--On November 28, 2008 7:24:27 PM +0000 quanah@zimbra.com wrote:

As you can see, we lose a connection and then try to read from it (FD 40). This is where the log ends because the assert triggered.

Printing the connection struct shows it is actually an issue with FD 26:

(gdb) print *c $1 = {c_struct_state = 2, c_conn_state = 2, c_conn_idx = 26, c_close_reason = 0x4be9fb "?", c_mutex = {__m_reserved = 1, __m_count = 0, __m_owner = 0x1000022ee, __m_kind = 0, __m_lock = {__status = 0, __spinlock = 0}}, c_sb = 0xdcb1de0, c_starttime = 1227898781, c_activitytime = 1227898781, c_connid = 498, c_peer_domain = {bv_len = 7, bv_val = 0xe61c50 "unknown"}, c_peer_name = {bv_len = 23, bv_val = 0xc89d900 "IP=192.168.58.231:45575"}, c_listener = 0x88cf00, c_sasl_bind_in_progress = 0, c_sasl_bind_mech = {bv_len = 0, bv_val = 0x0}, c_sasl_dn = {bv_len = 0, bv_val = 0x0}, c_sasl_authz_dn = {bv_len = 0, bv_val = 0x0}, c_authz_backend = 0xdeda80, c_authz_cookie = 0x0, c_authz = {sai_method = 128, sai_mech = {bv_len = 0, bv_val = 0x0}, sai_dn = {bv_len = 30, bv_val = 0xdcb1d60 "uid=zimbra,cn=admins,cn=zimbra"}, sai_ndn = {bv_len = 30, bv_val = 0xdcb1cc0 "uid=zimbra,cn=admins,cn=zimbra"}, sai_ssf = 0, sai_transport_ssf = 0, sai_tls_ssf = 0, sai_sasl_ssf = 0}, c_protocol = 3, c_ops = {stqh_first = 0x0, stqh_last = 0x3670150}, c_pending_ops = {stqh_first = 0x0, stqh_last = 0x3670160}, c_write_mutex = {__m_reserved = 0, __m_count = 0, __m_owner = 0x0, __m_kind = 0, __m_lock = {__status = 0, __spinlock = 0}}, c_write_cv = {__c_lock = {__status = 111669149696, __spinlock = 13}, __c_waiting = 0xd, __padding = "\r\000\000\000\000\000\000\000H\000g\003\000\000\000", __align = 0}, c_currentber = 0xdc6d410, c_writewaiter = 0, c_is_tls = 0, c_needs_tls_accept = 0, c_sasl_layers = 0, c_sasl_done = 0, c_sasl_authctx = 0x5d65000, c_sasl_sockctx = 0x0, c_sasl_extra = 0x5d64d98, c_sasl_bindop = 0x0, c_pagedresults_state = {ps_be = 0x0, ps_size = 0, ps_cookie = 0, ps_count = 0}, c_n_ops_received = 1, c_n_ops_executing = 0, c_n_ops_pending = 0, c_n_ops_completed = 1, c_n_get = 1, c_n_read = 1, c_n_write = 0, c_pb = 0x0, c_extensions = 0x0, c_clientfunc = 0, c_clientarg = 0x0, c_send_ldap_result = 0x43ea28 <slap_send_ldap_result>, c_send_search_entry = 0x43f723 <slap_send_search_entry>, c_send_search_reference = 0x441829 <slap_send_search_reference>, c_send_ldap_extended = 0x43f296 <slap_send_ldap_extended>, c_send_ldap_intermediate = 0x43f51a <slap_send_ldap_intermediate>}

which is the connection currently logged as binding right before slapd crashes.

--quanah

--

Quanah Gibson-Mount Principal Software Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration