System Shutdown On OOM

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Hello all,

had an issue on with a virtualmachine on XenServer 7.0 yesterday. It is a CentOS 7.4.1708 and in a OOM situation it just shut down. No kernel panic where I could see a message, but it just turned itself off.

All I could see in the /var/log/messages was the following:

2 thoughts on - System Shutdown On OOM

  • Am 25.09.2017 um 18:20 schrieb Steven Tardy:

    No ‘sar’ installed. It is a client server where I do not want to mess around to much. Yesterday happened again, it tried to kill httpd processes, but all have a oom_score_adj of -1000. So nothing could be killed. Where does CentOS 7.4 set the oom_score_adj? Maybe I should lower it, as it seems to me as there is mod_php involved and some processes get stuck and fill the memory.

    Greetings, Thomas