I forgot that I was running 1.6.0p10, rerun the test on p14. Same result
- Did you try " tabula rasa"?
- Did you try “cmk --flush [HOST1 HOST2…] Flush all data of some or all hosts” to check if just the RRD is rong?
- Did you update your agent?
- Can you check if this maybe fix you error https://checkmk.com/check_mk-werks.php?werk_id=11303 ?