I'm not sure what that link points to but neither plasma-workspace-dbg nor plasma-workspace-dbgsym is installable on my system. Neither of these packages is found at http://packages.ubuntu.com/ in yakkety (search by package names).
I've attached my /etc/apt/sources.list. ** Changed in: plasma-workspace (Ubuntu) Status: Invalid => New ** Attachment added: "/etc/apt/sources.list" https://bugs.launchpad.net/ubuntu/+source/plasma-workspace/+bug/1640450/+attachment/4781386/+files/sources.list -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1640450 Title: Missing debug symbols package for plasma-workspace To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-workspace/+bug/1640450/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs