Hi Venumadhav, > -----Original Message----- > From: dev <dev-boun...@dpdk.org> On Behalf Of Venumadhav Josyula > Sent: Thursday, November 28, 2019 3:01 PM > To: dev@dpdk.org; us...@dpdk.org > Cc: Venumadhav Josyula <vjosy...@parallelwireless.com> > Subject: [dpdk-dev] seeing a problem dpdk startup > > We are seeing following error, no device is detected.... > ========== > EAL: Detected 8 lcore(s) > EAL: Detected 2 NUMA nodes > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket > EAL: No free hugepages reported in hugepages-1048576kB > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: PCI device 0000:04:00.0 on NUMA socket 0 > EAL: probe driver: 8086:1528 net_ixgbe > EAL: 0000:04:00.0 failed to select IOMMU type > EAL: Requested device 0000:04:00.0 cannot be used > EAL: PCI device 0000:04:00.1 on NUMA socket 0 > EAL: probe driver: 8086:1528 net_ixgbe > EAL: 0000:04:00.1 failed to select IOMMU type > EAL: Requested device 0000:04:00.1 cannot be used > > ================== > dmesg > > [55455.259493] vfio-pci 0000:04:00.0: Device is ineligible for IOMMU domain > attach due to platform RMRR requirement. Contact your platform vendor. > [55455.260947] vfio-pci 0000:04:00.1: Device is ineligible for IOMMU domain > attach due to platform RMRR requirement. Contact your platform vendor. > > ====== > BOOT_IMAGE=/boot/vmlinuz-3.10.0-957.el7.pw.1.x86_64 root=/dev/sda3 > intel_iommu=on > > > Can anybody suggest how to work around the issue ? Did you check if the device is bound to DPDK? Here is an example on my host: gavin@net-arm-thunderx2-01:~/dpdk$ ./usertools/dpdk-devbind.py -s
Network devices using DPDK-compatible driver ============================================ 0000:0f:00.0 'Ethernet Controller XL710 for 40GbE QSFP+ 1583' drv=vfio-pci unused=i40e 0000:8a:00.0 'Ethernet Controller XXV710 for 25GbE SFP28 158b' drv=vfio-pci unused=i40e 0000:8a:00.1 'Ethernet Controller XXV710 for 25GbE SFP28 158b' drv=vfio-pci unused=i40e > > Thanks, > Regards, > Venu