Thanks for your report. Please revert xserver-xorg-video-intel to the version from the official Ubuntu repository before upgrading.
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/774092 Title: Upgrade impossible - 10.10 -> 11.04 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs