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We are working on Intel Amston Lake > CPU’s  SGMII <> GPY215 PHY for DPDK test but fail. > > We consulted with Intel support team and they suggested we should > consult DPDK community and it should have the patch or code change for > Amston Lake <> GYP215 available for DPDK. > > Could you kindly suggest us the direction of it?  I also keep my > Engineering team in this mail loop for further discussion.   > >   > > Thank you so much     > >   > > The error message while we testing DPDK > > SoC 2.5G LAN (BIOS  set to 1G) with dpdk 24.03.0. It can run testpmd > test, and  error message as follows : > > root@fwa-1214-efi:~/dpdk/dpdk-24.03/build/app# ./dpdk-testpmd -c 0xf -n > 1 -a 00:1e.4 --socket-mem=2048,0 -- -i --mbcache=512 --numa > --port-numa-config=0,0 --socket-num=0 --coremask=0x2 --nb-cores=1 > --rxq=1 --txq=1 --portmask=0x1 --rxd=2048 --rxfreet=64 --rxpt=64 > --rxht=8 --rxwt=0 --txd=2048 --txfreet=64 --txpt=64 --txht=0 --txwt=0 > --burst=64 --txrst=64 --rss-ip -a > > EAL: Detected CPU lcores: 4 > > EAL: Detected NUMA nodes: 1 > > EAL: Detected static linkage of DPDK > > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket > > EAL: Selected IOVA mode 'PA' > > TELEMETRY: No legacy callbacks, legacy socket not created > > testpmd: No probed ethernet devices > > Interactive-mode selected > > Fail: input rxq (1) can't be greater than max_rx_queues (0) of port 0 > > EAL: Error - exiting with code: 1 > >  Cause: rxq 1 invalid - must be >= 0 && <= 0 > >   Hi Jack, According above log device is not detected. What is the Ehternet controller connected to the "GPY215 PHY" and do you know if it has required driver in DPDK for it? If device sits on PCIe bus, you can check it via `lspci`.