Comment 8 for bug 1537528

That would imply it was resolved in slang2 (libslang2) 2.3.0-4 which is in everything later than Xenial.

The change to consider for backporting would be https://git.launchpad.net/ubuntu/+source/slang2/tree/debian/patches/init-crash.patch?id=e633289c99ede705274a1b337a0deff5f8e08779

We should try to build a ppa to check if the referenced bug in comment #7 really would hold a fix to this byobu issue - setting server-next.