The server shutdowns randomly (twice in 15 days) :

20625:20140414:030029.938 In free_ipmi_handler()
20625:20140414:030029.938 End of free_ipmi_handler()
20625:20140414:030029.938 In zbx_vmware_destroy()
20625:20140414:030029.938 In zbx_mem_destroy() descr:'vmware cache size'
20625:20140414:030029.938 End of zbx_mem_destroy()
20625:20140414:030029.938 End of zbx_vmware_destroy()
20625:20140414:030029.938 In free_selfmon_collector() collector:0x7f3ca0edb000
20625:20140414:030029.938 End of free_selfmon_collector()
20625:20140414:030029.938 In unload_modules()
20625:20140414:030029.938 Zabbix Server stopped. Zabbix 2.2.3 (revision 44105).

Sorry, I have no more logs. Zaniwoop had the same issue...

I thread is open "https://www.zabbix.com/forum/showthread.php?t=44970"

Have you any clues ? It's very problematic for us.

PS : VMWare LDD is using.