I was wrong that there should be dbg transition packages. "When transitioning to the new system, just drop the -dbg package."
https://wiki.debian.org/DebugPackage So, install dbgsym manually. ** Changed in: chromium-browser (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1621949 Title: chromium-browser-dbg missing for 52.x To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1621949/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs