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(ITS#4137) HEAD: LWL causing slapd lockups



Full_Name: Quanah Gibson-Mount
Version: HEAD 11/1/2005
OS: Linux 2.4 kernel Debian
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (171.64.19.82)


After heavily testing HEAD in relation to the LWL stuff, I found that slapd will
not shut down normally.  gdb shows:

(gdb) thr apply all bt

Thread 23 (Thread 344086 (LWP 16335)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=30, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbcffe450 "IP=172.26.6.66:49266", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbcfff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 22 (Thread 327701 (LWP 16334)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=23, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbd1fe450 "IP=172.26.6.66:46780", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbd1ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 21 (Thread 311316 (LWP 16333)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=31, listener=0x81d50c8, dnsname=0x81471e9
"unknown", peername=0xbd3fe450 "IP=172.26.6.66:33160", flags=0, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d50c8) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbd3ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 20 (Thread 294931 (LWP 16332)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x4027e57c in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0x40024ad6 in ldap_pvt_thread_cond_wait (cond=0xfffffffc, mutex=0xfffffffc)
at thr_posix.c:282
#4  0x40023fec in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:603
#5  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#6  0x403858ba in clone () from /lib/libc.so.6

Thread 19 (Thread 278546 (LWP 16304)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=19, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbd7fe450 "IP=172.26.6.66:42259", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbd7ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 18 (Thread 262161 (LWP 16284)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=29, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbd9fe450 "IP=172.26.6.66:49048", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbd9ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 17 (Thread 245776 (LWP 16283)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=22, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbdbfe450 "IP=172.26.6.66:46295", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbdbff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 16 (Thread 229391 (LWP 16282)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=24, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbddfe450 "IP=172.26.6.66:46781", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbddff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 15 (Thread 213006 (LWP 16281)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=25, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbdffe450 "IP=172.26.6.66:47639", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbdfff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 14 (Thread 196621 (LWP 16280)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x4027e57c in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0x40024ad6 in ldap_pvt_thread_cond_wait (cond=0xfffffffc, mutex=0xfffffffc)
at thr_posix.c:282
#4  0x40023fec in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:603
#5  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#6  0x403858ba in clone () from /lib/libc.so.6

Thread 13 (Thread 180236 (LWP 16279)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=27, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbe3fe450 "IP=172.26.6.66:48112", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbe3ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 12 (Thread 163851 (LWP 16278)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x4027e57c in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0x40024ad6 in ldap_pvt_thread_cond_wait (cond=0xfffffffc, mutex=0xfffffffc)
at thr_posix.c:282
#4  0x40023fec in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:603
#5  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#6  0x403858ba in clone () from /lib/libc.so.6

Thread 11 (Thread 147466 (LWP 16277)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=21, listener=0x81d50c8, dnsname=0x81471e9
"unknown", peername=0xbe7fe450 "IP=172.26.6.66:45998", flags=0, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d50c8) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbe7ff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 10 (Thread 131081 (LWP 16276)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x400468ec in ldap_pvt_tls_init_def_ctx () at tls.c:215
#6  0x40046f85 in alloc_handle (ctx_arg=0x0) at tls.c:449
#7  0x40047a0c in ldap_pvt_tls_accept (sb=0x67307118, ctx_arg=0xfffffffc) at
tls.c:841
#8  0x08061e0b in connection_read (s=15, cri=0xbe9ff900) at connection.c:1532
#9  0x080619f1 in connection_read_thread (ctx=0xbe9ff960, argv=0xf) at
connection.c:1429
#10 0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#11 0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#12 0x403858ba in clone () from /lib/libc.so.6

Thread 9 (Thread 114696 (LWP 16275)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=28, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbebfe450 "IP=172.26.6.66:48667", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbebff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 8 (Thread 98311 (LWP 16274)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x400468ec in ldap_pvt_tls_init_def_ctx () at tls.c:215
#6  0x40046f85 in alloc_handle (ctx_arg=0x0) at tls.c:449
#7  0x40047a0c in ldap_pvt_tls_accept (sb=0x66846510, ctx_arg=0xfffffffc) at
tls.c:841
#8  0x08061e0b in connection_read (s=18, cri=0xbedff900) at connection.c:1532
#9  0x080619f1 in connection_read_thread (ctx=0xbedff960, argv=0x12) at
connection.c:1429
#10 0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#11 0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#12 0x403858ba in clone () from /lib/libc.so.6

Thread 7 (Thread 81926 (LWP 16273)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805fb9a in connection_init (s=32, listener=0x81d5190, dnsname=0x81471e9
"unknown", peername=0xbeffe450 "IP=172.26.6.66:33412", flags=1, ssf=0,
    authid=0xfffffffc) at connection.c:554
#6  0x0805d440 in slap_listener (sl=0x81d5190) at daemon.c:1493
#7  0x0805dae4 in slap_listener_thread (ctx=0xbefff960, ptr=0xfffffffc) at
daemon.c:1530
#8  0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#9  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#10 0x403858ba in clone () from /lib/libc.so.6

Thread 6 (Thread 65541 (LWP 16272)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x400468ec in ldap_pvt_tls_init_def_ctx () at tls.c:215
#6  0x40046f85 in alloc_handle (ctx_arg=0x0) at tls.c:449
#7  0x40047a0c in ldap_pvt_tls_accept (sb=0x67300b08, ctx_arg=0xfffffffc) at
tls.c:841
#8  0x08061e0b in connection_read (s=20, cri=0xbf1ff900) at connection.c:1532
#9  0x080619f1 in connection_read_thread (ctx=0xbf1ff960, argv=0x14) at
connection.c:1429
#10 0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#11 0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#12 0x403858ba in clone () from /lib/libc.so.6

Thread 5 (Thread 49156 (LWP 16265)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x400468ec in ldap_pvt_tls_init_def_ctx () at tls.c:215
#6  0x40046f85 in alloc_handle (ctx_arg=0x0) at tls.c:449
#7  0x40047a0c in ldap_pvt_tls_accept (sb=0x67300b28, ctx_arg=0xfffffffc) at
tls.c:841
#8  0x08061e0b in connection_read (s=17, cri=0xbf3ff900) at connection.c:1532
#9  0x080619f1 in connection_read_thread (ctx=0xbf3ff960, argv=0x11) at
connection.c:1429
#10 0x40023e28 in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:615
#11 0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#12 0x403858ba in clone () from /lib/libc.so.6

Thread 4 (Thread 32771 (LWP 16256)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x4027e57c in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0x40024ad6 in ldap_pvt_thread_cond_wait (cond=0xfffffffc, mutex=0xfffffffc)
at thr_posix.c:282
#4  0x40023fec in ldap_int_thread_pool_wrapper (xpool=0x81e36c8) at tpool.c:603
#5  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#6  0x403858ba in clone () from /lib/libc.so.6

Thread 3 (Thread 16386 (LWP 16255)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x402841c5 in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0x402806f6 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40024b5f in ldap_pvt_thread_mutex_lock (mutex=0xfffffffc) at
thr_posix.c:316
#5  0x0805f611 in connections_shutdown () at connection.c:334
#6  0x0805deac in slapd_daemon_task (ptr=0x0) at daemon.c:2158
#7  0x4027ef3c in pthread_start_thread () from /lib/libpthread.so.0
#8  0x403858ba in clone () from /lib/libc.so.6

Thread 2 (Thread 32769 (LWP 16254)):
#0  0x4037c406 in poll () from /lib/libc.so.6
#1  0x4027f4f4 in __pthread_manager () from /lib/libpthread.so.0
#2  0x403858ba in clone () from /lib/libc.so.6

Thread 1 (Thread 16384 (LWP 16253)):
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x40280f29 in __pthread_wait_for_restart_signal () from
/lib/libpthread.so.0
#2  0x4027ed08 in pthread_join () from /lib/libpthread.so.0
#3  0x40024996 in ldap_pvt_thread_join (thread=4294967292,
thread_return=0xfffffffc) at thr_posix.c:186
#4  0x0805ef83 in slapd_daemon () at daemon.c:2195
#5  0x0804f8f7 in main (argc=3, argv=0xbfffda84) at main.c:785
#0  0x40282124 in __pthread_sigsuspend () from /lib/libpthread.so.0