https://bugs.openldap.org/show_bug.cgi?id=9221
--- Comment #1 from Quanah Gibson-Mount quanah@openldap.org --- From issue#8102 MR notes:
"Using cs_pmutex. The cs_modmutex added for delta-sync is actually redundant, could have also used cs_pmutex. Should sort this out in the future rewrite of syncrepl as an overlay."