topic rx_align_err in Testpmd in Layerscape https://community.nxp.com/t5/Layerscape/rx-align-err-in-Testpmd/m-p/1074389#M6235 <HTML><HEAD></HEAD><BODY><P>Hello dear,</P><P></P><P>I would like to understand why I have rx_align_err counter increasing in my DPDK testpmd application.</P><P>I have one LS1043 board running pktgen connected to a LS1046 board over the 10G copper port running testpmd. I'm using LSDK 19.09. The forwarding works good however when I print the xstats in testpmd I have the following :</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="align_err.PNG"><img src="https://community.nxp.com/t5/image/serverpage/image-id/116562i64437C25B16E6119/image-size/large?v=v2&amp;px=999" role="button" title="align_err.PNG" alt="align_err.PNG" /></span></P><P>After googling this type of issue it seems that it comes from CRC errors or odd bytes number.</P><P>I tried different setups (also with a lx2160 board) and different cables but the issue still remains.</P><P></P><P>Tanks for your help,</P><P></P><P>Etienne Cordroc'h</P></BODY></HTML> Wed, 22 Jul 2020 07:09:42 GMT etienne_cordroc 2020-07-22T07:09:42Z rx_align_err in Testpmd https://community.nxp.com/t5/Layerscape/rx-align-err-in-Testpmd/m-p/1074389#M6235 <HTML><HEAD></HEAD><BODY><P>Hello dear,</P><P></P><P>I would like to understand why I have rx_align_err counter increasing in my DPDK testpmd application.</P><P>I have one LS1043 board running pktgen connected to a LS1046 board over the 10G copper port running testpmd. I'm using LSDK 19.09. The forwarding works good however when I print the xstats in testpmd I have the following :</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="align_err.PNG"><img src="https://community.nxp.com/t5/image/serverpage/image-id/116562i64437C25B16E6119/image-size/large?v=v2&amp;px=999" role="button" title="align_err.PNG" alt="align_err.PNG" /></span></P><P>After googling this type of issue it seems that it comes from CRC errors or odd bytes number.</P><P>I tried different setups (also with a lx2160 board) and different cables but the issue still remains.</P><P></P><P>Tanks for your help,</P><P></P><P>Etienne Cordroc'h</P></BODY></HTML> Wed, 22 Jul 2020 07:09:42 GMT https://community.nxp.com/t5/Layerscape/rx-align-err-in-Testpmd/m-p/1074389#M6235 etienne_cordroc 2020-07-22T07:09:42Z