I am running a posgres server with a zabbix server and zabbix agent and I am getting a bunch errors about SIGALRM, It makes postgres drop connections randomly.
Ubuntu 14.04.2 LTS Linux Host 3.19.0-21-generic #21~14.04.1-Ubuntu SMP Sun Jun 14 18:45:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Postgres 9.4.4 CPU: model name : Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz Memory: 4GB No significant load is on the machine. 2015-06-19 08:45:22 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument 2015-06-19 08:45:53 PDT FATAL: could not enable SIGALRM timer: Invalid argument Any help appreciated.