https://bugs.openldap.org/show_bug.cgi?id=9429
--- Comment #3 from Howard Chu hyc@openldap.org --- (In reply to simonleier from comment #2)
Unfortunately it still happens after changing PAGEBASE to PAGEHDRSZ and also with MDB_DEVEL set to 2.
Ah that's too bad. Won't be able to investigate since we don't have any M1 hardware here.