My board is imx6ull with dual ethernet ports. kernel version is 4.15.The kernel will crash when booting sometimes but not frequently.The log show something is wrong with initialization of ethernet ports.
Few days before, I try to use netplan to config ethernet,Kernel crashed when i use
netplan apply.It report:
[ 119.696172] fec 20b4000.ethernet (unnamed net_device) (uninitialized): Invalid MAC address: 00:00:00:00:00:00
root@localhost:~# [ 123.176964] Unable to handle kernel NULL pointer dereference at virtual address 00000191
but dual ports have mac addr and work well if not use
I have no ideas how to solve this problem. Can someone help me about this? Thanks!