Re: [dpdk-users] [dpdk-dev] seeing a problem dpdk startup

[Venumadhav Josyula <vjosyula@gmail.com>]

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 <huiweics@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