Havre you bound NIC to vfio-pci or uio_pci_generic?
> On 27 Aug 2019, at 23:32, William Tu <u9012...@gmail.com> wrote:
>
> Hi,
>
> I'm new to vpp and hit an error when receiving no packet from PCI
> device. My setup is below:
>
> /etc/vpp# cat startup.conf
> unix {
> nodaemon
> log /var/log/vpp/vpp.log
> full-coredump
> cli-listen /run/vpp/cli.sock
> gid vpp
> }
> api-segment {
> gid vpp
> }
> socksvr {
> default
> }
> cpu {
> main-core 1
> corelist-workers 2-3
> }
> dpdk {
> dev 0000:03:00.0 {
> name vpp-eth0
> }
> dev 0000:03:00.1 {
> name vpp-eth1
> }
> }
>
> vpp# show dpdk version
> DPDK Version: DPDK 19.08.0
> DPDK EAL init args: -c e -n 4 --in-memory --file-prefix vpp -w
> 0000:03:00.0 -w 0000:03:00.1 --master-lcore 1
>
> vpp# show int
> Name Idx State MTU (L3/IP4/IP6/MPLS)
> Counter Count
> local0 0 down 0/0/0/0
> vpp-eth0 1 up 9000/0/0/0 rx-miss
> 85285153
>
> rx-error 78
> vpp-eth1 2 up 9000/0/0/0
>
> vpp# trace add dpdk-input 1
> vpp# show trace
> ------------------- Start of thread 0 vpp_main -------------------
> No packets in trace buffer
> ------------------- Start of thread 1 vpp_wk_0 -------------------
> No packets in trace buffer
> ------------------- Start of thread 2 vpp_wk_1 -------------------
> No packets in trace buffer
> vpp#
>
> vpp# show errors
> Count Node Reason
>
> vpp# show version
> vpp v20.01-rc0~82-ga436a4222128 built by root on ovs-smartnic at Wed
> Aug 21 10:26:12 PDT 2019
>
> Thread 1 vpp_wk_0 (lcore 2)
> Time 291.5, average vectors/node 0.00, last 128 main loops 0.00 per node 0.00
> vector rates in 0.0000e0, out 0.0000e0, drop 0.0000e0, punt 0.0000e0
> Name State Calls Vectors Suspends
> Clocks Vectors/Call
> dpdk-input polling 4755986179 0 0 8.13e1 0.00
> unix-epoll-input polling 4639993 0 0 1.13e3 0.00
>
> Log shows:
> Aug 27 13:29:54 ovs-smartnic vpp[4358]: /usr/bin/vpp[4358]:
> vnet_feature_init:143: WARNING: arp arc: last node is error-drop, but
> expected arp-disabled!
> Aug 27 13:29:54 ovs-smartnic /usr/bin/vpp[4358]:
> vnet_feature_init:143: WARNING: arp arc: last node is error-drop, but
> expected arp-disabled!
> Aug 27 13:29:54 ovs-smartnic vpp[4358]: /usr/bin/vpp[4358]: dpdk: EAL
> init args: -c e -n 4 --in-memory --file-prefix vpp -w 0000:03:00.0 -w
> 0000:03:00.1 --master-lcore 1
> Aug 27 13:29:54 ovs-smartnic /usr/bin/vpp[4358]: dpdk: EAL init args:
> -c e -n 4 --in-memory --file-prefix vpp -w 0000:03:00.0 -w
> 0000:03:00.1 --master-lcore 1
> Aug 27 13:29:54 ovs-smartnic kernel: [ 6594.014378] DMAR: DRHD:
> handling fault status reg 602
> Aug 27 13:29:54 ovs-smartnic kernel: [ 6594.014389] DMAR: [DMA Read]
> Request device [03:00.0] fault addr 3bf628000 [fault reason 06] PTE
> Read access is not set
> Aug 27 13:29:55 ovs-smartnic vnet[4358]: load_one_vat_plugin:67:
> Loaded plugin: nsh_test_plugin.so
> Aug 27 13:29:55 ovs-smartnic vnet[4358]: load_one_vat_plugin:67:
> Loaded plugin: vmxnet3_test_plugin.so
> Aug 27 13:29:55 ovs-smartnic vnet[4358]: load_one_vat_plugin:67:
> Loaded plugin: mactime_test_plugin.so
> Aug 27 13:29:55 ovs-smartnic vnet[4358]: dpdk_ipsec_process:1033: not
> enough DPDK crypto resources, default to OpenSSL
> Aug 27 13:30:04 ovs-smartnic vnet[4358]: show: unknown input `nit
> Aug 27 13:30:17 ovs-smartnic vnet[4358]: set interface state: unknown
> interface `vpp-et0 up
> Aug 27 13:30:22 ovs-smartnic kernel: [ 6622.002030] DMAR: DRHD:
> handling fault status reg 702
> Aug 27 13:30:22 ovs-smartnic kernel: [ 6622.002040] DMAR: [DMA Read]
> Request device [03:00.0] fault addr 3bf628000 [fault reason 06] PTE
> Read access is not set
>
> It seems to be a problem of IOMMU?
> At BIOS, I have turned on SR-IOV and at grub, I have intel_iommu=on.
> It is the correct way? should I disable IOMMU?
>
> Thank you
> William
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