It seems the config value was ldap_log_level, but that was easy enough to figure out.
Anyways, while I'm pretty decent with SQL I couldn't do more than guess at LDAP, so here's the nice wall of text from the time period between when I hit enter in my browser to the admin page and when it stopped loading.
Code:
Feb 25 22:59:18 baal slapd[8751]: conn=8 fd=13 ACCEPT from IP=10.0.1.4:54881 (IP=10.0.1.4:389)
Feb 25 22:59:18 baal slapd[8751]: conn=8 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" method=128
Feb 25 22:59:18 baal slapd[8751]: conn=8 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" mech=SIMPLE ssf=0
Feb 25 22:59:18 baal slapd[8751]: conn=8 op=0 RESULT tag=97 err=0 text=
Feb 25 22:59:18 baal slapd[8751]: conn=8 op=1 SRCH base="cn=baal.medinavoip.com,cn=servers,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:18 baal slapd[8751]: conn=8 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:18 baal slapd[8751]: conn=9 fd=15 ACCEPT from IP=10.0.1.4:54882 (IP=10.0.1.4:389)
Feb 25 22:59:18 baal slapd[8751]: conn=9 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" method=128
Feb 25 22:59:18 baal slapd[8751]: conn=9 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" mech=SIMPLE ssf=0
Feb 25 22:59:18 baal slapd[8751]: conn=9 op=0 RESULT tag=97 err=0 text=
Feb 25 22:59:18 baal slapd[8751]: conn=9 op=1 SRCH base="cn=config,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:18 baal slapd[8751]: conn=9 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:19 baal slapd[8751]: conn=9 fd=15 closed (connection lost)
Feb 25 22:59:19 baal slapd[8751]: conn=8 fd=13 closed (connection lost)
Feb 25 22:59:34 baal slapd[8751]: conn=10 fd=13 ACCEPT from IP=10.0.1.4:54884 (IP=10.0.1.4:389)
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" method=128
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=0 BIND dn="uid=zimbra,cn=admins,cn=zimbra" mech=SIMPLE ssf=0
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=0 RESULT tag=97 err=0 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=1 SRCH base="cn=com_zimbra_email,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=2 SRCH base="cn=com_zimbra_phone,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=2 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=3 SRCH base="cn=com_zimbra_date,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=3 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=4 SRCH base="cn=com_zimbra_search,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=4 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=5 SRCH base="cn=com_zimbra_url,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=5 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=6 SRCH base="cn=com_zimbra_amzn,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=6 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=7 SRCH base="cn=com_zimbra_bugz,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=7 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=8 SRCH base="cn=com_zimbra_collector,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=8 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=9 SRCH base="cn=com_zimbra_photo,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=9 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=10 SRCH base="cn=com_zimbra_po,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=10 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=11 SRCH base="cn=com_zimbra_wikipedia,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=11 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=12 SRCH base="cn=com_zimbra_xslt,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=12 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=13 SRCH base="cn=com_zimbra_local,cn=zimlets,cn=zimbra" scope=0 deref=3 filter="(objectClass=*)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=13 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=14 SRCH base="uid=sharlow,ou=people,dc=medinavoip,dc=com" scope=2 deref=3 filter="(objectClass=zimbraIdentity)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=14 SEARCH RESULT tag=101 err=0 nentries=0 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=15 SRCH base="uid=sharlow,ou=people,dc=medinavoip,dc=com" scope=2 deref=3 filter="(objectClass=zimbraSignature)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=15 SEARCH RESULT tag=101 err=0 nentries=0 text=
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=16 SRCH base="uid=sharlow,ou=people,dc=medinavoip,dc=com" scope=2 deref=3 filter="(objectClass=zimbraDataSource)"
Feb 25 22:59:34 baal slapd[8751]: conn=10 op=16 SEARCH RESULT tag=101 err=0 nentries=0 text=
Feb 25 22:59:35 baal slapd[8751]: conn=10 op=17 SRCH base="" scope=2 deref=3 filter="(&(|(zimbraMailDeliveryAddress=jwhite@medinavoip.com)(zimbraMailAlias=jwhite@medinavoip.com))(objectClass=zimbraAccount))"
Feb 25 22:59:35 baal slapd[8751]: conn=10 op=17 SEARCH RESULT tag=101 err=0 nentries=1 text=
Feb 25 22:59:35 baal slapd[8751]: conn=10 op=18 SRCH base="cn=zimbra" scope=2 deref=3 filter="(objectClass=zimbraZimletEntry)"
Feb 25 22:59:35 baal slapd[8751]: conn=10 op=18 SEARCH RESULT tag=101 err=0 nentries=21 text=