Right, sorry. I tested on Trusty by installing the -proposed package (see below) yesterday then checked this AM if nagios had crashed during the log rotation (midnight). It didn't while it used to crash every single nights before. So the problem is fixed by the -proposed package, thanks!
$ apt-cache policy check-mk-livestatus check-mk-livestatus: Installed: 1.2.2p3-1ubuntu0.1 Candidate: 1.2.2p3-1ubuntu0.1 Version table: *** 1.2.2p3-1ubuntu0.1 0 100 /var/lib/dpkg/status 1.2.2p3-1 0 500 http://archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1372284 Title: nagios3 + livestatus: SIGSEGV everyday at midnight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/check-mk/+bug/1372284/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs