please revert Xorg from xorg-edgers to the version from the official repository before upgrading. You can install ppa-purge to help you with this.
I'm closing this report because it is not a bug with Ubuntu. ** Changed in: update-manager (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/774611 Title: Unable to upgrade from Maverick to Natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs