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slapd segfault with error 4

Hello,

I have some little troubles with my slapd.
version: slapd 2.3.38  (compiled from sources)
server: Suse Enterprise v9 x86_64

I add 2 segfault of this kind: kernel: slapd[28934]: segfault at 000000000000001a rip 0000000000471edf rsp 0000000040e7fbe0 error 4
(see log below)

This slapd is not used at this time , then, only syncrepl update the slave from the provider.
I have another slave server which uses the same provider, but no slapd segfault on this one.


here is the log file from the 2 times I add this problem:
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 17 12:44:23 server2 slapd[28932]: syncrepl_entry: rid 102 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)
Apr 17 12:44:23 server2 slapd[28932]: syncrepl_entry: rid 102 be_search (0)
Apr 17 12:44:23 server2 slapd[28932]: syncrepl_entry: rid 102 uid=dhilto,ou=people,o=mydomain
Apr 17 12:44:23 server2 slapd[28932]: syncrepl_entry: rid 102 be_modrdn (0)
Apr 17 12:44:23 server2 slapd[28932]: syncrepl_entry: rid 102 be_modify (0)
Apr 17 12:44:23 server2 slapd[28932]: do_syncrep2: rid 102 LDAP_RES_SEARCH_RESULT
Apr 17 12:44:23 server2 kernel: slapd[28934]: segfault at 000000000000001a rip 0000000000471edf rsp 0000000040e7fbe0 error 4


Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_INTERMEDIATE - SYNC_ID_SET
Apr 23 08:48:00 server2 slapd[4327]: syncrepl_entry: rid 102 LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)
Apr 23 08:48:00 server2 slapd[4327]: syncrepl_entry: rid 102 be_search (0)
Apr 23 08:48:00 server2 slapd[4327]: syncrepl_entry: rid 102 uid=jondoe,ou=people,o=mydomain
Apr 23 08:48:00 server2 slapd[4327]: syncrepl_entry: rid 102 be_modrdn (0)
Apr 23 08:48:01 server2 slapd[4327]: syncrepl_entry: rid 102 be_modify (0)
Apr 23 08:48:01 server2 slapd[4327]: do_syncrep2: rid 102 LDAP_RES_SEARCH_RESULT
Apr 23 08:48:01 server2 kernel: slapd[8183]: segfault at 000000000000001c rip 0000000000471edf rsp 0000000041680be0 error 4






How can I find what is giving me the segfault  ??
Thanks in advance.
Patrice