On Sun, Nov 01, 2020 at 09:00:13PM +0000, Changming Liu wrote: > > there is no 'uverbs0' file created under /sys/class/infiniband or > /dev/infiniband/. So may I ask how to properly set up my testing > environment so that I can fuzzi testing this driver? Is a physical > device required? A physical device is not required. Look at one of the software drivers like rxe. Ira