Using openldap 2.4.39 on solaris 10 sparc box. Bdb runs without any issue. Mdb fails on startup ( described below)

Snip from the slapd.conf------------------------------------- database mdbsuffix "o=vtec,c=au"rootdn "cn=manager,o=vtec,c=au"# Cleartext passwords, especially for the rootdn, should# be avoid. See slappasswd(8) and slapd.conf(5) for details.# Use of strong authentication encouraged.rootpw secret# The database directory MUST exist prior to running slapd AND# should only be accessible by the slapd and slap tools.# Mode 700 recommended.directory /data/irene/var/openldap-data-mdbmaxsize 1073741824

Get this error on startup-------------------------------------- 34628c3 1.2.36.79672281.1.13.3 (rdnMatch): 534628c3 2.5.13.1 (distinguishedNameMatch): 534628c3 matchingRuleUse: ( 2.5.13.1 NAME 'distinguishedNameMatch' APPLIES ( creatorsName $ modifiersName $ subschemaSubentry $ entryDN $ namingContexts $ aliasedObjectName $ dynamicSubtrees $ distinguishedName $ seeAlso $ olcDefaultSearchBase $ olcRootDN $ olcSchemaDN $ olcSuffix $ olcUpdateDN $ olcRelay $ member $ owner $ roleOccupant ) )534628c3 2.5.13.0 (objectIdentifierMatch): 534628c3 matchingRuleUse: ( 2.5.13.0 NAME 'objectIdentifierMatch' APPLIES ( supportedControl $ supportedExtension $ supportedFeatures $ supportedApplicationContext ) )534628c3 slapd startup: initiated.534628c3 backend_startup_one: starting "cn=config"534628c3 config_back_db_openBackend ACL: access to * by * none 534628c3 config_back_db_open: line 0: warning: cannot assess the validity of the ACL scope within backend naming context534628c3 config_back_db_open: No explicit ACL for back-config configured. Using hardcoded default534628c3 config_build_entry: "cn=config"534628c3 config_build_entry: "cn=schema"534628c3 >>> dnNormalize: <cn={0}core>534628c3 <<< dnNormalize: <cn={0}core>534628c3 config_build_entry: "cn={0}core"534628c3 config_build_entry: "olcDatabase={-1}frontend"534628c3 config_build_entry: "olcDatabase={0}config"534628c3 config_build_entry: "olcDatabase={1}mdb"534628c3 backend_startup_one: starting "o=vtec,c=au"534628c3 mdb_db_open: "o=vtec,c=au"534628c3 mdb_db_open: database "o=vtec,c=au": dbenv_open(/data/irene/var/openldap-data-mdb).534628c3 mdb_db_open: database "o=vtec,c=au": mdb_dbi_open(/data/irene/var/openldap-data-mdb/id2e) failed: MDB_BAD_TXN: Transaction cannot recover - it must be aborted (-30782).534628c3 backend_startup_one (type=mdb, suffix="o=vtec,c=au"): bi_db_open failed! (-30782)534628c3 slapd shutdown: initiated534628c3 slapd destroy: freeing system resources.534628c3 slapd stopped.