Excuse my pronunciation, english is not my natural language.
Shelf is a NetApp DS4243 / IOM6.
The controller is a NetApp PMC-Sierra PM8003 SCC 4-Port QSFP PCIe x8.
The 6.8.3 Version has the kernel: pm80xx 0000:27:00.0: pm80xx: driver version 0.1.39.
The 6.9.0-beta30 last working version.
The 6.9.0 rc2 Version stable has the kernel: pm80xx 0000:27:00.0: pm80xx: driver version 0.1.40
The controller didn't find my drives with the new driver.