RE: slurpd core dump on exit (ITS#2363)

[hyc@highlandsun.com]

This is now fixed in CVS HEAD, please test.

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc
  Symas: Premier OpenSource Development and Support

> -----Original Message-----
> From: owner-openldap-bugs@OpenLDAP.org
> [mailto:owner-openldap-bugs@OpenLDAP.org]On Behalf Of
benjamin.harristhal@sbc.com

>
> Full_Name: Benjamin Harrsithal
> Version: 2.1.12
> OS: AIX 4.3
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (144.160.98.28)
>
>
> I experience a core dump when my slurpd is shutting down on
> an AIX platform.
> I run my LDAP environment across several OS's and several
> platforms.  AIX is the
> only one where this problem occurs.  The core dump occurs
> just about every time
> I shut the slurpd down and it always has the same call stack.
>
> I have done several things in trying to diagnose this problem:
> 1. tested pthread_kill.
> 2. looked for memory leaks using purify on the slurpd process.
> 3. undefined HAVE_PTHREAD_KILL
> and other little tricks.
>
> My results:
> 1. pthread_kill works great in all my tests.
> 2. clean.
> 3. The process cored when it got to pthread_cond_broadcast()
>
> Here is my call stack at the time of the core dump:
> reading symbolic information ...
> [using memory image in core]
>
> Segmentation fault in spin_lock_global_ppc_mp at 0xd0019428
> 0xd0019428 (spin_lock_global_ppc_mp+0x8) 90c40154        stw
>  r6,0x154(r4)
> (dbx) where
> spin_lock_global_ppc_mp() at 0xd0019428
> pthread_kill(??, ??) at 0xd0014b48
> ldap_pvt_thread_kill(0x102, 0x1e), line 167 in "thr_posix.c"
> set_shutdown(0x2), line 164 in "fm.c"
> _vp_sleep(??, ??) at 0xd0012908
> _usched_dispatch(??, ??, ??) at 0xd0010fe8
>
>
> I have found this same behavior in OpenLdap versions
> 2.0.23,2.0.27, and 2.1.12
>