UCS + MegaRAID 9261 + ESXI clue

i am having scary logging from ESXI off a UCS-210-M2 with a MagaRAID
9261. if you have clue in this space, please contact me off list.

[ esxi's lack of transparency to the hardware makes me crazy. i plan to
  migrate to kvm when i have spare time, ha ha, and a spare box to hold
  the vms while switching. ]