Look at kernel log (dmesg). Probably you don't have VT-d enabled. On Sun, Apr 4, 2021, 7:40 AM hamidreza Kheirabadi < hamidreza.kheirab...@gmail.com> wrote:
> Hi, > I have a dpdk application which binds nic with igb_uio. My problem is > whenever the kernel updates, I must recompile igb_uio.ko as well. > I want to use vfio instead but I got an error: > > Error: bind failed for 0000:06:00.0 - Cannot bind to driver vfio-pci > Error: unbind failed for 0000:06:00.0 - Cannot open > /sys/bus/pci/drivers//unbind > > I used ubuntu 20.04 and dpdk-18.05 and use dpdk-setup.py helper script > > Regards, > hamid >