You do not have to use this tone. I doesn't affect 'linux' because it is not a problem with the kernel and it does not affect 'update-manager' because it is not a problem with this tool.
It happens because: 1. you are trying to upgrade from an unsupported release (17.04 reached end of life on Jan. 13th) 2. you are using invalid entries in apt sources list (http://archive.ubuntu.com/ubuntu stable Release) not set by Ubuntu (any third party installer added it, or from the command line maybe?) The upgrade from end of life release is documented on this wiki page: https://help.ubuntu.com/community/EOLUpgrades There is also a very good answer on askubuntu.com: https://askubuntu.com/questions/91815/how-to-install-software-or- upgrade-from-an-old-unsupported-release/91821#91821 Remove the invalid entry from your sources list files and follow the instruction on the askubuntu post and you should be able to upgrade. I'm closing this report because it is not a bug with Ubuntu. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1743995 Title: Upgrade 17.04 to 17.10 not possible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1743995/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
