On 05/17/2017 01:30 PM, Jerry wrote: > For some reason each of the 5, 6 & 7 releases have issues with the mpt2sas > driver (there isn't enough swiotlb allocated by default for the driver to > work properly, and the units for that parameter changed between 5 and 6). > It's like this driver has bad luck or something. To my best knowledge they shouldn't use swiotlb if you give the dom0 4GiB+ of RAM. I posted the exact same problem before and that was the recommendation I got. It works. --Sarah