使用arm4379平台, can操作一段时间后,不定时,会出现can bus off状态,要重启can才可以继续使用,请问有没有什么建议排查问题,感谢
root@am437x-evm:~# ip -d -s link show can0
4: can0: <NO-CARRIER,NOARP,UP,ECHO> mtu 16 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 10
link/can promiscuity 0
can state ERROR-ACTIVE (berr-counter tx 111 rx 0) restart-ms 0
bitrate 500000 sample-point 0.875
tq 125 prop-seg 6 phase-seg1 7 phase-seg2 2 sjw 1
c_can: tseg1 2..16 tseg2 1..8 sjw 1..4 brp 1..1024 brp-inc 1
clock 24000000
re-started bus-errors arbit-lost error-warn error-pass bus-off
0 0 0 1 1 1
RX: bytes packets errors dropped overrun mcast
5101064 642475 0 2 0 0
TX: bytes packets errors dropped carrier collsns
3239520 404940 0 0 0 0
root@am437x-evm:~#