topic imx8dx flexcan sometimes frame data no ACK in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/imx8dx-flexcan-sometimes-frame-data-no-ACK/m-p/1422465#M187728 <P>HI ，</P><P><SPAN class=""><SPAN class=""><SPAN>When I use CAN communication, sometimes when I send CAN data to imx8, there is no response after an interruption.</SPAN></SPAN> </SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>Sometimes this error is encountered.</SPAN></SPAN></SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>[ 25.363292] flexcan 5a8d0000.can can0: New error state: 1</SPAN></SPAN> <SPAN class=""><SPAN>[ 25.363316] flexcan 5a8d0000.can can0: New error state: 2</SPAN></SPAN> <SPAN class=""><SPAN>[ 25.363333] flexcan 5a8d0000.can can0: __skb_queue_add_sort: pos=0x285b0000, new=0x28670000, diff= 786432, queue_len=1</SPAN></SPAN> </SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>I don't know what's wrong, can you help me to look at the problem?</SPAN></SPAN></SPAN></P><P>thanks</P> Thu, 03 Mar 2022 06:55:10 GMT songhongliang 2022-03-03T06:55:10Z imx8dx flexcan sometimes frame data no ACK https://community.nxp.com/t5/i-MX-Processors/imx8dx-flexcan-sometimes-frame-data-no-ACK/m-p/1422465#M187728 <P>HI ，</P><P><SPAN class=""><SPAN class=""><SPAN>When I use CAN communication, sometimes when I send CAN data to imx8, there is no response after an interruption.</SPAN></SPAN> </SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>Sometimes this error is encountered.</SPAN></SPAN></SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>[ 25.363292] flexcan 5a8d0000.can can0: New error state: 1</SPAN></SPAN> <SPAN class=""><SPAN>[ 25.363316] flexcan 5a8d0000.can can0: New error state: 2</SPAN></SPAN> <SPAN class=""><SPAN>[ 25.363333] flexcan 5a8d0000.can can0: __skb_queue_add_sort: pos=0x285b0000, new=0x28670000, diff= 786432, queue_len=1</SPAN></SPAN> </SPAN></P><P><SPAN class=""><SPAN class=""><SPAN>I don't know what's wrong, can you help me to look at the problem?</SPAN></SPAN></SPAN></P><P>thanks</P> Thu, 03 Mar 2022 06:55:10 GMT https://community.nxp.com/t5/i-MX-Processors/imx8dx-flexcan-sometimes-frame-data-no-ACK/m-p/1422465#M187728 songhongliang 2022-03-03T06:55:10Z