I think BIOS turn off vt-d, use igb_uio can work around.
>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
