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Re: (ITS#8436) slapadd hang in bdb_tool_entry_close / ldap_pvt_thread_cond_wait

Dear Mark,

On 05/25/16 2:38 PM, Mark Bannister wrote:
> Can anyone shed light on why my slapadd process on Solaris 11 was
> hanging (slapd 2.4.30)?  I was piping â??gunzip -câ?? through to slapadd
> (from an overnight cron job).  This usually works fine.  Iâ??m guessing
> perhaps the gunzip process encountered an error, maybe an EPIPE was
> sent, but the stack trace many days later from slapadd doesnâ??t look
> right.  Only 2 threads, and both of them in
> ldap_pvt_thread_cond_wait(), but no other threads so what are they
> waiting for exactly?

I've just come across your problem report which you posted to the
"openldap-its" mailing list in this year's May:


Today, I encountered a similar hang of our OpenLDAP 2.4.30 server on a
Solaris 11.3(.11.6.0) host.

It is quite interesting that the function "bdb_tool_entry_close" doesn't
seem to play a role in my case, but "ldap_pvt_thread_cond_wait" and
"ldap_int_thread_pool_wrapper" do seem to.

My questions to your address and to the mailing list are: Has the
bug/problem been fully analyzed and has it been fixed in the meantime?
Mark, did you have another hang of this kind or any similar problems
with your OpenLDAP installation?

Thank you very much in advance for any helpful hints!

Kind regards,

Dipl.-Inf. Steffen Moser
School of Advanced Professional Studies            Room: 45.3.110
Ulm University                                     Tel: +49.731.50-32407
Albert-Einstein-Allee 45                           Fax: +49.731.50-32409
89081 Ulm, Germany                               http://saps.uni-ulm.de/