Thanks for your report.
Could you please revert xorg from xorg-edgers and firefox (and related
packages) to the versions from the official repository. You can install
ppa-purge to help you with this.
I'm closing this report because it is not a bug with Ubuntu. Don't
hesitate to submit any new bug.
** Changed in: update-manager (Ubuntu)
Status: Incomplete => Invalid
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/777352
Title:
do-release-upgrade can't calculate the changes
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
