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Re: slapd dying, what next?
You need to submit an ITS at http://www.openldap.org/its/ and with the full output of thr apply all bt full rather than sending this to the list. ;)
--Quanah
----- "Bryan J. Maupin" <bmaupin@uta.edu> wrote:
> Okay, ran slapd using gdb, obtained a backtrace (using instructions
> from
> http://www.openldap.org/faq/data/cache/59.html). If needed, I can also
>
> send results from "thread apply all bt"
>
> (gdb) run -d 0 -h "ldap:/// ldaps:///" -u ldap
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x4860e940 (LWP 20454)]
> tcmalloc::CentralFreeList::FetchFromSpans (this=0x2b1cdb76c5e0)
> at src/central_freelist.cc:249
> 249 src/central_freelist.cc: No such file or directory.
> in src/central_freelist.cc
> Current language: auto; currently c++
> (gdb) bt full
> #0 tcmalloc::CentralFreeList::FetchFromSpans (this=0x2b1cdb76c5e0)
> at src/central_freelist.cc:249
> span = (tcmalloc::Span *) 0x37efaaf0
> result = (void *) 0x6f433d6e632c3230
> #1 0x00002b1cdb551939 in tcmalloc::CentralFreeList::FetchFromSpansSafe
> (
> this=0x2b1cdb76c5e0) at src/central_freelist.cc:234
> t = <value optimized out>
> #2 0x00002b1cdb5519d9 in tcmalloc::CentralFreeList::RemoveRange (
> this=0x2b1cdb76c5e0, start=0x4860d840, end=0x4860d838,
> N=<value optimized out>) at src/central_freelist.cc:214
> result = 0
> head = (void *) 0x0
> tail = <value optimized out>
> #3 0x00002b1cdb554ce4 in tcmalloc::ThreadCache::FetchFromCentralCache
> (
> this=0x61ba168, cl=<value optimized out>, byte_size=256)
> at src/thread_cache.cc:149
> list = (tcmalloc::ThreadCache::FreeList *) 0x61ba328
> batch_size = 32
> start = <value optimized out>
> end = <value optimized out>
> fetch_count = <value optimized out>
> #4 0x00002b1cdb5590b6 in tc_malloc (size=244) at
> src/thread_cache.h:340
> result = <value optimized out>
> #5 0x00002b1cdd4fc0c2 in CRYPTO_malloc ()
> from /opt/openssl/lib/libcrypto.so.0.9.8
> No symbol table info available.
> #6 0x00002b1cdd55d1a3 in EVP_CipherInit_ex ()
> from /opt/openssl/lib/libcrypto.so.0.9.8
> No symbol table info available.
> #7 0x00002b1cdd272192 in tls1_change_cipher_state ()
> from /opt/openssl/lib/libssl.so.0.9.8
> No symbol table info available.
> #8 0x00002b1cdd264a91 in ssl3_accept () from
> /opt/openssl/lib/libssl.so.0.9.8
> No symbol table info available.
> #9 0x00002b1cdb7cc21e in tlso_session_accept (sess=0x37287e00) at
> tls_o.c:376
> s = (tlso_session *) 0x37287e00
> #10 0x00002b1cdb7c9edc in ldap_pvt_tls_accept (sb=0x25e5c7e0,
> ctx_arg=0x65c3e00) at tls2.c:429
> err = -2
> ssl = (tls_session *) 0x37287e00
> #11 0x000000000043a8c2 in connection_read (s=70, cri=0x4860dd10)
> at connection.c:1326
> rc = 0
> c = (Connection *) 0x6658080
> __PRETTY_FUNCTION__ = "connection_read"
> #12 0x000000000043a47e in connection_read_thread (ctx=0x4860dd70,
> argv=0x46)
> at connection.c:1238
> rc = 102813704
> cri = {op = 0x0, func = 0, arg = 0x0, ctx = 0x4860dd70, nullop = 0}
> s = 70
> #13 0x00002b1cdb797cc3 in ldap_int_thread_pool_wrapper
> (xpool=0x620d000)
> at tpool.c:685
> pool = (struct ldap_int_thread_pool_s *) 0x620d000
> task = (ldap_int_thread_task_t *) 0x9fcbd60
> work_list = (ldap_int_tpool_plist_t *) 0x620d098
> ctx = {ltu_id = 1214310720, ltu_key = {{ltk_key = 0x439b17,
> ltk_data = 0x2c728e00, ltk_free = 0x43997a <conn_counter_destroy>}, {
> ltk_key = 0x4a9316, ltk_data = 0x1fbd71c0,
> ltk_free = 0x4a9110 <slap_sl_mem_destroy>}, {ltk_key = 0x65d3800,
> ltk_data = 0x2c854480, ltk_free = 0x518a54 <bdb_reader_free>}, {
> ltk_key = 0x4ea875, ltk_data = 0x2ca5b000,
> ltk_free = 0x4ea855 <search_stack_free>}, {ltk_key = 0x4544a4,
> ltk_data = 0x65b8000, ltk_free = 0x454400 <slap_op_q_destroy>}, {
> ltk_key = 0x0, ltk_data = 0x31fa0000, ltk_free = 0}, {ltk_key = 0x0,
> ltk_data = 0x0, ltk_free = 0} <repeats 26 times>}}
> kctx = (ldap_int_thread_userctx_t *) 0x0
> i = 32
> keyslot = 81
> hash = 1878162513
> pool = (struct ldap_int_thread_pool_s *) 0x620d000
> task = (ldap_int_thread_task_t *) 0x9fcbd60
> work_list = (ldap_int_tpool_plist_t *) 0x620d098
> ctx = {ltu_id = 1214310720, ltu_key = {{ltk_key = 0x439b17,
> ltk_data = 0x2c728e00, ltk_free = 0x43997a <conn_counter_destroy>}, {
> ltk_key = 0x4a9316, ltk_data = 0x1fbd71c0,
> ltk_free = 0x4a9110 <slap_sl_mem_destroy>}, {ltk_key = 0x65d3800,
> ltk_data = 0x2c854480, ltk_free = 0x518a54 <bdb_reader_free>}, {
> ltk_key = 0x4ea875, ltk_data = 0x2ca5b000,
> ltk_free = 0x4ea855 <search_stack_free>}, {ltk_key = 0x4544a4,
> ltk_data = 0x65b8000, ltk_free = 0x454400 <slap_op_q_destroy>}, {
> ltk_key = 0x0, ltk_data = 0x31fa0000, ltk_free = 0}, {ltk_key = 0x0,
> ltk_data = 0x0, ltk_free = 0} <repeats 26 times>}}
> kctx = (ldap_int_thread_userctx_t *) 0x0
> i = 32
> keyslot = 81
> hash = 1878162513
> __PRETTY_FUNCTION__ = "ldap_int_thread_pool_wrapper"
> #14 0x0000003e65406617 in start_thread () from /lib64/libpthread.so.0
> No symbol table info available.
> #15 0x0000003e64cd3c2d in clone () from /lib64/libc.so.6
> No symbol table info available.
>
>
> Quanah Gibson-Mount escribio':
> > --On Monday, February 08, 2010 11:05 AM -0600 "Bryan J. Maupin"
> > <bmaupin@uta.edu> wrote:
> >
> >
> >> Make sure your OpenLDAP build, etc, has debugging symbols.
> >>
> >>
> >> I've never done this, so just to be sure, to do this I need to
> pass
> >> CFLAGS="-g -O0" when running configure, then make install STRIP=""
> when
> >> it's time for that step, correct?
> >>
> >
> > Correct
> >
> >
> >> Then, I simply "gdb /path/to/slapd [options] /path/to/slapd.core"?
> >>
> >
> > Correct
> >
> >
> >> Lastly, do I need to change the slapd log level at all, or will all
> of
> >> the helpful information be in the core file?
> >>
> >
> > For now, loglevel is likely unimportant. The core file has all the
>
> > information necessary.
> >
> > --Quanah
> >
> > --
> >
> > Quanah Gibson-Mount
> > Principal Software Engineer
> > Zimbra, Inc
> > --------------------
> > Zimbra :: the leader in open source messaging and collaboration
> >
--
Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
--------------------
Zimbra :: the leader in open source messaging and collaboration