Geoff Crompton geoffc@trinity.unimelb.edu.au writes:
Any tips on how to further debug this?
Check syslog for error messages (if your slapd logs there). Try using the -d [...] option of slapd, it may give some insight. Try upgrading to version 2.4.31+really2.4.40-3~bpo70+1 in wheezy-backports.