Hi Hui, I understand that and we are exploring that.
But is there no work around there where in it defaults to igb_uio driver something like that..... Basic idea is we should not be situation of no port detected at all under this situation ? Thanks, Regards, Venu On Thu, 28 Nov 2019 at 13:15, Hui Wei <huiwe...@hotmail.com> wrote: > > >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. > > Intel Vt-d document addresses RMRR, but not that clearly. Check BIOS > setup, > no link share, for example, a nic detect by linux kernel, it was shared by > BIOS for > IPMI. If change BIOS setup don't solve your problem, contact platform > vendor update > nic firmware, a server made by HP, check HP's website for firmware. > > > > >====== > >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 ? > > > >Thanks, > >Regards, > >Venu
