Application information: Application version: r2.4.4-1 Installation root: /usr Sysconf directory: /etc Run directory: /run Local state directory: /var Package data directory: /usr/share/icinga2 State path: /var/lib/icinga2/icinga2.state Modified attributes path: /var/lib/icinga2/modified-attributes.conf Objects path: /var/cache/icinga2/icinga2.debug Vars path: /var/cache/icinga2/icinga2.vars PID path: /run/icinga2/icinga2.pid System information: Platform: Ubuntu Platform version: 14.04, Trusty Tahr Kernel: Linux Kernel version: 3.13.0-24-generic Architecture: x86_64 Stacktrace: (0) libpthread.so.0: (+0x10340) [0x7f7458ff7340] (1) libc.so.6: gsignal (+0x39) [0x7f7457d90f79] (2) libc.so.6: abort (+0x148) [0x7f7457d94388] (3) libc.so.6: (+0x2fe36) [0x7f7457d89e36] (4) libc.so.6: (+0x2fee2) [0x7f7457d89ee2] (5) libicinga.so: (+0x184ec3) [0x7f7453856ec3] (6) libicinga.so: icinga::Downtime::RemoveDowntime(icinga::String const&, bool, bool, boost::intrusive_ptr const&) (+0x6e7) [0x7f7453871c17] (7) libicinga.so: icinga::Downtime::DowntimesExpireTimerHandler() (+0x359) [0x7f7453872a69] (8) libbase.so: boost::signals2::detail::signal_impl const&), boost::signals2::optional_last_value, int, std::less, boost::function const&)>, boost::function const&)>, boost::signals2::mutex>::operator()(boost::intrusive_ptr const&) (+0x1cc) [0x7f7458d6cf6c] (9) libbase.so: icinga::Timer::Call() (+0x29) [0x7f7458d1a6a9] (10) libbase.so: icinga::ThreadPool::WorkerThread::ThreadProc(icinga::ThreadPool::Queue&) (+0x326) [0x7f7458d17496] (11) libboost_thread.so.1.54.0: (+0xba4a) [0x7f7459682a4a] (12) libpthread.so.0: (+0x8182) [0x7f7458fef182] (13) libc.so.6: clone (+0x6d) [0x7f7457e5530d] *** * This would indicate a runtime problem or configuration error. If you believe this is a bug in Icinga 2 * please submit a bug report at https://dev.icinga.org/ and include this stack trace as well as any other * information that might be useful in order to reproduce this problem. *** Failed to launch GDB: No such file or directory