--On Tuesday, April 7, 2020 11:36 PM +0200 Kevin Olbrich ko@sv01.de wrote:

Def. ANOM_ABEND: Triggered when a processes ends abnormally (with a signal that could cause a core dump, if enabled).

Looks like it's actually crashing but I don't think it's because of "slap_global_control: unrecognized control: 1.3.6.1.4.1.42.2.27.8.5.1" as I can see multiple lines before the crash.

Is it possible that Slapd crashed if it tries to proxy data to a node while it shuts down? Maybe a special case when bind was successful but query failes?

Hi Kevin,

What OpenLDAP Release are you running? I ask, because there was a fix that went into OpenLDAP 2.4.49 specifically for a crasher with back-ldap and controls:

https://bugs.openldap.org/show_bug.cgi?id=9076

Regards, Quanah

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Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: http://www.symas.com