my enviroment: NIC:X540 DPDK version:2.2.0 problems: start dpdk app with traffic not stopped?app can't receive any packet from dpdk ixgbe driver (1.2w pps udp packet). test five times would happens 1 ~ 2 times.
The stats of the nic (ipackets==3230 and imissed == ierrors): ipackets 3230 imissed 9780225 ierrors 9780225 ipackets 3230 imissed 9792154 ierrors 9792154 ipackets 3230 imissed 9804310 ierrors 9804310 ipackets 3230 imissed 9816177 ierrors 9816177 ipackets 3230 imissed 9828042 ierrors 9828042 ipackets 3230 imissed 9839694 ierrors 9839694 ipackets 3230 imissed 9851412 ierrors 9851412 ipackets 3230 imissed 9863134 ierrors 9863134 ipackets 3230 imissed 9874722 ierrors 9874722 ipackets 3230 imissed 9886776 ierrors 9886776 ipackets 3230 imissed 9898616 ierrors 9898616 ipackets 3230 imissed 9910648 ierrors 9910648 ipackets 3230 imissed 9922513 ierrors 9922513 The value of register RDH:1023 The value of register RDT:959 there are some desc value log for one queue, the format of the log is [desc_idx](DD value, vlan, length, status_error) : [959]:(0,0, 0, 0) [960]:(1,0, 2048, 1342308425) [961]:(1,0, 2048, 1342308425) [962]:(1,0, 1031, 1342308427) [963]:(1,0, 0, 3) [964]:(1,0, 0, 3) [965]:(1,0, 2048, 1342308425) [966]:(1,0, 2048, 1342308425) [967]:(1,0, 1031, 1342308427) [968]:(1,0, 0, 3) [969]:(1,0, 0, 3) [970]:(1,0, 2048, 1342308425) [971]:(1,0, 2048, 1342308425) [972]:(1,0, 1031, 1342308427) [973]:(1,0, 0, 3) [974]:(1,0, 0, 3) [975]:(1,0, 2048, 1342308425) [976]:(1,0, 2048, 1342308425) [977]:(1,0, 1031, 1342308427) [978]:(1,0, 0, 3) [979]:(1,0, 0, 3) [980]:(1,0, 2048, 1342308425) [981]:(1,0, 2048, 1342308425) [982]:(1,0, 1031, 1342308427) [983]:(1,0, 0, 3) [984]:(1,0, 0, 3) [985]:(1,0, 2048, 1342308425) [986]:(1,0, 2048, 1342308425) [987]:(1,0, 1031, 1342308427) [988]:(1,0, 0, 3) [989]:(1,0, 0, 3) [990]:(1,0, 2048, 1342308425) [991]:(1,0, 2048, 1342308425) [992]:(1,0, 1031, 1342308427) [993]:(1,0, 0, 3) [994]:(1,0, 0, 3) [995]:(1,0, 2048, 1342308425) [996]:(1,0, 2048, 1342308425) [997]:(1,0, 1031, 1342308427) [998]:(1,0, 0, 3) [999]:(1,0, 0, 3) [1000]:(1,0, 2048, 1342308425) [1001]:(1,0, 2048, 1342308425) [1002]:(1,0, 1031, 1342308427) [1003]:(1,0, 0, 3) [1004]:(1,0, 0, 3) [1005]:(1,0, 2048, 1342308425) [1006]:(1,0, 2048, 1342308425) [1007]:(1,0, 1031, 1342308427) [1008]:(1,0, 0, 3) [1009]:(1,0, 0, 3) [1010]:(1,0, 2048, 1342308425) [1011]:(1,0, 2048, 1342308425) [1012]:(1,0, 1031, 1342308427) [1013]:(1,0, 0, 3)[1014]:(1,0, 0, 3) [1015]:(1,0, 2048, 1342308425) [1016]:(1,0, 2048, 1342308425) [1017]:(1,0, 1031, 1342308427) [1018]:(1,0, 0, 3) [1019]:(1,0, 0, 3) [1020]:(1,0, 2048, 1342308425) [1021]:(1,0, 2048, 1342308425) [1022]:(1,0, 1031, 1342308427) [1023]:(0,0, 0, 0) other desc in the ring is all zero? is there a bug? PS: it was normal with linux ixgbe driver?