It could be https://bz.apache.org/bugzilla/show_bug.cgi?id=62044. That patch (https://bz.apache.org/bugzilla/attachment.cgi?id=35723) is quite big (~30kbytes), but applies cleanly to the bionic package.
** Bug watch added: bz.apache.org/bugzilla/ #62044 https://bz.apache.org/bugzilla/show_bug.cgi?id=62044 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784336 Title: Apache Reload Crash with slotmem-shm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1784336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs