Created attachment 274227 [details] backport of the megaraid_sas driver from kernel 4.14.20 to kernel 4.9.82 backport of the megaraid_sas driver from kernel 4.14.20 to kernel 4.9.82 Hi, Hardware: DMI: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.00.01.0009.101920170742 10/19/2017 I copy /usr/src/linux-4.14.20/drivers/scsi/megaraid to /usr/src/linux-4.9.82/drivers/scsi/megaraid . I copile the kernel 4.9.82 and is OK ! I send dmesg atached.