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Re: (ITS#8296) slapd suddenly crash when using syncprov

To: openldap-its@OpenLDAP.org
Subject: Re: (ITS#8296) slapd suddenly crash when using syncprov
From: maurizio.lattuada@gmail.com
Date: Thu, 29 Oct 2015 09:26:03 +0000
Auto-submitted: auto-generated (OpenLDAP-ITS)
Hello Quanah,
thanks for the hint.

I cloned the repository and checked out the branch you told me:

[root@ibb0301 openldap]# git checkout OPENLDAP_REL_ENG_2_4
Already on 'OPENLDAP_REL_ENG_2_4'
[root@ibb0301 openldap]# git branch
* OPENLDAP_REL_ENG_2_4
  master

Then, after compiling the whole stuff, I started it as usual with GDB
and with my client application active (synch via syncprov).
Here again I got a failure due to failed malloc (returns NULL). As
that moment, the %MEM shown by top was about 66% (it increased till
here up to 1% every 10s). Please consider that, before starting gdb, I
rebooted my server (4 GB RAM, 2 GB swap)
This is the GDB trace:

--- begin gdb ---
root@ibb0301 .libs]# pwd
/root/src_openldap/openldap/servers/slapd/.libs
[root@ibb0301 .libs]# ./slapd -VVV
@(#) $OpenLDAP: slapd 2.4.X (Oct 29 2015 09:45:56) $
root@ibb0301:/root/src_openldap/openldap/servers/slapd

Included static overlays:
    syncprov
Included static backends:
    config
    ldif
    monitor
    bdb
    hdb
    ldap
    mdb
    relay
[root@ibb0301 .libs]# gdb ./slapd
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
/root/src_openldap/openldap/servers/slapd/.libs/slapd...done.
(gdb) run -d 1 -h ldap://
Starting program:
/root/src_openldap/openldap/servers/slapd/.libs/slapd -d 1 -h ldap://
[Thread debugging using libthread_db enabled]
ldap_url_parse_ext(ldap://localhost/)
ldap_init: trying /etc/openldap/ldap.conf
ldap_init: using /etc/openldap/ldap.conf
ldap_url_parse_ext(ldap://localhost/)
ldap_init: HOME env is /root
ldap_init: trying /root/ldaprc
ldap_init: trying /root/.ldaprc
ldap_init: trying ldaprc
ldap_init: LDAPCONF env is NULL
ldap_init: LDAPRC env is NULL
5631e005 @(#) $OpenLDAP: slapd 2.4.X (Oct 29 2015 09:45:56) $
root@ibb0301:/root/src_openldap/openldap/servers/slapd
ldap_pvt_gethostbyname_a: host=3Dibb0301, r=3D0
5631e005 daemon_init: listen on ldap://
5631e005 daemon_init: 1 listeners to open...
ldap_url_parse_ext(ldap://)
5631e005 daemon: listener initialized ldap://
5631e005 daemon_init: 2 listeners opened
5631e005 slapd init: initiated server.
5631e006 slap_sasl_init: initialized!
5631e006 bdb_back_initialize: initialize BDB backend
5631e006 bdb_back_initialize: Berkeley DB 4.7.25: (September 22, 2015)
5631e006 hdb_back_initialize: initialize HDB backend
5631e006 hdb_back_initialize: Berkeley DB 4.7.25: (September 22, 2015)
5631e006 mdb_back_initialize: initialize MDB backend
5631e006 mdb_back_initialize: LMDB 0.9.16: (August 14, 2015)
5631e006 backend_startup_one: starting "cn=3Dconfig"
5631e006 ldif_read_file: read entry file: "/etc/openldap/slapd.d/cn=3Dconfi=
g.ldif"

CUT CUT CUT

5631e3d6 connection_get(20): got connid=3D1001
5631e3d6 connection_read(20): checking for input on id=3D1001
ber_get_next
ber_get_next: tag 0x30 len 123 contents:
5631e3d6 op tag 0x63, time 1446110166
ber_get_next
5631e3d6 conn=3D1001 op=3D270855 do_search
ber_scanf fmt ({miiiib) ber:
5631e3d6 >>> dnPrettyNormal: <cn=3DClaus
Petersmann.7601000757517,ou=3DHCProfessional,dc=3DHPD,o=3Dvivates,c=3Dch>
5631e3d6 <<< dnPrettyNormal: <cn=3DClaus
Petersmann.7601000757517,ou=3DHCProfessional,dc=3DHPD,o=3Dvivates,c=3Dch>,
<cn=3Dclaus petersmann.7601000757517,ou=3Dhcprofessional,dc=3Dhpd,o=3Dvivat=
es,c=3Dch>
ber_scanf fmt (m) ber:
ber_scanf fmt ({M}}) ber:
5631e3d6 =3D> bdb_search
5631e3d6 bdb_dn2entry("cn=3Dclaus
petersmann.7601000757517,ou=3Dhcprofessional,dc=3Dhpd,o=3Dvivates,c=3Dch")
5631e3d6 =3D> send_search_entry: conn 1001 dn=3D"cn=3DClaus
Petersmann.7601000757517,ou=3DHCProfessional,dc=3DHPD,o=3Dvivates,c=3Dch"
ber_flush2: 141 bytes to sd 20
5631e3d6 <=3D send_search_entry: conn 1001 exit.
5631e3d6 send_ldap_result: conn=3D1001 op=3D270855 p=3D3
5631e3d6 send_ldap_response: msgid=3D270856 tag=3D101 err=3D0
ber_flush2: 16 bytes to sd 20
5631e3d6 connection_get(20): got connid=3D1001
5631e3d6 connection_read(20): checking for input on id=3D1001
ber_get_next
ber_get_next: tag 0x30 len 121 contents:
5631e3d6 op tag 0x63, time 1446110166
ber_get_next
5631e3d6 conn=3D1001 op=3D270856 do_search
ber_scanf fmt ({miiiib) ber:
5631e3d6 >>> dnPrettyNormal: <cn=3DRudolf
Beutler.7601000313430,ou=3DHCProfessional,dc=3DHPD,o=3Dvivates,c=3Dch>
5631e3d6 <<< dnPrettyNormal: <cn=3DRudolf
Beutler.7601000313430,ou=3DHCProfessional,dc=3DHPD,o=3Dvivates,c=3Dch>,
<cn=3Drudolf beutler.7601000313430,ou=3Dhcprofessional,dc=3Dhpd,o=3Dvivates=
,c=3Dch>
ber_scanf fmt (m) ber:
ber_scanf fmt ({M}}) ber:
5631e3d6 =3D> bdb_search
5631e3d6 bdb_dn2entry("cn=3Drudolf
beutler.7601000313430,ou=3Dhcprofessional,dc=3Dhpd,o=3Dvivates,c=3Dch")

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x9fffcb70 (LWP 3039)]
0x00130424 in __kernel_vsyscall ()
Missing separate debuginfos, use: debuginfo-install
libtool-ltdl-2.2.6-15.5.el6.i686
(gdb) bt
#0  0x00130424 in __kernel_vsyscall ()
#1  0x003a9871 in raise (sig=3D6) at ../nptl/sysdeps/unix/sysv/linux/raise.=
c:64
#2  0x003ab14a in abort () at abort.c:92
#3  0x003a2b8b in __assert_fail_base (fmt=3D0x4d7d58 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n", assertion=3D0x81b75e9 "0",
file=3D0x819d0e7 "ch_malloc.c", line=3D57, function=3D0x819d17f "ch_malloc"=
)
at assert.c:96
#4  0x003a2c46 in __assert_fail (assertion=3D0x81b75e9 "0",
file=3D0x819d0e7 "ch_malloc.c", line=3D57, function=3D0x819d17f "ch_malloc"=
)
at assert.c:105
#5  0x0809470a in ch_malloc (size=3D825230) at ch_malloc.c:57
#6  0x08082b71 in entry_encode (e=3D0x9fffabac, bv=3D0x9fffaa14) at entry.c=
:710
#7  0x0813e2d5 in bdb_id2entry_put (be=3D<value optimized out>,
tid=3D<value optimized out>, e=3D<value optimized out>, flag=3D0) at
id2entry.c:54
#8  0x080f1b0c in bdb_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify.c=
:712
#9  0x080e41f3 in overlay_op_walk (op=3D0xa2d03098, rs=3D0x9fffc0dc,
which=3Dop_modify, oi=3D0x833ca00, on=3D0x0) at backover.c:677
#10 0x080e4cd9 in over_op_func (op=3D0xa2d03098, rs=3D0x9fffc0dc,
which=3Dop_modify) at backover.c:730
#11 0x08091561 in fe_op_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify=
.c:303
#12 0x08091fd7 in do_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify.c:=
177
#13 0x080784ac in connection_operation (ctx=3D0x9fffc1ec,
arg_v=3D0xa2d03098) at connection.c:1158
#14 0x08078d47 in connection_read_thread (ctx=3D0x9fffc1ec, argv=3D0x15)
at connection.c:1294
#15 0x0013c7d4 in ldap_int_thread_pool_wrapper (xpool=3D0x8287b80) at tpool=
.c:696
#16 0x0036ab39 in start_thread (arg=3D0x9fffcb70) at pthread_create.c:301
#17 0x00461c2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
(gdb) bt full
#0  0x00130424 in __kernel_vsyscall ()
No symbol table info available.
#1  0x003a9871 in raise (sig=3D6) at ../nptl/sysdeps/unix/sysv/linux/raise.=
c:64
        resultvar =3D <value optimized out>
        resultvar =3D <value optimized out>
        pid =3D 5312500
        selftid =3D 3039
#2  0x003ab14a in abort () at abort.c:92
        save_stage =3D 2
        act =3D {__sigaction_handler =3D {sa_handler =3D 0x5a5ebb30,
sa_sigaction =3D 0x5a5ebb30}, sa_mask =3D {__val =3D {5312500, 64, 1,
4125602, 2684332016, 0, 104, 57, 5317536, 5312500, 57, 56, 2684332188,
4097042, 1516157752, 57, 2684332228, 1516157752, 0, 4222451712,
              1516157752, 1516157752, 1516157752, 1516157752,
1516157808, 1516157852, 1516157752, 1516157852, 0, 0, 0, 0}}, sa_flags
=3D 0, sa_restorer =3D 0x4d54d8 <_libc_intl_domainname>}
        sigs =3D {__val =3D {32, 0 <repeats 31 times>}}
#3  0x003a2b8b in __assert_fail_base (fmt=3D0x4d7d58 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n", assertion=3D0x81b75e9 "0",
file=3D0x819d0e7 "ch_malloc.c", line=3D57, function=3D0x819d17f "ch_malloc"=
)
at assert.c:96
        str =3D 0x5a5ebb38 ""
        total =3D 4096
#4  0x003a2c46 in __assert_fail (assertion=3D0x81b75e9 "0",
file=3D0x819d0e7 "ch_malloc.c", line=3D57, function=3D0x819d17f "ch_malloc"=
)
at assert.c:105
No locals.
#5  0x0809470a in ch_malloc (size=3D825230) at ch_malloc.c:57
        new =3D <value optimized out>
        __PRETTY_FUNCTION__ =3D "ch_malloc"
#6  0x08082b71 in entry_encode (e=3D0x9fffabac, bv=3D0x9fffaa14) at entry.c=
:710
        len =3D 825230
        dnlen =3D 59
        ndnlen =3D 59
        i =3D <value optimized out>
        nattrs =3D <value optimized out>
        nvals =3D <value optimized out>
        a =3D <value optimized out>
        ptr =3D <value optimized out>
        __PRETTY_FUNCTION__ =3D "entry_encode"
#7  0x0813e2d5 in bdb_id2entry_put (be=3D<value optimized out>,
tid=3D<value optimized out>, e=3D<value optimized out>, flag=3D0) at
id2entry.c:54
        bdb =3D <value optimized out>
        db =3D 0x82c5100
        key =3D {data =3D 0x9fffaa1c, size =3D 4, ulen =3D 0, dlen =3D 0, d=
off =3D
0, app_data =3D 0x0, flags =3D 0}
        data =3D {data =3D 0x1, size =3D 137287120, ulen =3D 0, dlen =3D
50242672, doff =3D 2684333076, app_data =3D 0x0, flags =3D 50242672}
        bv =3D {bv_len =3D 825230, bv_val =3D 0x57bb64d0 "cn=3Droot,o=3Dviv=
ates,c=3Dch"}
        rc =3D <value optimized out>
        nid =3D 2281832448
#8  0x080f1b0c in bdb_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify.c=
:712
        bdb =3D 0x833fee0
        e =3D 0x8373224
        ei =3D 0xa21e34c8
        manageDSAit =3D 2
        textbuf =3D
"\377\023\000\000\363\257\021\242\000\000\000\000\000\000\000\000\024\061\2=
13\000\230\060=D0=A2\274\070\037\b8\254\377\237,\032\213\000\230\060=D0=A2$=
27\b\000\000\000\000\240\001\064\b",
'\000' <repeats 16 times>"\200, ", '\000' <repeats 11 times>,
"\026\000\000\000\260\257\021\242\026\000\000\000\240\001\064\b\000\000\000=
\000\000\000\000\000<\253\377\237",
'\000' <repeats 20 times>"\300,
\002\064\b\000\000\000\000\000\000\000\000\300\263\257\237p1=D0=A2f\000\000=
\000\323\343\061VM\000\000\000\260\254\377\237;\000\000\000`\262\257\237;\0=
00\000\000\020\263\257\237
\273\372", '\000' <repeats 72 times>
---Type <return> to continue, or q <return> to quit---
        ltid =3D 0x2fea470
        lt2 =3D 0x2fea508
        opinfo =3D {boi_oe =3D {oe_next =3D {sle_next =3D 0x0}, oe_key =3D
0x833fee0}, boi_txn =3D 0x2fea470, boi_locks =3D 0x0, boi_err =3D 0,
boi_acl_cache =3D 0 '\000', boi_flag =3D 0 '\000'}
        dummy =3D {e_id =3D 648, e_name =3D {bv_len =3D 59, bv_val =3D
0xa21e48a0 "cn=3D1", '0' <repeats 12 times>,
"_O2HP,ou=3DRelationship,dc=3DHPD,o=3Dvivates,c=3Dch"}, e_nname =3D {bv_len=
 =3D
59,
            bv_val =3D 0xa21e48e0 "cn=3D1", '0' <repeats 12 times>,
"_o2hp,ou=3Drelationship,dc=3Dhpd,o=3Dvivates,c=3Dch"}, e_attrs =3D 0x34877=
abc,
e_ocflags =3D 65792, e_bv =3D {bv_len =3D 0, bv_val =3D 0x0}, e_private =3D
0xa21e34c8}
        lock =3D {off =3D 120264, ndx =3D 605, gen =3D 8677, mode =3D DB_LO=
CK_READ}
        num_retries =3D 0
        preread_ctrl =3D 0x0
        postread_ctrl =3D 0x0
        ctrls =3D {0x0, 0x16, 0x9e660068, 0x0, 0x0, 0x0}
        num_ctrls =3D 0
        rc =3D <value optimized out>
#9  0x080e41f3 in overlay_op_walk (op=3D0xa2d03098, rs=3D0x9fffc0dc,
which=3Dop_modify, oi=3D0x833ca00, on=3D0x0) at backover.c:677
        func =3D <value optimized out>
        rc =3D <value optimized out>
#10 0x080e4cd9 in over_op_func (op=3D0xa2d03098, rs=3D0x9fffc0dc,
which=3Dop_modify) at backover.c:730
        oi =3D <value optimized out>
        on =3D 0x834c5f0
        be =3D <value optimized out>
        db =3D {bd_info =3D 0x81f329c, bd_self =3D 0x833fde0, be_ctrls =3D
"\000\000\000\001\001\001\000\001\000\000\001\000\000\001\001\000\001\000\0=
00\001",
'\000' <repeats 12 times>, "\001", be_flags =3D 2312, be_restrictops =3D
0, be_requires =3D 0, be_ssf_set =3D {sss_ssf =3D 0,
            sss_transport =3D 0, sss_tls =3D 0, sss_sasl =3D 0,
sss_update_ssf =3D 0, sss_update_transport =3D 0, sss_update_tls =3D 0,
sss_update_sasl =3D 0, sss_simple_bind =3D 0}, be_suffix =3D 0x82b8600,
be_nsuffix =3D 0x833f148, be_schemadn =3D {bv_len =3D 0, bv_val =3D 0x0},
          be_schemandn =3D {bv_len =3D 0, bv_val =3D 0x0}, be_rootdn =3D
{bv_len =3D 22, bv_val =3D 0x832c598 "cn=3Droot,o=3Dvivates,c=3Dch"}, be_ro=
otndn
=3D {bv_len =3D 22, bv_val =3D 0x833f190 "cn=3Droot,o=3Dvivates,c=3Dch"},
be_rootpw =3D {bv_len =3D 6, bv_val =3D 0x833fd10 "etoile"},
          be_max_deref_depth =3D 15, be_def_limit =3D {lms_t_soft =3D 3600,
lms_t_hard =3D 0, lms_s_soft =3D 500, lms_s_hard =3D 0, lms_s_unchecked =3D
-1, lms_s_pr =3D 0, lms_s_pr_hide =3D 0, lms_s_pr_total =3D 0}, be_limits =
=3D
0x0, be_acl =3D 0x0, be_dfltaccess =3D ACL_READ,
          be_extra_anlist =3D 0x0, be_update_ndn =3D {bv_len =3D 0, bv_val =
=3D
0x0}, be_update_refs =3D 0x0, be_pending_csn_list =3D 0x82ecff0,
be_pcl_mutex =3D {__data =3D {__lock =3D 0, __count =3D 0, __owner =3D 0, _=
_kind
=3D 0, __nusers =3D 0, {__spins =3D 0, __list =3D {__next =3D 0x0}}},
            __size =3D '\000' <repeats 23 times>, __align =3D 0},
be_syncinfo =3D 0x0, be_pb =3D 0x0, be_cf_ocs =3D 0x81f58c0, be_private =3D
0x833fee0, be_next =3D {stqe_next =3D 0x834c268}}
        cb =3D {sc_next =3D 0x0, sc_response =3D 0x80e3f10
<over_back_response>, sc_cleanup =3D 0, sc_writewait =3D 0, sc_private =3D
0x833ca00}
        sc =3D <value optimized out>
        rc =3D 32768
        __PRETTY_FUNCTION__ =3D "over_op_func"
#11 0x08091561 in fe_op_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify=
.c:303
        update =3D <value optimized out>
        repl_user =3D <value optimized out>
        op_be =3D <value optimized out>
        bd =3D 0x81f8ac0
        textbuf =3D
"\000\000\000\000\000\000\000\000\230\000\020\242\342\350\b\b\001\000\000\0=
00\372cM\000n\000\000\000p\355\207\064|\000\000\000[\000\000\000\070\000\00=
0\000\300\273\372\000\270\355,\b\300\355\207\064=C8=AE\377\237?M\t\b\002\00=
0\000\000X\311&\b\200\324'\b\300\355\207\064\300\273\372\000\000\000\000\00=
0\000\000\000\000\030\000\000\000\020\000\020\242\270\273\372\000@\000\020\=
242\300\351\b\b\020\000\020\242\000\000\000\000\250\256\377\237\236=3D?\000=
\020\000\020\242\020\000\000\000`\343\207\064$\346\027\000\000\000\000\000\=
000\000\000\000O\000\000\000`\243\376\002\020\000\000\000\240\373\"\242\000=
\000\000\000\030\210\061\242\000\000\000\000\000\000\000\000(\257\377\237\2=
61\020\t\b\002\000\000\000\030\210\061\242\200\324'\b\300\355\207\064\300\2=
73\372\000\000\000\000\000\374\302\031\b`\262\257\237\020\263\257\237
\273\372\000\030\210\061\242\300\273\372\000'\344\207\064O\000\000\000`\243=
\376\002@\262\257\237"
#12 0x08091fd7 in do_modify (op=3D0xa2d03098, rs=3D0x9fffc0dc) at modify.c:=
177
        dn =3D {bv_len =3D 59, bv_val =3D 0x3487e382 "cn=3D1", '0' <repeats=
 12
times>, "_O2HP,ou=3DRelationship,dc=3DHPD,o=3Dvivates,c=3Dch"}
        textbuf =3D
"\030\000\000\000\070\000\000\000\364\017Q\000\250\277\377\237h\030\060\242=
\030=D5=874\250\277\377\237\004\026\067\000\022\026\067\000\233\275\027\000=
\025\000\000\000#=D5=874\b\000\000\000\374\300\377\237\230\061=D0=A2$\346\0=
27\000x\300\377\237\352\256\027\000P\030\060\242#=D5=874\b\000\000\000P\207=
>\000P\207>\000\340\277\377\237\344\211\031\b\374\300\377\237\230\061=D0=A2=
\000\000\000\000\340\277\377\237\377\000\000\000\001\200\255\373\000\000\00=
0\000\230\061=D0=A2\230\061=D0=A2\230\061=D0=A2\252\061=D0=A2\227\062=D0=A2=
\230\060=D0=A2\240\373\"\242\004\000\020\000\210\300\377\237)\370\f\b\000\0=
00\000\000\240\373\"\242l\300\377\237",
'\000' <repeats 16 times>,
"^V\027\000\000\000\000\000\003\000\000\000\032\000\000\000\000\000\000\000=
=CC=A3\370\267\030\301\377\237\210\300\377\237As\a\b\267\303\066\000\020s\a=
\b\337\v\000\000\274\020\027\000=CC=A3\370\267=CC=A3",
<incomplete sequence \370\267>
        tmp =3D <value optimized out>
#13 0x080784ac in connection_operation (ctx=3D0x9fffc1ec,
arg_v=3D0xa2d03098) at connection.c:1158
---Type <return> to continue, or q <return> to quit---
        rc =3D 80
        cancel =3D <value optimized out>
        op =3D 0xa2d03098
        rs =3D {sr_type =3D REP_RESULT, sr_tag =3D 0, sr_msgid =3D 0, sr_er=
r =3D
0, sr_matched =3D 0x0, sr_text =3D 0x0, sr_ref =3D 0x0, sr_ctrls =3D 0x0,
sr_un =3D {sru_search =3D {r_entry =3D 0x0, r_attr_flags =3D 0,
r_operational_attrs =3D 0x0, r_attrs =3D 0x0, r_nentries =3D 0, r_v2ref =3D
0x0},
            sru_sasl =3D {r_sasldata =3D 0x0}, sru_extended =3D {r_rspoid =
=3D
0x0, r_rspdata =3D 0x0}}, sr_flags =3D 0}
        tag =3D 102
        opidx =3D SLAP_OP_MODIFY
        conn =3D 0xb7f8a3cc
        memctx =3D 0xa222fba0
        memctx_null =3D 0x0
        memsiz =3D 1048576
        __PRETTY_FUNCTION__ =3D "connection_operation"
#14 0x08078d47 in connection_read_thread (ctx=3D0x9fffc1ec, argv=3D0x15)
at connection.c:1294
        cri =3D {op =3D 0xa2d03098, func =3D 0, arg =3D 0x0, ctx =3D 0x9fff=
c1ec,
nullop =3D 0}
        s =3D 21
#15 0x0013c7d4 in ldap_int_thread_pool_wrapper (xpool=3D0x8287b80) at tpool=
.c:696
        pool =3D 0x8287b80
        task =3D 0xa2d01fa0
        work_list =3D <value optimized out>
        ctx =3D {ltu_id =3D 2684341104, ltu_key =3D {{ltk_key =3D 0x8077310=
,
ltk_data =3D 0xa229a680, ltk_free =3D 0x80773e0 <conn_counter_destroy>},
{ltk_key =3D 0x80cf660, ltk_data =3D 0xa222fba0, ltk_free =3D 0x80cf690
<slap_sl_mem_destroy>}, {ltk_key =3D 0x82ed240,
              ltk_data =3D 0xa224ba30, ltk_free =3D 0x81336b0
<bdb_reader_free>}, {ltk_key =3D 0x808c910, ltk_data =3D 0xa22661b0,
ltk_free =3D 0x808c720 <slap_op_q_destroy>}, {ltk_key =3D 0x80f6260,
ltk_data =3D 0x9f2fa008, ltk_free =3D 0x80f6320 <search_stack_free>}, {
              ltk_key =3D 0x0, ltk_data =3D 0x0, ltk_free =3D 0} <repeats 2=
7 times>}}
        kctx =3D <value optimized out>
        keyslot =3D 697
        hash =3D <value optimized out>
        __PRETTY_FUNCTION__ =3D "ldap_int_thread_pool_wrapper"
#16 0x0036ab39 in start_thread (arg=3D0x9fffcb70) at pthread_create.c:301
        __res =3D <value optimized out>
        __ignore1 =3D 3039
        __ignore2 =3D 6
        pd =3D 0x9fffcb70
        now =3D <value optimized out>
        unwind_buf =3D {cancel_jmp_buf =3D {{jmp_buf =3D {3653620, 0,
4001536, -1610627944, -1207036625, 719275536}, mask_was_saved =3D 0}},
priv =3D {pad =3D {0x0, 0x0, 0x0, 0x0}, data =3D {prev =3D 0x0, cleanup =3D=
 0x0,
canceltype =3D 0}}}
        not_first_call =3D <value optimized out>
        pagesize_m1 =3D <value optimized out>
        sp =3D <value optimized out>
        freesize =3D <value optimized out>
#17 0x00461c2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
No locals.

--- end gdb ---

If I keep my client application off and I turn it on after I loaded
all the entries in our LDAP, then the synchronization works flawless.


Thanks for the feedback

Maurizio

2015-10-28 17:39 GMT+01:00 Quanah Gibson-Mount <quanah@zimbra.com>:
> --On Wednesday, October 28, 2015 5:23 PM +0000 maurizio.lattuada@gmail.co=
m
> wrote:
>
>> --001a1130d27c49538c05232c9dd4
>> Content-Type: text/plain; charset=3DUTF-8
>> Content-Transfer-Encoding: quoted-printable
>>
>> I cloned the git repository "git://git.openldap.org/openldap.git", then =
I
>> compiled this version "2.X" as specified in the 1st message.
>> Please consider that, after recompiling this version, I rebooted the
>> server where slapd is running.
>>
>> As far as I can see, it seems the memory consumption is the same as
>> 2.4.42: it starts to increase up to 60%.
>> In fact, with gdb, I got now an assertion failed due to:
>
>
> You can check out just RE24 specifically via:
>
> <http://www.openldap.org/devel/gitweb.cgi?p=3Dopenldap.git;a=3Dsnapshot;h=
=3Drefs/heads/OPENLDAP_REL_ENG_2_4;sf=3Dtgz>
>
> --Quanah
>
>
>
> --
>
> Quanah Gibson-Mount
> Platform Architect
> Zimbra, Inc.
> --------------------
> Zimbra ::  the leader in open source messaging and collaboration



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 Maurizio Lattuada
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