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RE24 (2.4.15) slapd consuming large amounts of CPU



I upgraded one of our consumers to 2.4.15 recently, from RE24 as of
20090113. Its configuration stayed the same, save for bumping the BDB cache
size from 256MB to 2GB.

After a few hours of uptime, slapd suddenly begins consuming enormous
amounts of CPU (a three- to four-fold increase over less than a few minutes,
and is sustained until slapd is restarted).

A backtrace (below) shows many threads waiting on a mutex in bdb_cache_*().

This is with BDB 4.7 (with all patches applied) on Debian lenny.
'db_stat -c' output is below (and looks sane), in case that's useful.
Thinking thread contention, I bumped the worker thread count (slapd.conf
threads directive) down from 32 to 8, which has made no difference.

john


DB_CONFIG:
set_lg_max    10485760
set_lg_bsize  2097152
set_cachesize 2 0 0

290     Last allocated locker ID
0x7fffffff      Current maximum unused locker ID
9       Number of lock modes
1000    Maximum number of locks possible
1000    Maximum number of lockers possible
1000    Maximum number of lock objects possible
20      Number of lock object partitions
39      Number of current locks
574     Maximum number of locks at any one time
16      Maximum number of locks in any one bucket
0       Maximum number of locks stolen by for an empty partition
0       Maximum number of locks stolen for any one partition
275     Number of current lockers
277     Maximum number of lockers at any one time
39      Number of current lock objects
321     Maximum number of lock objects at any one time
5       Maximum number of lock objects in any one bucket
0       Maximum number of objects stolen by for an empty partition
0       Maximum number of objects stolen for any one partition
3854M   Total number of locks requested (3854398087)
3854M   Total number of locks released (3854395960)
0       Total number of locks upgraded
29      Total number of locks downgraded
11921   Lock requests not available due to conflicts, for which we waited
2088    Lock requests not available due to conflicts, for which we did not
wait
0       Number of deadlocks
0       Lock timeout value
0       Number of locks that have timed out
0       Transaction timeout value
0       Number of transactions that have timed out
736KB   The size of the lock region
827752  The number of partition locks that required waiting (0%)
117449  The maximum number of times any partition lock was waited for (0%)
0       The number of object queue operations that required waiting (0%)
535994  The number of locker allocations that required waiting (0%)
268     The number of region locks that required waiting (0%)
5       Maximum hash bucket length

[Switching to Thread 0x7f1ac33876e0 (LWP 2258)]
0x00007f1ac14d0715 in pthread_join () from /lib/libpthread.so.0

Thread 14 (Thread 0x46e2c950 (LWP 2483)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x1382501
        ctx = {ltu_id = 1189267792, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x22e9bf0, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x22e9d00, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x23e9d50, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f010d170, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a0fffc010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a14549930, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d16b7a40, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
        kctx = <value optimized out>
        keyslot = 641
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 13 (Thread 0x40ae5950 (LWP 2482)):
#0  0x00007f1ac14d6384 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac14d1bf0 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2  0x00007f1ac14d14fe in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1abe04fe47 in bdb_cache_lru_link (bdb=0x1734cc0, ei=0x80) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:127
No locals.
#4  0x00007f1abe051472 in bdb_cache_find_id (op=0x7f1a14e4b6f0, tid=0x7f1a14000c40, id=78904, eip=0x40ae3b78, flag=0, lock=0x40ae3b00) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:935
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = 0
        load = 1
        ei = {bei_parent = 0x0, bei_id = 78904, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#5  0x00007f1abe04454c in bdb_search (op=0x7f1a14e4b6f0, rs=0x40ae4ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/search.c:705
        scopeok = 0
        bdb = (struct bdb_info *) 0x1734cc0
        id = 78904
        cursor = 1
        lastid = 18446744073709551615
        candidates = {1, 78904, 1044229, 91866, 93845, 108173, 162675, 167727, 172863, 209800, 229753, 246181, 263946, 271195, 271196, 320541, 328227, 343990, 352163, 444334, 444843, 446225, 473893, 489325, 495368, 502330, 510414, 521254, 521513, 521520, 522264, 523770, 558754, 571398, 622382, 724280, 729217, 757913, 837196, 841698, 847960, 903620, 915112, 978491, 366754, 374029, 382659, 438739, 443564, 444334, 444474, 444540, 444843, 445908, 446225, 446226, 446227, 461100, 465386, 470392, 470542, 473893, 473895, 473906, 473910, 473929, 473930, 473931, 473932, 473933, 473934, 473935, 473936, 480973, 480974, 489325, 492139, 492190, 495368, 495374, 502330, 502515, 505997, 510414, 510656, 514769, 515999, 516075, 516122, 516134, 516135, 518932, 518933, 518934, 518935, 518936, 518937, 518938, 518939, 518940, 518941, 518942, 518943, 518944, 518945, 518946, 518947, 518948, 518949, 518950, 518951, 518952, 518953, 518954, 518955, 518956, 518957, 518958, 518959, 518960, 519961, 521254, 521285, 521297, 521298, 521299, 521513, 521520, 521740, 522264, 523770, 523781, 523794, 524910, 525962, 529220, 536966, 549332, 549333, 556773, 557516, 558754, 571398, 575227, 575352, 575415, 580304, 581325, 590884, 590885, 590886, 590887, 590888, 590889, 590890, 591106, 591295, 591736, 591737, 591739, 591747, 594317, 595470, 595637, 595638, 595639, 598848, 600376, 601947, 602070, 606294, 606306, 606737, 608281, 609374, 616992, 618028, 619025, 621070, 622382, 628336, 636086, 636373, 640327, 640328, 640329, 640330, 640331, 640332, 640333, 640334, 640335, 640430, 640461, 640679, 641273, 708820, 711967, 717099, 724275...}
        scopes = {0 <repeats 64759 times>, 139752885891591, 139749645877248, 144, 0, 139749242529248, 139749645877696, 139752885906679, 0, 208, 160, 4095, 0, 0, 139750135356864, 47244640256, 0, 160, 139749981421600, 160, 1085154048, 10, 2258, 139752885901944, 1085153664, 1085158416, 160, 139752886392815, 141828410064896, 18374686479671623680, 3760356350, 1085153712, 0, 0, 141828410064896, 18374686479671623680, 324407806, 1085153760, 0, 0, 141828410064896, 18374686479671623680, 814298110, 1085153808, 0, 139752886265001, 32768, 0, 16777216, 1085153856, 0, 139752886392545, 6912, 18446462598732840960, 616006978, 1085153904, 0, 0, 6912, 18446462598732840960, 615941442, 1085153952, 0, 0, 6144, 18446462598732840960, 1359286444, 1085154000, 0, 139752886265001, 2048, 18446462598732840960, 16777343, 0, 12, 139752886392545, 562962838323220, 9699272344856, 4294967296, 65556, 0, 1688935776387072, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 12842975242, 141828410114068, 18374686479671623680, 1688936573907966, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 17137942538, 141828410114068, 18374686479671623680, 1688936084017662, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 21432909834, 141828410114068, 18374686479671623680, 1688939519966206, 18446744073709551615, 18558553690337, 0 <repeats 31 times>, 4541024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1125281431552, 0, 23710144, 0, 0, 23710256, 0, 0, 0, 0, 5119, 0 <repeats 115 times>, 139752493888592, 139752911957127, 0, 2097152, 1085156256, 1085156016, 139752493887800, 0, 24826688, 24828224, 1085156176, 139752911957899, 1085156256, 244, 18954605505282048, 18954605505282126, 0, 0, 0, 139752912047088, 3324304687104, 139752823546552, 139752823546640, 12, 9948396515380690944, 139752493887800, 24826688, 1085156016, 1085156416, 1, 139752493887800, 139752911965882, 0, 0, 139752493894574, 139752911957127, 1085156256, 2097152, 1085156528, 1085156288, 139752493887800...}
        e = (Entry *) 0x187f4a8
        base = {e_id = 1, e_name = {bv_len = 1, bv_val = 0x7f19d430a870 "\002"}, e_nname = {bv_len = 10, bv_val = 0x7f19d864c4c0 "o=example"}, e_attrs = 0x7f1ac2d265cc, e_ocflags = 1085159872, e_bv = {bv_len = 139748910868592, bv_val = 0x4 <Address 0x4 out of bounds>}, e_private = 0x1d57050}
        e_root = (Entry *) 0x187f3b8
        matched = (Entry *) 0x0
        ei = (EntryInfo *) 0x7f19c85a3510
        realbase = {bv_len = 10, bv_val = 0x7f19d864c4c0 "o=example"}
        mask = <value optimized out>
        manageDSAit = 0
        tentries = 1
        nentries = 1
        idflag = 0
        lock = {off = 136248, ndx = 603, gen = 19531981, mode = DB_LOCK_WRITE}
        opinfo = (struct bdb_op_info *) 0x0
        ltid = (DB_TXN *) 0x7f1a14000c40
        oex = <value optimized out>
#6  0x0000000000434521 in fe_op_search (op=0x7f1a14e4b6f0, rs=0x40ae4ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:366
        bd = (BackendDB *) 0x72f7a0
#7  0x0000000000434d1c in do_search (op=0x7f1a14e4b6f0, rs=0x40ae4ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:217
        base = {bv_len = 10, bv_val = 0x7f19c87cd058 "o=example"}
        siz = 2
        i = 1085165056
#8  0x0000000000432376 in connection_operation (ctx=0x40ae4e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f1a14e4b6f0
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = (Connection *) 0x7f1abd815f90
        memctx = (void *) 0x7f1a1c0508e0
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#9  0x0000000000432e6d in connection_read_thread (ctx=0x40ae4e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 2170
#10 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f19ffeb9c30
        work_list = <value optimized out>
        ctx = {ltu_id = 1085167952, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x7f1a1c04fa40, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x7f1a1c0508e0, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x7f1a14000c40, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a12fff010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f17fb500, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a1c944590, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d49ff2a0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
        kctx = <value optimized out>
        keyslot = 599
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#11 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 12 (Thread 0x4662b950 (LWP 2481)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x13824ff
        ctx = {ltu_id = 1180875088, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x20dc640, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x20dc750, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x21dc7a0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f4704ee0, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a11ffe010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a144ca3d0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0xd0c4c00, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 497
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 11 (Thread 0x45e2a950 (LWP 2480)):
#0  0x00007f1ac14d6384 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac14d1bf0 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2  0x00007f1ac14d14fe in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1abe04fe47 in bdb_cache_lru_link (bdb=0x1734cc0, ei=0x80) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:127
No locals.
#4  0x00007f1abe051472 in bdb_cache_find_id (op=0x7f19f773ace0, tid=0x22e4760, id=740324, eip=0x45e28b78, flag=0, lock=0x45e28b00) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:935
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = 0
        load = 1
        ei = {bei_parent = 0x0, bei_id = 740324, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#5  0x00007f1abe04454c in bdb_search (op=0x7f19f773ace0, rs=0x45e29ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/search.c:705
        scopeok = 0
        bdb = (struct bdb_info *) 0x1734cc0
        id = 740324
        cursor = 1
        lastid = 18446744073709551615
        candidates = {1, 740324, 1044229, 530861, 530874, 530876, 531193, 531307, 531425, 531438, 531447, 531573, 531582, 531586, 531587, 531588, 531589, 531590, 531592, 531593, 531594, 531595, 531596, 531597, 531598, 531599, 531600, 531601, 531602, 531603, 531604, 531605, 531606, 531607, 531608, 531609, 531610, 531611, 531612, 531613, 531614, 531615, 531616, 531617, 531618, 531619, 531620, 531621, 531622, 531623, 531624, 531625, 531626, 531627, 531628, 531629, 531630, 531631, 531632, 531633, 531634, 531635, 531636, 531637, 531638, 531639, 531640, 531641, 531642, 531643, 531644, 531645, 531646, 531647, 531648, 531649, 531650, 531651, 531652, 531653, 531654, 531655, 531656, 531657, 531658, 531659, 531660, 531661, 531662, 531663, 531664, 531665, 531666, 531667, 531668, 531669, 531670, 531671, 531672, 531673, 531674, 531675, 531676, 531677, 531678, 531679, 531680, 531681, 531682, 531683, 531684, 531685, 531686, 531687, 531688, 531689, 531690, 531691, 531692, 531693, 531694, 531695, 531696, 531697, 531698, 531699, 531700, 531701, 531702, 531703, 531704, 531705, 531706, 531707, 531708, 531709, 531710, 531711, 531712, 531713, 531714, 531715, 531716, 531717, 531718, 531719, 531720, 531721, 531722, 531723, 531724, 531725, 531726, 531727, 531728, 531729, 531730, 531731, 531732, 531733, 531734, 531735, 531736, 531737, 531738, 531739, 531740, 531741, 531742, 531743, 531744, 531745, 531746, 531747, 531748, 531749, 531750, 531751, 531752, 531753, 531754, 531755, 531756, 531757, 531758, 531759, 531760, 531761, 531762, 531763, 531764, 531765, 531766, 531767, 531768, 531769, 531770, 531771, 531772, 531773...}
        scopes = {0 <repeats 64757 times>, 139752886231620, 0, 139752885891591, 139750115639296, 128, 0, 32768, 176, 139752885906679, 0, 208, 160, 4095, 0, 0, 139749665044112, 47244640256, 18446744073709547520, 160, 139752888879584, 160, 1172468480, 10, 2258, 139752885901944, 1172468096, 1172472848, 160, 139752886392815, 141828410064896, 18374686479671623680, 3760356350, 1172468144, 0, 0, 141828410064896, 18374686479671623680, 324407806, 1172468192, 0, 0, 141828410064896, 18374686479671623680, 814298110, 1172468240, 0, 139752886265001, 32768, 0, 16777216, 1172468288, 0, 139752886392545, 6912, 18446462598732840960, 616006978, 1172468336, 0, 0, 6912, 18446462598732840960, 615941442, 1172468384, 0, 0, 6144, 18446462598732840960, 1359286444, 1172468432, 0, 139752886265001, 2048, 18446462598732840960, 16777343, 0, 12, 139752886392545, 562962838323220, 9699272344856, 4294967296, 65556, 0, 1688935776387072, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 12842975242, 141828410114068, 18374686479671623680, 1688936573907966, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 17137942538, 141828410114068, 18374686479671623680, 1688936084017662, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 21432909834, 141828410114068, 18374686479671623680, 1688939519966206, 18446744073709551615, 18558553690337, 0 <repeats 31 times>, 4541024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1125281431552, 0, 23710144, 0, 0, 23710256, 0, 0, 0, 0, 5119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4541024, 0, 0, 0, 0, 0, 0, 0, 4541024, 0, 1172474496, 21474836480, 24623552, 23825888, 4541024, 0, 23834736, 0, 0, 17179869184, 4541024, 5119, 0, 0, 23680992, 17179869184, 35539064, 23556144, 0, 5119, 0, 17179869184, 35539064, 23556144, 0, 5119, 23680992, 17179869184, 35539064...}
        e = (Entry *) 0x18830f8
        base = {e_id = 2, e_name = {bv_len = 1172474192, bv_val = 0x21e4a48 "(accountStatus=active))"}, e_nname = {bv_len = 22, bv_val = 0x29f2850 "ou=services,o=example"}, e_attrs = 0x45e289d8, e_ocflags = 5037883, e_bv = {bv_len = 139752914445772, bv_val = 0x45e289d8 ""}, e_private = 0x1e61ca0}
        e_root = (Entry *) 0x187f3b8
        matched = (Entry *) 0x0
        ei = (EntryInfo *) 0x7f1a1448ef20
        realbase = {bv_len = 22, bv_val = 0x29f2850 "ou=services,o=example"}
        mask = <value optimized out>
        manageDSAit = 1172474272
        tentries = 1
        nentries = 1
        idflag = 0
        lock = {off = 285144, ndx = 513, gen = 581880, mode = DB_LOCK_WRITE}
        opinfo = (struct bdb_op_info *) 0x0
        ltid = (DB_TXN *) 0x22e4760
        oex = <value optimized out>
#6  0x0000000000434521 in fe_op_search (op=0x7f19f773ace0, rs=0x45e29ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:366
        bd = (BackendDB *) 0x72f7a0
#7  0x0000000000434d1c in do_search (op=0x7f19f773ace0, rs=0x45e29ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:217
        base = {bv_len = 22, bv_val = 0x3f08ce8 "ou=services,o=example"}
        siz = 0
        i = 1172479488
#8  0x0000000000432376 in connection_operation (ctx=0x45e29e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f19f773ace0
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = (Connection *) 0x7f1abd7fe990
        memctx = (void *) 0x21e3230
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#9  0x0000000000432e6d in connection_read_thread (ctx=0x45e29e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 2034
#10 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f19ffeb9b70
        work_list = <value optimized out>
        ctx = {ltu_id = 1172482384, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x21e4640, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x21e3230, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x22e4760, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f2251ea0, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a10ffd010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x26c8d70, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d47c3ba0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 480
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#11 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 10 (Thread 0x45629950 (LWP 2479)):
#0  0x00007f1ac14d64c5 in __lll_unlock_wake () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac14d2ff9 in _L_unlock_56 () from /lib/libpthread.so.0
No symbol table info available.
#2  0x00007f1ac14d2c56 in __pthread_mutex_unlock_usercnt () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac29d82c5 in __db_pthread_mutex_unlock () from /usr/lib/libdb-4.7.so
No symbol table info available.
#4  0x00007f1ac29d7f7d in __db_tas_mutex_unlock () from /usr/lib/libdb-4.7.so
No symbol table info available.
#5  0x00007f1ac2a587dd in ?? () from /usr/lib/libdb-4.7.so
No symbol table info available.
#6  0x00007f1ac2a5884f in __lock_put () from /usr/lib/libdb-4.7.so
No symbol table info available.
#7  0x00007f1ac2a589d3 in __lock_put_pp () from /usr/lib/libdb-4.7.so
No symbol table info available.
#8  0x00007f1abe05096e in bdb_cache_lru_purge (bdb=0x1734cc0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:735
        lock = {off = 91976, ndx = 380, gen = 22814260, mode = DB_LOCK_WRITE}
        lockp = (DB_LOCK *) 0x454a7660
        elru = (EntryInfo *) 0xbc1af80
        elnext = (EntryInfo *) 0xb602990
        count = 1
        eimax = 20000
#9  0x00007f1abe051322 in bdb_cache_find_id (op=0x7f1a1c508560, tid=0x7f1a1c178640, id=402078, eip=0x45627b78, flag=0, lock=0x45627b00) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:1016
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = 0
        load = <value optimized out>
        ei = {bei_parent = 0x0, bei_id = 402078, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#10 0x00007f1abe04454c in bdb_search (op=0x7f1a1c508560, rs=0x45628ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/search.c:705
        scopeok = 0
        bdb = (struct bdb_info *) 0x1734cc0
        id = 402078
        cursor = 1
        lastid = 18446744073709551615
        candidates = {1, 402078, 1044229, 1044229, 27325, 40388, 54053, 73505, 89530, 91866, 93845, 96457, 98785, 101465, 103230, 108173, 134794, 162675, 167727, 172863, 209800, 209801, 209802, 210110, 218264, 229752, 229753, 246180, 246181, 263946, 267147, 271195, 271196, 279140, 301556, 301557, 320541, 327746, 328227, 343989, 343990, 351605, 352163, 352164, 366754, 374029, 382659, 438739, 443564, 444334, 444474, 444540, 444843, 445908, 446225, 446226, 446227, 461100, 465386, 470392, 470542, 473893, 473895, 473906, 473910, 473929, 473930, 473931, 473932, 473933, 473934, 473935, 473936, 480973, 480974, 489325, 492139, 492190, 495368, 495374, 502330, 502515, 505997, 510414, 510656, 514769, 515999, 516075, 516122, 516134, 516135, 518932, 518933, 518934, 518935, 518936, 518937, 518938, 518939, 518940, 518941, 518942, 518943, 518944, 518945, 518946, 518947, 518948, 518949, 518950, 518951, 518952, 518953, 518954, 518955, 518956, 518957, 518958, 518959, 518960, 519961, 521254, 521285, 521297, 521298, 521299, 521513, 521520, 521740, 522264, 523770, 523781, 523794, 524910, 525962, 529220, 536966, 549332, 549333, 556773, 557516, 558754, 571398, 575227, 575352, 575415, 580304, 581325, 590884, 590885, 590886, 590887, 590888, 590889, 590890, 591106, 591295, 591736, 591737, 591739, 591747, 594317, 595470, 595637, 595638, 595639, 598848, 600376, 601947, 602070, 606294, 606306, 606737, 608281, 609374, 616992, 618028, 619025, 621070, 622382, 628336, 636086, 636373, 640327, 640328, 640329, 640330, 640331, 640332, 640333, 640334, 640335, 640430, 640461, 640679, 641273, 708820, 711967, 717099, 724275...}
        scopes = {0 <repeats 64759 times>, 139752885891591, 139749645877248, 128, 0, 139749780095280, 139749780095280, 139752885906679, 0, 208, 160, 4095, 0, 0, 139749809187888, 47244640256, 0, 160, 139752888879584, 160, 1164075776, 10, 2258, 139752885901944, 1164075392, 1164080144, 160, 139752886392815, 141828410064896, 18374686479671623680, 3760356350, 1164075440, 0, 0, 141828410064896, 18374686479671623680, 324407806, 1164075488, 0, 0, 141828410064896, 18374686479671623680, 814298110, 1164075536, 0, 139752886265001, 32768, 0, 16777216, 1164075584, 0, 139752886392545, 6912, 18446462598732840960, 616006978, 1164075632, 0, 0, 6912, 18446462598732840960, 615941442, 1164075680, 0, 0, 6144, 18446462598732840960, 1359286444, 1164075728, 0, 139752886265001, 2048, 18446462598732840960, 16777343, 0, 12, 139752886392545, 562962838323220, 9699272344856, 4294967296, 65556, 0, 1688935776387072, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 12842975242, 141828410114068, 18374686479671623680, 1688936573907966, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 17137942538, 141828410114068, 18374686479671623680, 1688936084017662, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 21432909834, 141828410114068, 18374686479671623680, 1688939519966206, 18446744073709551615, 18558553690337, 0 <repeats 31 times>, 4541024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1125281431552, 0, 23710144, 0, 0, 23710256, 0, 0, 0, 0, 5119, 0 <repeats 115 times>, 139752493888592, 139752911957127, 0, 2097152, 1164077984, 1164077744, 139752493887800, 0, 24826688, 24828224, 1164077904, 139752911957899, 1164077984, 244, 15729652001669120, 15729652001669198, 0, 0, 0, 139752912047088, 3324304687104, 139752823546552, 139752823546640, 12, 8987108849429250048, 139752493887800, 24826688, 1164077744, 1164078144, 1, 139752493887800, 139752911965882, 0, 0, 139752493894681, 139752911957127, 1164077984, 34361835520, 139752507321928, 139752493887800, 0...}
        e = (Entry *) 0x187f4a8
        base = {e_id = 1, e_name = {bv_len = 1, bv_val = 0x7f1a01a85fb0 "\002"}, e_nname = {bv_len = 10, bv_val = 0x3a4fa50 "o=example"}, e_attrs = 0x7f1ac2d265cc, e_ocflags = 1164081600, e_bv = {bv_len = 139749673689008, bv_val = 0x4 <Address 0x4 out of bounds>}, e_private = 0x1d57050}
        e_root = (Entry *) 0x187f3b8
        matched = (Entry *) 0x0
        ei = (EntryInfo *) 0x7f1a1d1005c0
        realbase = {bv_len = 10, bv_val = 0x3a4fa50 "o=example"}
        mask = <value optimized out>
        manageDSAit = 0
        tentries = 1
        nentries = 1
        idflag = 0
        lock = {off = 241512, ndx = 710, gen = 3492703, mode = DB_LOCK_READ}
        opinfo = (struct bdb_op_info *) 0x0
        ltid = (DB_TXN *) 0x7f1a1c178640
        oex = <value optimized out>
#11 0x0000000000434521 in fe_op_search (op=0x7f1a1c508560, rs=0x45628ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:366
        bd = (BackendDB *) 0x72f7a0
#12 0x0000000000434d1c in do_search (op=0x7f1a1c508560, rs=0x45628ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:217
        base = {bv_len = 10, bv_val = 0x4013d18 "o=example"}
        siz = 1
        i = 1164086784
#13 0x0000000000432376 in connection_operation (ctx=0x45628e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f1a1c508560
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = (Connection *) 0x7f1abd8e8b10
        memctx = (void *) 0x7f1a1c0785f0
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#14 0x0000000000432e6d in connection_read_thread (ctx=0x45628e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 3396
#15 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f1a14f84ba0
        work_list = <value optimized out>
        ctx = {ltu_id = 1164089680, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x7f1a1c0784e0, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x7f1a1c0785f0, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x7f1a1c178640, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a18ffd010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f624f9c0, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a143f2ca0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19dcc94ca0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 336
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#16 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#17 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 9 (Thread 0x44e28950 (LWP 2478)):
#0  0x00007f1ac14d6384 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac14d1bf0 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2  0x00007f1ac14d14fe in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1abe04fe47 in bdb_cache_lru_link (bdb=0x1734cc0, ei=0x80) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:127
No locals.
#4  0x00007f1abe051472 in bdb_cache_find_id (op=0x7f19f1d03590, tid=0x1e62010, id=406495, eip=0x44e26b78, flag=0, lock=0x44e26b00) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:935
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = 0
        load = 1
        ei = {bei_parent = 0x0, bei_id = 406495, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#5  0x00007f1abe04454c in bdb_search (op=0x7f19f1d03590, rs=0x44e27ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/search.c:705
        scopeok = 0
        bdb = (struct bdb_info *) 0x1734cc0
        id = 406495
        cursor = 1
        lastid = 18446744073709551615
        candidates = {1, 406495, 1044229, 1044229, 93845, 108173, 162675, 167727, 172863, 209800, 229753, 246181, 263946, 271195, 271196, 320541, 328227, 343990, 352163, 444334, 444843, 446225, 473893, 489325, 495368, 502330, 510414, 521254, 521513, 521520, 522264, 523770, 558754, 571398, 622382, 724280, 729217, 757913, 837196, 841698, 847960, 903620, 915112, 978491, 366754, 374029, 382659, 438739, 443564, 444334, 444474, 444540, 444843, 445908, 446225, 446226, 446227, 461100, 465386, 470392, 470542, 473893, 473895, 473906, 473910, 473929, 473930, 473931, 473932, 473933, 473934, 473935, 473936, 480973, 480974, 489325, 492139, 492190, 495368, 495374, 502330, 502515, 505997, 510414, 510656, 514769, 515999, 516075, 516122, 516134, 516135, 518932, 518933, 518934, 518935, 518936, 518937, 518938, 518939, 518940, 518941, 518942, 518943, 518944, 518945, 518946, 518947, 518948, 518949, 518950, 518951, 518952, 518953, 518954, 518955, 518956, 518957, 518958, 518959, 518960, 519961, 521254, 521285, 521297, 521298, 521299, 521513, 521520, 521740, 522264, 523770, 523781, 523794, 524910, 525962, 529220, 536966, 549332, 549333, 556773, 557516, 558754, 571398, 575227, 575352, 575415, 580304, 581325, 590884, 590885, 590886, 590887, 590888, 590889, 590890, 591106, 591295, 591736, 591737, 591739, 591747, 594317, 595470, 595637, 595638, 595639, 598848, 600376, 601947, 602070, 606294, 606306, 606737, 608281, 609374, 616992, 618028, 619025, 621070, 622382, 628336, 636086, 636373, 640327, 640328, 640329, 640330, 640331, 640332, 640333, 640334, 640335, 640430, 640461, 640679, 641273, 708820, 711967, 717099, 724275...}
        scopes = {0 <repeats 64759 times>, 139752885891591, 139750115639296, 128, 0, 139749813384512, 139749780095296, 139752885906679, 0, 208, 160, 4095, 0, 0, 139749809090016, 47244640256, 0, 160, 139750115639328, 160, 1155683072, 10, 2258, 139752885901944, 1155682688, 1155687440, 160, 139752886392815, 141828410064896, 18374686479671623680, 3760356350, 1155682736, 0, 0, 141828410064896, 18374686479671623680, 324407806, 1155682784, 0, 0, 141828410064896, 18374686479671623680, 814298110, 1155682832, 0, 139752886265001, 32768, 0, 16777216, 1155682880, 0, 139752886392545, 6912, 18446462598732840960, 616006978, 1155682928, 0, 0, 6912, 18446462598732840960, 615941442, 1155682976, 0, 0, 6144, 18446462598732840960, 1359286444, 1155683024, 0, 139752886265001, 2048, 18446462598732840960, 16777343, 0, 12, 139752886392545, 562962838323220, 9699272344856, 4294967296, 65556, 0, 1688935776387072, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 12842975242, 141828410114068, 18374686479671623680, 1688936573907966, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 17137942538, 141828410114068, 18374686479671623680, 1688936084017662, 18446744073709551615, 18558553690337, 563035852767296, 9699272344856, 21432909834, 141828410114068, 18374686479671623680, 1688939519966206, 18446744073709551615, 18558553690337, 0 <repeats 31 times>, 4541024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1125281431552, 0, 23710144, 0, 0, 23710256, 0, 0, 0, 0, 5119, 0 <repeats 115 times>, 139752493888416, 139752911957127, 0, 2097152, 1155685280, 1155685040, 139752493887800, 0, 24826688, 4541024, 1155685200, 139752911957899, 1155685280, 68, 14464307391627264, 14464307391627342, 0, 0, 0, 0, 3324304687104, 0, 23710832, 12, 8081029384590327808, 23710944, 24826688, 1155685040, 1155685440, 1, 5119, 139752911965882, 0, 0, 139752493894560, 139752911957127, 1155685280, 2097152, 1155685552, 1155685312, 139752493887800...}
        e = (Entry *) 0x187f4a8
        base = {e_id = 1, e_name = {bv_len = 1, bv_val = 0x7f19d45428b0 "\002"}, e_nname = {bv_len = 10, bv_val = 0x7f19ea50e350 "o=example"}, e_attrs = 0x7f1ac2d265cc, e_ocflags = 1155688896, e_bv = {bv_len = 139748913195184, bv_val = 0x4 <Address 0x4 out of bounds>}, e_private = 0x1d57050}
        e_root = (Entry *) 0x187f3b8
        matched = (Entry *) 0x0
        ei = (EntryInfo *) 0x7f19ebab5800
        realbase = {bv_len = 10, bv_val = 0x7f19ea50e350 "o=example"}
        mask = <value optimized out>
        manageDSAit = 0
        tentries = 1
        nentries = 1
        idflag = 0
        lock = {off = 345112, ndx = 957, gen = 11017130, mode = DB_LOCK_WRITE}
        opinfo = (struct bdb_op_info *) 0x0
        ltid = (DB_TXN *) 0x1e62010
        oex = <value optimized out>
#6  0x0000000000434521 in fe_op_search (op=0x7f19f1d03590, rs=0x44e27ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:366
        bd = (BackendDB *) 0x72f7a0
#7  0x0000000000434d1c in do_search (op=0x7f19f1d03590, rs=0x44e27ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:217
        base = {bv_len = 10, bv_val = 0x7f1a1d4170d8 "o=example"}
        siz = 1
        i = 1155694080
#8  0x0000000000432376 in connection_operation (ctx=0x44e27e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f19f1d03590
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = (Connection *) 0x7f1abd6d77d0
        memctx = (void *) 0x1e637d0
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#9  0x0000000000432e6d in connection_read_thread (ctx=0x44e27e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 317
#10 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f19ffa11300
        work_list = <value optimized out>
        ctx = {ltu_id = 1155696976, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x1e636c0, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x1e637d0, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x1e62010, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f50d9dd0, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a20308010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a002004a0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d0bb03a0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 319
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#11 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 8 (Thread 0x44627950 (LWP 2477)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x1382507
        ctx = {ltu_id = 1147304272, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x1e65e30, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x1e63e90, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x1e65f40, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a2230a010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f7a41b20, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x17acca0, ltk_data = 0x2d3e010, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d16b6840, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 175
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 7 (Thread 0x41bd6950 (LWP 2476)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x138250a
        ctx = {ltu_id = 1102932304, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x1d60e50, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x1d60f60, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x1e60fb0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19e5676190, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a19ffe010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a146185e0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d16b6840, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 87
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 6 (Thread 0x43e26950 (LWP 2475)):
#0  0x00007f1ac14d6384 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac14d1bf0 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2  0x00007f1ac14d14fe in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1abe04fe47 in bdb_cache_lru_link (bdb=0x1734cc0, ei=0x80) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:127
No locals.
#4  0x00007f1abe051472 in bdb_cache_find_id (op=0x7f19f2c4b1b0, tid=0x17b4df0, id=233788, eip=0x43e24b78, flag=0, lock=0x43e24b00) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:935
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = 0
        load = 1
        ei = {bei_parent = 0x0, bei_id = 233788, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#5  0x00007f1abe04454c in bdb_search (op=0x7f19f2c4b1b0, rs=0x43e25ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/search.c:705
        scopeok = 0
        bdb = (struct bdb_info *) 0x1734cc0
        id = 233788
        cursor = 1
        lastid = 18446744073709551615
        candidates = {1, 233788, 1044229, 1044229, 27325, 40388, 54053, 73505, 89530, 91866, 93845, 96457, 98785, 101465, 103230, 108173, 134794, 162675, 167727, 172863, 209800, 209801, 209802, 210110, 218264, 229752, 229753, 246180, 246181, 263946, 267147, 271195, 271196, 279140, 301556, 301557, 320541, 327746, 328227, 343989, 343990, 351605, 352163, 352164, 366754, 374029, 382659, 438739, 443564, 444334, 444474, 444540, 444843, 445908, 446225, 446226, 446227, 461100, 465386, 470392, 470542, 473893, 473895, 473906, 473910, 473929, 473930, 473931, 473932, 473933, 473934, 473935, 473936, 480973, 480974, 489325, 492139, 492190, 495368, 495374, 502330, 502515, 505997, 510414, 510656, 514769, 515999, 516075, 516122, 516134, 516135, 518932, 518933, 518934, 518935, 518936, 518937, 518938, 518939, 518940, 518941, 518942, 518943, 518944, 518945, 518946, 518947, 518948, 518949, 518950, 518951, 518952, 518953, 518954, 518955, 518956, 518957, 518958, 518959, 518960, 519961, 521254, 521285, 521297, 521298, 521299, 521513, 521520, 521740, 522264, 523770, 523781, 523794, 524910, 525962, 529220, 536966, 549332, 549333, 556773, 557516, 558754, 571398, 575227, 575352, 575415, 580304, 581325, 590884, 590885, 590886, 590887, 590888, 590889, 590890, 591106, 591295, 591736, 591737, 591739, 591747, 594317, 595470, 595637, 595638, 595639, 598848, 600376, 601947, 602070, 606294, 606306, 606737, 608281, 609374, 616992, 618028, 619025, 621070, 622382, 628336, 636086, 636373, 640327, 640328, 640329, 640330, 640331, 640332, 640333, 640334, 640335, 640430, 640461, 640679, 641273, 708820, 711967, 717099, 724275...}
        scopes = {0 <repeats 64759 times>, 139752885891591, 139749981421568, 176, 0, 139749780095280, 139749780095280, 139752885906679, 0, 208, 160, 4095, 0, 0, 139749797178736, 47244640256, 0, 160, 139750115639328, 160, 1138897664, 10, 2258, 139752885901944, 1138897280, 1138902032, 160, 139752886392815, 141828410064896, 18374686479671623680, 3760356350, 1138897328, 0, 0, 141828410064896, 18374686479671623680, 324407806, 1138897376, 0, 0, 141828410064896, 18374686479671623680, 814298110, 1138897424, 0, 139752886265001, 32768, 0, 16777216, 1138897472, 0, 139752886392545, 6912, 18446462598732840960, 616006978, 1138897520, 0, 0, 6912, 18446462598732840960, 615941442, 1138897568, 0, 0, 6144, 18446462598732840960, 1359286444, 1138897616, 0, 139752886265001, 2048, 18446462598732840960, 16777343, 0, 12, 139752886392545, 562962838323220, 9699272344857, 4294967296, 65556, 0, 1688935776387072, 18446744073709551615, 18558553690337, 563035852767296, 9699272344857, 12842975242, 141828410114068, 18374686479671623680, 1688936573907966, 18446744073709551615, 18558553690337, 563035852767296, 9699272344857, 17137942538, 141828410114068, 18374686479671623680, 1688936084017662, 18446744073709551615, 18558553690337, 563035852767296, 9699272344857, 21432909834, 141828410114068, 18374686479671623680, 1688939519966206, 18446744073709551615, 18558553690337, 0 <repeats 31 times>, 4541024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1125281431552, 0, 23710144, 0, 0, 23710256, 0, 0, 0, 0, 5119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4541024, 0, 0, 0, 0, 0, 0, 0, 4541024, 0, 1138903680, 21474836480, 24623552, 23825888, 4541024, 0, 23834736, 0, 0, 17179869184, 4541024, 5119, 0, 0, 23680992, 17179869184, 28650024, 23556144, 0, 5119, 0, 17179869184, 28650024, 23556144, 0, 5119, 23680992, 17179869184, 28650024, 23556144, 0...}
        e = (Entry *) 0x187f4a8
        base = {e_id = 1, e_name = {bv_len = 1138903376, bv_val = 0x1b52bb4 "(mail=shawhillatvandcycle@example.net))"}, e_nname = {bv_len = 10, bv_val = 0x7f1a1e25d380 "o=example"}, e_attrs = 0x43e249d8, e_ocflags = 5037883, e_bv = {bv_len = 139752914445772, bv_val = 0x43e249d8 ""}, e_private = 0x1d57050}
        e_root = (Entry *) 0x187f3b8
        matched = (Entry *) 0x0
        ei = (EntryInfo *) 0x7f19eb45d420
        realbase = {bv_len = 10, bv_val = 0x7f1a1e25d380 "o=example"}
        mask = <value optimized out>
        manageDSAit = 0
        tentries = 1
        nentries = 1
        idflag = 0
        lock = {off = 360424, ndx = 38, gen = 16730841, mode = DB_LOCK_WRITE}
        opinfo = (struct bdb_op_info *) 0x0
        ltid = (DB_TXN *) 0x17b4df0
        oex = <value optimized out>
#6  0x0000000000434521 in fe_op_search (op=0x7f19f2c4b1b0, rs=0x43e25ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:366
        bd = (BackendDB *) 0x72f7a0
#7  0x0000000000434d1c in do_search (op=0x7f19f2c4b1b0, rs=0x43e25ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/search.c:217
        base = {bv_len = 10, bv_val = 0x7f19eb45d388 "o=example"}
        siz = 0
        i = 1138908672
#8  0x0000000000432376 in connection_operation (ctx=0x43e25e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f19f2c4b1b0
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 99
        opidx = SLAP_OP_SEARCH
        conn = (Connection *) 0x7f1abd733c90
        memctx = (void *) 0x17b4db0
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#9  0x0000000000432e6d in connection_read_thread (ctx=0x43e25e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 854
#10 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f1a14f847a0
        work_list = <value optimized out>
        ctx = {ltu_id = 1138911568, ltu_key = {{ltk_key = 0x431480, ltk_data = 0x17b6940, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x485650, ltk_data = 0x17b4db0, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x17b4df0, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f1a0099bc90, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a0effb010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a1c5e3420, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d4da8960, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
        kctx = <value optimized out>
        keyslot = 158
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#11 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 5 (Thread 0x43625950 (LWP 2474)):
#0  0x00007f1ac122db77 in sched_yield () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f1ac2ade29d in __os_yield () from /usr/lib/libdb-4.7.so
No symbol table info available.
#2  0x00007f1ac29d8022 in __db_tas_mutex_lock () from /usr/lib/libdb-4.7.so
No symbol table info available.
#3  0x00007f1ac2a597a8 in __lock_get_internal () from /usr/lib/libdb-4.7.so
No symbol table info available.
#4  0x00007f1ac2a5a6d5 in __lock_get_pp () from /usr/lib/libdb-4.7.so
No symbol table info available.
#5  0x00007f1abe04fbb4 in bdb_cache_entry_db_lock (bdb=0x1734cc0, txn=<value optimized out>, ei=0x7f1a154104e0, rw=0, tryOnly=0, lock=0x43624b70) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:221
        rc = <value optimized out>
        lockobj = {data = 0x7f1a154104e8, size = 9, ulen = 0, dlen = 33991392, doff = 0, app_data = 0x43624b98, flags = 504343032}
#6  0x00007f1abe051189 in bdb_cache_find_id (op=0x7f1a1e0fa9c0, tid=0x1d59c50, id=52016, eip=0x43624b10, flag=0, lock=0x43624b70) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/cache.c:916
        bdb = (struct bdb_info *) 0x1734cc0
        ep = (Entry *) 0x0
        rc = -30988
        load = 0
        ei = {bei_parent = 0x0, bei_id = 52016, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 0, bv_val = 0x0}, bei_e = 0x0, bei_kids = 0x0, bei_kids_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' <repeats 39 times>, __align = 0}, bei_lrunext = 0x0, bei_lruprev = 0x0}
#7  0x00007f1abe04a648 in bdb_dn2entry (op=0x7f1a1e0fa9c0, tid=0x1d59c50, dn=<value optimized out>, e=0x43624b98, matched=1, lock=0x43624b70) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/dn2entry.c:67
        ei = (EntryInfo *) 0x7f1a154104e0
        rc = 0
        rc2 = <value optimized out>
#8  0x00007f1abe03bbd5 in bdb_bind (op=0x7f1a1e0fa9c0, rs=0x43624ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/back-bdb/bind.c:70
        e = <value optimized out>
        a = <value optimized out>
        ei = <value optimized out>
        password = (AttributeDescription *) 0x169efd0
        rtxn = (DB_TXN *) 0x1d59c50
        lock = {off = 0, ndx = 360, gen = 0, mode = DB_LOCK_NG}
        __PRETTY_FUNCTION__ = "bdb_bind"
#9  0x000000000044e840 in fe_op_bind (op=0x7f1a1e0fa9c0, rs=0x43624ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/bind.c:383
        bd = (BackendDB *) 0x72f7a0
#10 0x000000000044f1f4 in do_bind (op=0x7f1a1e0fa9c0, rs=0x43624ca0) at /tmp/buildd/openldap-2.4.15/servers/slapd/bind.c:205
        ber = (BerElement *) 0x7f19e78f89a0
        version = 3
        method = 128
        mech = {bv_len = 0, bv_val = 0x0}
        dn = {bv_len = 69, bv_val = 0x7f19e5d7ad2a "uid=user1,dc=example,dc=net,ou=example,ou=services,o=example"}
        tag = <value optimized out>
        be = <value optimized out>
#11 0x0000000000432376 in connection_operation (ctx=0x43624e00, arg_v=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1097
        rc = <value optimized out>
        op = (Operation *) 0x7f1a1e0fa9c0
        rs = {sr_type = REP_RESULT, sr_tag = 0, sr_msgid = 0, sr_err = 0, sr_matched = 0x0, sr_text = 0x0, sr_ref = 0x0, sr_ctrls = 0x0, sr_un = {sru_sasl = {r_sasldata = 0x0}, sru_extended = {r_rspoid = 0x0, r_rspdata = 0x0}, sru_search = {r_entry = 0x0, r_attr_flags = 0, r_operational_attrs = 0x0, r_attrs = 0x0, r_nentries = 0, r_v2ref = 0x0}}, sr_flags = 0}
        tag = 96
        opidx = SLAP_OP_BIND
        conn = (Connection *) 0x7f1abd86ea90
        memctx = (void *) 0x17b3160
        memctx_null = (void *) 0x0
        __PRETTY_FUNCTION__ = "connection_operation"
#12 0x0000000000432e6d in connection_read_thread (ctx=0x43624e00, argv=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/connection.c:1223
        s = 2686
#13 0x00007f1ac2f4014a in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:663
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x7f1a14f84980
        work_list = <value optimized out>
        ctx = {ltu_id = 1130518864, ltu_key = {{ltk_key = 0x485650, ltk_data = 0x17b3160, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17acca0, ltk_data = 0x17b5a60, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x431480, ltk_data = 0x1d59b40, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x1d59c50, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f1f70920, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a21309010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x0, ltk_data = 0x7f19d16b6840, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 14
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#14 0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#15 0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#16 0x0000000000000000 in ?? ()
No symbol table info available.

Thread 4 (Thread 0x42e24950 (LWP 2473)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x1382505
        ctx = {ltu_id = 1122126160, ltu_key = {{ltk_key = 0x485650, ltk_data = 0x17b3e90, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x17b6010, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x431480, ltk_data = 0x1d5b390, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x445410, ltk_data = 0x7f19f563f010, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a1afff010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x17acca0, ltk_data = 0x7f1a08412580, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x0, ltk_data = 0xdca0a00, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 21 times>, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0x2}, {ltk_key = 0x0, ltk_data = 0x7f1ac14d054f, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}}}
        kctx = <value optimized out>
        keyslot = 1021
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 3 (Thread 0x42623950 (LWP 2472)):
#0  0x00007f1ac14d3d29 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f1ac2f4019d in ldap_int_thread_pool_wrapper (xpool=<value optimized out>) at /tmp/buildd/openldap-2.4.15/libraries/libldap_r/tpool.c:654
        pool = (struct ldap_int_thread_pool_s *) 0x16a1810
        task = (ldap_int_thread_task_t *) 0x0
        work_list = (ldap_int_tpool_plist_t *) 0x1382503
        ctx = {ltu_id = 1113733456, ltu_key = {{ltk_key = 0x485650, ltk_data = 0x17b5290, ltk_free = 0x485150 <slap_sl_mem_destroy>}, {ltk_key = 0x17acca0, ltk_data = 0x1d53710, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x7f1abe0425a0, ltk_data = 0x7f1a2330b010, ltk_free = 0x7f1abe042660 <search_stack_free>}, {ltk_key = 0x431480, ltk_data = 0x7f1a14172200, ltk_free = 0x431550 <conn_counter_destroy>}, {ltk_key = 0x17b05b0, ltk_data = 0x7f1a141c7e40, ltk_free = 0x7f1abe04f900 <bdb_reader_free>}, {ltk_key = 0x445410, ltk_data = 0x7f19f6009e80, ltk_free = 0x4451e0 <slap_op_q_destroy>}, {ltk_key = 0x0, ltk_data = 0x7f19dca7e160, ltk_free = 0}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0} <repeats 25 times>}}
        kctx = <value optimized out>
        keyslot = 877
        hash = <value optimized out>
        __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 2 (Thread 0x413d5950 (LWP 2471)):
#0  0x00007f1ac1245b78 in epoll_wait () from /lib/libc.so.6
No symbol table info available.
#1  0x000000000042f540 in slapd_daemon_task (ptr=<value optimized out>) at /tmp/buildd/openldap-2.4.15/servers/slapd/daemon.c:2291
        revents = (struct epoll_event *) 0x7f1ac332e010
        tv = {tv_sec = 113, tv_usec = 0}
        rtask = <value optimized out>
        ns = <value optimized out>
        at = 0
        now = 40
        tvp = (struct timeval *) 0x413d5100
        cat = {tv_sec = 1236190602, tv_usec = 0}
        l = <value optimized out>
        last_idle_check = 0
        ebadf = 0
#2  0x00007f1ac14cffc7 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00007f1ac12455ad in clone () from /lib/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 0x7f1ac33876e0 (LWP 2258)):
#0  0x00007f1ac14d0715 in pthread_join () from /lib/libpthread.so.0
No symbol table info available.
#1  0x000000000042c8ec in slapd_daemon () at /tmp/buildd/openldap-2.4.15/servers/slapd/daemon.c:2665
        listener_tid = 1094539600
        rc = 0
#2  0x000000000041a8e7 in main (argc=9, argv=0x7fffcb396bc8) at /tmp/buildd/openldap-2.4.15/servers/slapd/main.c:948
        i = <value optimized out>
        no_detach = 0
        rc = 0
        urls = 0x163f010 "ldap:/// ldaps:///"

-- 
John Morrissey          _o            /\         ----  __o
jwm@horde.net        _-< \_          /  \       ----  <  \,
www.horde.net/    __(_)/_(_)________/    \_______(_) /_(_)__