Hi, everybody: I can't wait to write this mail for help, I am trying to run dpdk on xen guest (aka DomU), but whatevery I do, it's always failed. The followings is my environment: xen guest OS which dpdk is running on is ubuntu 16.04 sever. dpdk version is 17.05. I enable the xen support in config/common_base. CONFIG_RTE_LIBRTE_PMD_XENVIRT=y after compiling dpdk with the command " make install T=x86_64-native-linuxapp-gcc", I run testpmd with the following command: ./testpmd -l 1,2 -n 4 --vdev="eth_xenvirt0,mac=a6:38:57:e8:d5:be" --vdev="eth_xenvirt1,mac=32:f1:42:55:94:74" -- --total-num-mbufs=2048
but I got the error "PMD: rte_pmd_xenvirt_probe: grant init failed". then I realised that something is missed, after I fixed this error with the following command: modprobe xen_gntalloc limit=6000, modprobe xen_evtchn, and modprobe xen_gntdev. I got another error: PMD: mempool with more than 1 chunk [num=287] is not supported EAL: memzone_reserve_aligned_thread_unsafe(): memzone <MP_mbuf_pool_socket_0> already exists EAL: Error - exiting with code: 1 Cause: Creation of mbuf pool for socket 0 failed: File exists Is there anybody has experience about how run dpdk on xen guest ? or who can give me some clue to fix it ? I really need your help! I appreciate any reply from you.