hi there,
I followed the tutorial to set up CAN FD. I can set up CAN FD successfully, but when I send data something went wrong.
Any advice is much appreciated!
pi@raspberrypi:~ $ uname -a
Linux raspberrypi 5.10.17-v7+ #1403 SMP Mon Feb 22 11:29:51 GMT 2021 armv7l GNU/Linux
pi@raspberrypi:~ $ ifconfig can0
can0: flags=193<UP,RUNNING,NOARP> mtu 72
unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 txqueuelen 65536 (UNSPEC)
RX packets 1826911 bytes 14615288 (13.9 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 1826907 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 199
I saw the error below after I send can data. I can’t receive any data with candump can0
.
[ 17.315758] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 17.315780] Bluetooth: BNEP filters: protocol multicast
[ 17.315813] Bluetooth: BNEP socket layer initialized
[ 17.834233] Under-voltage detected! (0x00050005)
[ 18.366871] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 24.074165] Voltage normalised (0x00000000)
[ 243.630213] IPv6: ADDRCONF(NETDEV_CHANGE): can0: link becomes ready
[ 273.147139] can: controller area network core
[ 273.147281] NET: Registered protocol family 29
[ 273.167759] can: raw protocol
[ 273.171353] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.171874] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.172452] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.173041] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.173790] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.174330] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.174872] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.175378] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.175956] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 273.176549] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!