CAN failed after update BSP to 4.5.1

[JerryChang]

hello make9-11,

could you please refer to below topic as see-also,
thanks

CAN bus inconsistent behavior on L4T 32.4.4 and L4T 32.5.0

Hi I’m trying to debug CAN bus on Jetson Xavier and Jetson Xavier NX on L4T 32.5.0. (These are made on custom mother board). I tried 2 board transmit CAN bus messages together. One use candump can0 and other use cansend can0 123#abcdabcd. Xavier can0 (L4T 32.4.4) <-> Xavier NX can0 (L4T 32.4.4) => It works. Xavier can0 (L4T 32.4.4) <-> Xavier NX can0 (L4T 32.5.0) => It doesn’t works. Xavier can0 (L4T 32.5.0) <-> Xavier NX can0 (L4T 32.5.0) => It works. Looks CAN bus has inconsistent behav…