Comment 4 for bug 1808158

ovs-vswitchd.log:
2018-12-12T13:02:31.233Z|00009|dpdk|INFO|DPDK Enabled - initializing...
2018-12-12T13:02:31.233Z|00010|dpdk|INFO|No vhost-sock-dir provided - defaulting to /var/run/openvswitch
2018-12-12T13:02:31.233Z|00011|dpdk|INFO|IOMMU support for vhost-user-client disabled.
2018-12-12T13:02:31.233Z|00012|dpdk|INFO|EAL ARGS: ovs-vswitchd -c 3 --huge-dir /mnt/huge-1048576kB --socket-mem 1024 -n 4
2018-12-12T13:02:31.233Z|00013|dpdk|INFO|EAL: Detected 8 lcore(s)
2018-12-12T13:02:31.234Z|00014|dpdk|WARN|EAL: Some devices want iova as va but pa will be used because..
2018-12-12T13:02:31.234Z|00015|dpdk|WARN|EAL: IOMMU does not support IOVA as VA
2018-12-12T13:02:31.235Z|00016|dpdk|INFO|EAL: 10174 hugepages of size 2097152 reserved, but no mounted hugetlbfs found for that size
2018-12-12T13:02:31.235Z|00017|dpdk|INFO|EAL: Probing VFIO support...
2018-12-12T13:02:31.235Z|00018|dpdk|INFO|EAL: VFIO support initialized
2018-12-12T13:02:31.384Z|00019|dpdk|INFO|EAL: PCI device 0000:02:00.0 on NUMA socket -1
2018-12-12T13:02:31.384Z|00020|dpdk|WARN|EAL: Invalid NUMA socket, default to 0
2018-12-12T13:02:31.384Z|00021|dpdk|INFO|EAL: probe driver: 8086:10fb net_ixgbe
2018-12-12T13:02:31.384Z|00022|dpdk|ERR|EAL: 0000:02:00.0 VFIO group is not viable!
2018-12-12T13:02:31.384Z|00023|dpdk|ERR|EAL: Requested device 0000:02:00.0 cannot be used
2018-12-12T13:02:31.384Z|00024|dpdk|INFO|EAL: PCI device 0000:02:00.1 on NUMA socket -1
2018-12-12T13:02:31.384Z|00025|dpdk|WARN|EAL: Invalid NUMA socket, default to 0
2018-12-12T13:02:31.384Z|00026|dpdk|INFO|EAL: probe driver: 8086:10fb net_ixgbe
2018-12-12T13:02:31.385Z|00027|dpdk|INFO|DPDK Enabled - initialized

cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.10.0-862.11.6.el7.36.tis.x86_64 root=UUID=979017c6-c426-44c8-94c2-94e65951ea5c ro security_profile=standard module_blacklist=integrity,ima audit=0 tboot=false crashkernel=auto biosdevname=0 console=ttyS0,115200 iommu=pt usbcore.autosuspend=-1 hugepagesz=1G hugepages=1 hugepagesz=2M hugepages=0 default_hugepagesz=2M isolcpus=1,5 rcu_nocbs=1-3,5-7 kthread_cpus=0,4 irqaffinity=0,4 selinux=0 enforcing=0 nmi_watchdog=panic,1 softlockup_panic=1 intel_iommu=on user_namespace.enable=1 nopti nospectre_v2

ls /sys/devices/system/node/node0/hugepages/
hugepages-1048576kB hugepages-2048kB

ls /sys/devices/system/node/node1/hugepages/ -> node1 does not exist

cat /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/nr_hugepages
1

cat /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/free_hugepages
0

sudo ovs-vsctl get Open_vSwitch . other_config
{dpdk-extra="-n 4", dpdk-hugepage-dir="/mnt/huge-1048576kB", dpdk-init="true", dpdk-lcore-mask="3", dpdk-socket-mem="1024", pmd-cpu-mask="2"}