*** This bug is a duplicate of bug 1534374 *** https://bugs.launchpad.net/bugs/1534374
Please install one of the following meta packages, probably ubuntu- desktop, for the upgrade to get further along. 2015-12-13 11:45:56,040 DEBUG none of the '['ubuntu-desktop', 'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop', 'mythbuntu-desktop', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop', 'ubuntu-gnome-desktop']' meta-pkgs installed 2015-12-13 11:45:56,040 DEBUG guessing 'ubuntu-desktop' as missing meta-pkg 2015-12-13 11:45:57,188 ERROR failed to mark 'ubuntu-desktop' for install (E:Unable to correct problems, you have held broken packages.) 2015-12-13 11:45:57,328 DEBUG blacklist expr 'unity$' matches 'unity' 2015-12-13 11:45:57,328 DEBUG The package 'unity' is marked for removal but it's in the removal blacklist 2015-12-13 11:45:57,395 ERROR Dist-upgrade failed: 'The package 'unity' is marked for removal but it is in the removal blacklist.' ** This bug has been marked a duplicate of bug 1534374 unable to upgrade to 15.04 due to libstdc++6 SRU -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1525635 Title: upgrade from 14.04 to 14.10 fails. Objective of upgrade is no sound after installing ubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1525635/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs