It could be a gcc 4.9 compiler code optimization (if the ubuntu package have used it).
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=762755 Look message #82 ** Bug watch added: Debian Bug tracker #762755 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=762755 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1553460 Title: named crashed with SIGABRT in isc_assertion_failed() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1553460/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs