Re: (ITS#7180) libmdb assertion error on slapadd

[quanah@zimbra.com]

--On Thursday, February 23, 2012 5:42 PM +0000 quanah@OpenLDAP.org wrote:

>#################### 100.00% eta   none elapsed            none fast!
> slapadd: ../../../libraries/libmdb/mdb.c:3827: mdb_cursor_get: Assertion
> `mc' failed.
> Aborted


This is specifically triggered the flags used with slapadd:

/opt/zimbra/openldap/sbin/slapadd -q -w -b '' -F 
/opt/zimbra/data/ldap/config -cv -l /tmp/ldap.bak

Specifically the "-w" flag is what triggers it.  No error occurs without -w.

Thread 1 (Thread 0x7ffff7fef700 (LWP 25466)):
#0  0x00007ffff6372a75 in raise () from /lib/libc.so.6
No symbol table info available.
#1  0x00007ffff63765c0 in abort () from /lib/libc.so.6
No symbol table info available.
#2  0x00007ffff636b941 in __assert_fail () from /lib/libc.so.6
No symbol table info available.
#3  0x00007ffff38432d0 in mdb_cursor_get (mc=0x0, key=0x7ffff3a53eb0, 
data=0x7ffff3a53ec0, op=MDB_SET) at ../../../libraries/libmdb/mdb.c:3827
        rc = 1301783142
        exact = 0
        __PRETTY_FUNCTION__ = "mdb_cursor_get"
#4  0x00007ffff381c4db in mdb_tool_entry_get_int (be=0x8ff470, id=0, 
ep=0x7fffffffe568) at tools.c:323
        op = {o_hdr = 0x0, o_tag = 0, o_time = 0, o_tincr = 0, o_bd = 0x0, 
o_req_dn = {bv_len = 0, bv_val = 0x0}, o_req_ndn = {bv_len = 0, bv_val = 
0x0}, o_request = {oq_add = {
              rs_modlist = 0x0, rs_e = 0x0}, oq_bind = {rb_method = 0, 
rb_cred = {bv_len = 0, bv_val = 0x0}, rb_edn = {bv_len = 0, bv_val = 0x0}, 
rb_ssf = 0, rb_mech = {bv_len = 0,
                bv_val = 0x0}}, oq_compare = {rs_ava = 0x0}, oq_modify = 
{rs_mods = {rs_modlist = 0x0, rs_no_opattrs = 0 '\000'}, rs_increment = 0}, 
oq_modrdn = {rs_mods = {
                rs_modlist = 0x0, rs_no_opattrs = 0 '\000'}, 
rs_deleteoldrdn = 0, rs_newrdn = {bv_len = 0, bv_val = 0x0}, rs_nnewrdn = 
{bv_len = 0, bv_val = 0x0}, rs_newSup = 0x0,
              rs_nnewSup = 0x0}, oq_search = {rs_scope = 0, rs_deref = 0, 
rs_slimit = 0, rs_tlimit = 0, rs_limit = 0x0, rs_attrsonly = 0, rs_attrs = 
0x0, rs_filter = 0x0, rs_filterstr = {
                bv_len = 0, bv_val = 0x0}}, oq_abandon = {rs_msgid = 0}, 
oq_cancel = {rs_msgid = 0}, oq_extended = {rs_reqoid = {bv_len = 0, bv_val 
= 0x0}, rs_flags = 0,
              rs_reqdata = 0x0}, oq_pwdexop = {rs_extended = {rs_reqoid = 
{bv_len = 0, bv_val = 0x0}, rs_flags = 0, rs_reqdata = 0x0}, rs_old = 
{bv_len = 0, bv_val = 0x0}, rs_new = {
                bv_len = 0, bv_val = 0x0}, rs_mods = 0x0, rs_modtail = 
0x0}}, o_abandon = 0, o_cancel = 0, o_groups = 0x0, o_do_not_cache = 0 
'\000', o_is_auth_check = 0 '\000',
          o_dont_replicate = 0 '\000', o_acl_priv = ACL_NONE, o_nocaching = 
0 '\000', o_delete_glue_parent = 0 '\000', o_no_schema_check = 0 '\000', 
o_no_subordinate_glue = 0 '\000',
          o_ctrlflag = '\000' <repeats 31 times>, o_controls = 0x0, o_authz 
= {sai_method = 0, sai_mech = {bv_len = 0, bv_val = 0x0}, sai_dn = {bv_len 
= 0, bv_val = 0x0}, sai_ndn = {
              bv_len = 0, bv_val = 0x0}, sai_ssf = 0, sai_transport_ssf = 
0, sai_tls_ssf = 0, sai_sasl_ssf = 0}, o_ber = 0x0, o_res_ber = 0x0, 
o_callback = 0x0, o_ctrls = 0x0, o_csn = {
            bv_len = 0, bv_val = 0x0}, o_private = 0x0, o_extra = 
{slh_first = 0x0}, o_next = {stqe_next = 0x0}}
        ohdr = {oh_opid = 0, oh_connid = 0, oh_conn = 0x0, oh_msgid = 0, 
oh_protocol = 0, oh_tid = 0, oh_threadctx = 0x0, oh_tmpmemctx = 0x0, 
oh_tmpmfuncs = 0x0, oh_counters = 0x0,
          oh_log_prefix = '\000' <repeats 255 times>}
        e = 0x0
        dn = {bv_len = 0, bv_val = 0x0}
        ndn = {bv_len = 0, bv_val = 0x0}
        rc = 32767
        __PRETTY_FUNCTION__ = "mdb_tool_entry_get_int"
#5  0x00007ffff381c72d in mdb_tool_entry_get (be=0x8ff470, id=0) at 
tools.c:373
        e = 0x0
#6  0x00000000004db69a in slap_tool_update_ctxcsn (progname=0x51a020 
"slapadd", sid=18446744073709551615, bvtext=0x7fffffffe6c0) at 
slapcommon.c:1004
        ctxdn = {bv_len = 0, bv_val = 0x8d1c50 ""}
        ctxcsn_id = 0
        ctxcsn_e = 0x75ff68
        rc = 0
        __PRETTY_FUNCTION__ = "slap_tool_update_ctxcsn"
#7  0x00000000004d8ecb in slapadd (argc=10, argv=0x7fffffffea18) at 
slapadd.c:472
        textbuf = '\000' <repeats 255 times>
        textlen = 256
        erec = {e = 0x7ebf68, lineno = 2857, nextline = 2857}
        bvtext = {bv_len = 256, bv_val = 0x7fffffffe700 ""}
        thr = 0
        id = 73
        ldifrc = 0
        rc = 0
        stat_buf = {st_dev = 64256, st_ino = 1441881, st_nlink = 1, st_mode 
= 33184, st_uid = 1001, st_gid = 1001, __pad0 = 0, st_rdev = 0, st_size = 
115070, st_blksize = 4096,
          st_blocks = 232, st_atim = {tv_sec = 1330122358, tv_nsec = 
391982437}, st_mtim = {tv_sec = 1330122344, tv_nsec = 272000000}, st_ctim = 
{tv_sec = 1330122346,
            tv_nsec = 832002048}, __unused = {0, 0, 0}}
#8  0x0000000000415910 in main (argc=10, argv=0x7fffffffea18) at main.c:410
        i = 0
        no_detach = 0
        rc = 1
        urls = 0x0
        username = 0x0
        groupname = 0x0
        sandbox = 0x0
        syslogUser = 160
        pid = 0
        waitfds = {3817984, 0}
        g_argc = 10
        g_argv = 0x7fffffffea18
        configfile = 0x0
        configdir = 0x0
        serverName = 0x7fffffffec9d "slapadd"
        serverMode = 1
        scp = 0x0
        scp_entry = 0x0
        debug_unknowns = 0x0
        syslog_unknowns = 0x0
        serverNamePrefix = 0x4f95e8 ""
        l = 140737488349422
        slapd_pid_file_unlink = 0
        slapd_args_file_unlink = 0
        firstopt = 1
        __PRETTY_FUNCTION__ = "main"
(gdb)



--

Quanah Gibson-Mount
Sr. Member of Technical Staff
Zimbra, Inc
A Division of VMware, Inc.
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