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openldap 2.3.24 segfault on startup



Hello all,

 

I recently set up OpenLDAP as a proxy to an Active Directory server.  Happily, this works just fine, and was quite easy to set up.  When I attempted to enable pcache however, slapd started segfaulting on startup.  

 

Software versions:

RedHat EL3 (somewhat modified from stock)

OpenLDAP 2.3.24

BerkeleyDB4 4.4.20

 

 

Relevant slapd.conf section (sanitized slightly):

# LDAP database conf

 

database        ldap

suffix          "DC=ubisoft,DC=org"

rootdn          "DC=ubisoft,DC=org"

uri             ldap://ad.server.org:3268

binddn          ---

bindpw          ---

 

overlay         pcache

proxycache      bdb 10000 1 100 100

cachesize       20

 

directory       /usr/local/openldap/var/proxycache

 

 

The last few lines from slapd at debug -1 (sanitized slightly):

slapd startup: initiated.

backend_startup_one: starting "cn=config"

config_back_db_open

config_build_entry: "cn=config"

config_build_entry: "cn=include{0}"

config_build_entry: "cn=schema"

config_build_entry: "cn={0}core"

config_build_entry: "olcDatabase={-1}frontend"

config_build_entry: "olcDatabase={0}config"

config_build_entry: "olcDatabase={1}ldap"

config_build_entry: "olcOverlay={0}pcache"

config_build_entry: "olcDatabase=bdb"

backend_startup_one: starting "dc=ubisoft,dc=org"

ldap_back_db_open: URI=ldap://ad.server.org:3268

backend_startup_one: starting "dc=ubisoft,dc=org"

bdb_db_open: Warning - No DB_CONFIG file found in directory /usr/local/openldap/var/proxycache: (2)

Expect poor performance for suffix dc=ubisoft,dc=org.

bdb_db_open: dbenv_open(/usr/local/openldap/var/proxycache)

slapd starting

Segmentation fault

 

 

The Berkeley DB files are created (i.e. .../var/proxycache has the __db files and such).  It appears to crash directly after creating them.  And, yes, I know that I'm missing the DB_CONFIG file in the example above - it doesn't make a difference, the same thing happens even if I do have one.

 

I'll be more than happy to supply any additional information, such as strace output, should it be useful.

 

Any ideas?  Thanks!

 

 

--

  _
 °v°  Daniel Maher
/(_)\ Administrateur Système Unix

 ^ ^  Unix System Administrator

 

Sentio aliquos togatos contra me conspirare.