Well, I now know WHAT caused the coredump; a passwd change request. and I was stracing the slapd process while it happened so I have that as well.
--- Regards, Kevin Martin On Fri, Aug 27, 2021 at 10:33 AM Maucci, Cyrille <[email protected]> wrote: > Definitely core dumps are hooked to system-coredump. > > I don’t know this subsystem but I’m sure google knows. > > If I was like you, facing such a situation an unable to figure out where > system-coredump throws the thing, I’d change kernel.core_pattern to a good > old core.%p and have the core being reproduced. > > > > *From:* kevin martin [mailto:[email protected]] > *Sent:* Friday, August 27, 2021 5:28 PM > *To:* Maucci, Cyrille <[email protected]> > *Cc:* [email protected] > *Subject:* Re: OpenLDAP 2.5.7 dies > > > > Sorry, didn't finish: > > > > kernel.core_pattern = |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c > %h %e > > > > yet no coredump under systemd/coredump... > > --- > > > > > > Regards, > > > > Kevin Martin > > > > > > On Fri, Aug 27, 2021 at 10:27 AM kevin martin <[email protected]> wrote: > > on systems that are RHEL 8 or equivalent, isn't systemd-coredump used if > kernel.core_pattern is set as such (thereby not needing abrt) or am I > mistaken? my ulimit -c says unlimited and my sysctl setting is: > > --- > > > > > > Regards, > > > > Kevin Martin > > > > > > On Fri, Aug 27, 2021 at 10:20 AM Maucci, Cyrille <[email protected]> > wrote: > > Linux basics… > > > > Check kernel.core_pattern using sysctl -a > > Check ulimit -c > > Check if you have abrt installed.. > > > > ++Cyrille > > > > *From:* kevin martin [mailto:[email protected]] > *Sent:* Friday, August 27, 2021 5:16 PM > *To:* Maucci, Cyrille <[email protected]> > *Cc:* [email protected] > *Subject:* Re: OpenLDAP 2.5.7 dies > > > > hmm, where might the core dump be? > > > --- > > > > > > Regards, > > > > Kevin Martin > > > > > > On Fri, Aug 27, 2021 at 10:03 AM Maucci, Cyrille <[email protected]> > wrote: > > Grab the core dump and extract the stack traces ? > > > > *From:* kevin martin [mailto:[email protected]] > *Sent:* Friday, August 27, 2021 5:01 PM > *To:* [email protected] > *Subject:* OpenLDAP 2.5.7 dies > > > > Aug 27 14:25:38 newldap0.mgt.ch3.bmi slapd[38335]: ppm: Reading > pwdCheckModuleArg attribute > Aug 27 14:25:38 newldap0.mgt.ch3.bmi systemd[1]: slapd.service: Main > process exited, code=killed, status=11/SEGV > Aug 27 14:25:38 newldap0.mgt.ch3.bmi systemd[1]: slapd.service: Failed > with result 'signal'. > > > > is this a known issue? Oracle Linux 8. what can I do to help determine > what occurred? > > > > --- > > > > > > Regards, > > > > Kevin Martin > >
