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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