Re: (ITS#4418) slapd stops responding

[dhawes@vt.edu]

On Tuesday 28 February 2006 17:05, hyc@symas.com wrote:
> It looks like you're still using the patch I posted to -software. The
> patch I committed for 2.3.20 does not have this problem. It is most
> likely unrelated to what Quanah is seeing. Either way, it would be best
> to upgrade to 2.3.20 before going any further with this ITS.

2.3.20 still hangs as before.  Here is the backtrace:

(gdb) thread apply all bt

Thread 19 (Thread 17426 (LWP 2535)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x5d73ded0)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x8324818, tid=0x0, id=534, 
    eip=0xbd73e760, islocked=0, locker=114, lock=0xbd73e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x8324818, rs=0xbd7ff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x8324818, rs=0xbd7ff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x8324818, rs=0xbd7ff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbd7ff964, arg_v=0x8324818)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 18 (Thread 16401 (LWP 2534)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5e26ae60, tid=0x0, id=2, 
    eip=0xbd93e6c0, islocked=0, locker=113, lock=0xbd93e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x5e26ae60, tid=0x0, dn=0x5e26ae7c, 
    e=0xbd93e760, matched=1, locker=113, lock=0xbd93e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x5e26ae60, rs=0xbd9ff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x5e26ae60, rs=0xbd9ff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x5e26ae60, rs=0xbd9ff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbd9ff964, arg_v=0x5e26ae60)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 17 (Thread 15376 (LWP 2533)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x83d2b18, tid=0x0, id=2, 
    eip=0xbdb3e6c0, islocked=0, locker=108, lock=0xbdb3e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x83d2b18, tid=0x0, dn=0x83d2b34, 
    e=0xbdb3e760, matched=1, locker=108, lock=0xbdb3e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x83d2b18, rs=0xbdbff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x83d2b18, rs=0xbdbff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x83d2b18, rs=0xbdbff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbdbff964, arg_v=0x83d2b18)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 16 (Thread 14351 (LWP 2532)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0xb1e6fa68, tid=0x0, id=2, 
    eip=0xbdd3e6c0, islocked=0, locker=107, lock=0xbdd3e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0xb1e6fa68, tid=0x0, dn=0xb1e6fa84, 
    e=0xbdd3e760, matched=1, locker=107, lock=0xbdd3e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0xb1e6fa68, rs=0xbddff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0xb1e6fa68, rs=0xbddff8d8) at search.c:355
#8  0x08079919 in do_search (op=0xb1e6fa68, rs=0xbddff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbddff964, arg_v=0xb1e6fa68)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 15 (Thread 13326 (LWP 2531)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8a9bd180)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5ed21348, tid=0x0, id=1187439, 
    eip=0xbdf3e760, islocked=0, locker=97, lock=0xbdf3e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x5ed21348, rs=0xbdfff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x5ed21348, rs=0xbdfff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x5ed21348, rs=0xbdfff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbdfff964, arg_v=0x5ed21348)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 14 (Thread 12301 (LWP 2530)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8b468c0)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5e6172f8, tid=0x0, id=4068, 
    eip=0xbe13e760, islocked=0, locker=93, lock=0xbe13e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x5e6172f8, rs=0xbe1ff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x5e6172f8, rs=0xbe1ff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x5e6172f8, rs=0xbe1ff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbe1ff964, arg_v=0x5e6172f8)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 13 (Thread 11276 (LWP 2529)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5f0ec7c0, tid=0x0, id=2, 
    eip=0xbe33e6c0, islocked=0, locker=88, lock=0xbe33e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x5f0ec7c0, tid=0x0, dn=0x5f0ec7dc, 
    e=0xbe33e760, matched=1, locker=88, lock=0xbe33e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x5f0ec7c0, rs=0xbe3ff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x5f0ec7c0, rs=0xbe3ff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x5f0ec7c0, rs=0xbe3ff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbe3ff964, arg_v=0x5f0ec7c0)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 12 (Thread 10251 (LWP 2528)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5ed27ef8, tid=0x0, id=2, 
    eip=0xbe53e6c0, islocked=0, locker=80, lock=0xbe53e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x5ed27ef8, tid=0x0, dn=0x5ed27f14, 
    e=0xbe53e760, matched=1, locker=80, lock=0xbe53e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x5ed27ef8, rs=0xbe5ff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x5ed27ef8, rs=0xbe5ff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x5ed27ef8, rs=0xbe5ff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbe5ff964, arg_v=0x5ed27ef8)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 11 (Thread 9226 (LWP 2527)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0xb893f38)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5f7291d8, tid=0x0, id=61090, 
    eip=0xbe73e760, islocked=0, locker=76, lock=0xbe73e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x5f7291d8, rs=0xbe7ff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x5f7291d8, rs=0xbe7ff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x5f7291d8, rs=0xbe7ff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbe7ff964, arg_v=0x5f7291d8)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 10 (Thread 8201 (LWP 2526)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5e618078, tid=0x0, id=2, 
    eip=0xbe93e6c0, islocked=0, locker=70, lock=0xbe93e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x5e618078, tid=0x0, dn=0x5e618094, 
    e=0xbe93e760, matched=1, locker=70, lock=0xbe93e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x5e618078, rs=0xbe9ff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x5e618078, rs=0xbe9ff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x5e618078, rs=0xbe9ff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbe9ff964, arg_v=0x5e618078)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 9 (Thread 7176 (LWP 2525)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0xbcff7e18)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x8e38208, tid=0x0, id=979252, 
    eip=0xbeb3e760, islocked=0, locker=66, lock=0xbeb3e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x8e38208, rs=0xbebff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x8e38208, rs=0xbebff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x8e38208, rs=0xbebff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbebff964, arg_v=0x8e38208)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 8 (Thread 6151 (LWP 2524)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0xa605d2b0)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x8935798, tid=0x0, id=1005576, 
    eip=0xbed3e760, islocked=0, locker=56, lock=0xbed3e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x8935798, rs=0xbedff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x8935798, rs=0xbedff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x8935798, rs=0xbedff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbedff964, arg_v=0x8935798)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 7 (Thread 5126 (LWP 2522)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x856f120, tid=0x0, id=2, 
    eip=0xbef3e6c0, islocked=0, locker=55, lock=0xbef3e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x856f120, tid=0x0, dn=0x856f13c, 
    e=0xbef3e760, matched=1, locker=55, lock=0xbef3e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x856f120, rs=0xbefff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x856f120, rs=0xbefff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x856f120, rs=0xbefff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbefff964, arg_v=0x856f120)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 6 (Thread 4101 (LWP 2521)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x6498a578)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x896aec8, tid=0x0, id=1091010, 
    eip=0xbf13e760, islocked=0, locker=38, lock=0xbf13e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0x896aec8, rs=0xbf1ff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0x896aec8, rs=0xbf1ff8d8) at search.c:355
#7  0x08079919 in do_search (op=0x896aec8, rs=0xbf1ff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbf1ff964, arg_v=0x896aec8)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 5 (Thread 3076 (LWP 2520)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x8381e28)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0x5dcbc1b8, tid=0x0, id=2, 
    eip=0xbf33e6c0, islocked=0, locker=40, lock=0xbf33e768) at cache.c:892
#5  0x080e9b51 in bdb_dn2entry (op=0x5dcbc1b8, tid=0x0, dn=0x5dcbc1d4, 
    e=0xbf33e760, matched=1, locker=40, lock=0xbf33e768) at dn2entry.c:65
#6  0x080ca6fa in bdb_search (op=0x5dcbc1b8, rs=0xbf3ff8d8) at search.c:373
#7  0x08079c5c in fe_op_search (op=0x5dcbc1b8, rs=0xbf3ff8d8) at search.c:355
#8  0x08079919 in do_search (op=0x5dcbc1b8, rs=0xbf3ff8d8) at search.c:217
#9  0x08077a21 in connection_operation (ctx=0xbf3ff964, arg_v=0x5dcbc1b8)
    at connection.c:1307
#10 0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#11 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 4 (Thread 2051 (LWP 2519)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08075ed7 in slap_wake_listener () at daemon.c:2350
#3  0x080e6267 in bdb_cache_lru_add (bdb=0x8280648, ei=0x67a855b0)
    at cache.c:667
#4  0x080e6716 in bdb_cache_find_id (op=0xb7b32920, tid=0x0, id=1019205, 
    eip=0xbf53e760, islocked=0, locker=37, lock=0xbf53e768) at cache.c:892
#5  0x080cb0c7 in bdb_search (op=0xb7b32920, rs=0xbf5ff8d8) at search.c:695
#6  0x08079c5c in fe_op_search (op=0xb7b32920, rs=0xbf5ff8d8) at search.c:355
#7  0x08079919 in do_search (op=0xb7b32920, rs=0xbf5ff8d8) at search.c:217
#8  0x08077a21 in connection_operation (ctx=0xbf5ff964, arg_v=0xb7b32920)
    at connection.c:1307
#9  0x0811ca09 in ldap_int_thread_pool_wrapper (xpool=0x8268bb0) at 
tpool.c:480
#10 0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 3 (Thread 1026 (LWP 2518)):
#0  0x4023e404 in write () from /lib/libc.so.6
#1  0x4017aae0 in __DTOR_END__ () from /lib/libpthread.so.0
#2  0x08073405 in slapd_set_read (s=20, wake=1) at daemon.c:581
#3  0x080781c8 in connection_read (s=20) at connection.c:1679
#4  0x08075bcd in slapd_daemon_task (ptr=0x0) at daemon.c:2024
#5  0x4016d0ba in pthread_start_thread () from /lib/libpthread.so.0
#6  0x4016d101 in pthread_start_thread_event () from /lib/libpthread.so.0

Thread 2 (Thread 2049 (LWP 2517)):
#0  0x40243bb0 in poll () from /lib/libc.so.6
#1  0x4016cd96 in __pthread_manager () from /lib/libpthread.so.0
#2  0x4016cfc0 in pthread_start_thread () from /lib/libpthread.so.0

Thread 1 (Thread 1024 (LWP 2516)):
#0  0x401a487e in sigsuspend () from /lib/libc.so.6
#1  0x4016f879 in __pthread_wait_for_restart_signal ()
   from /lib/libpthread.so.0
#2  0x4016ca31 in pthread_join () from /lib/libpthread.so.0
#3  0x0811d2bc in ldap_pvt_thread_join (thread=1026, thread_return=0x0)
    at thr_posix.c:193
#4  0x08075e12 in slapd_daemon () at daemon.c:2239
#5  0x0806816c in main (argc=13, argv=0xbffff9e4) at main.c:854
#0  0x4023e404 in write () from /lib/libc.so.6