Hello. The previous kernel files are not automatically removed for safety reason. If the new kernel work wrong, you can always use the old one. So you need to remove old kernels manually using package manager.
It is not a bug in Ubuntu, so I am closing this bug report. Feel free to continue to report any other bugs you may find. ** Changed in: update-manager (Ubuntu) Status: Incomplete => Invalid -- Updating problem after upgrading from 7.10 to 8.04 https://bugs.launchpad.net/bugs/227459 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs