I'm not sure, if that is hardware issue or nope. I hope that is not a hardware issue :D
In some cases, reboot helps, in some cases ifconfig can0 down and ifconfig can0 up
Also, unfortunately, thats happens only with mcp251xfd which is connected to spi1-0
# CAN-bus shield
dtoverlay=spi1-3cs
dtoverlay=mcp251xfd,spi0-0,interrupt=25
dtoverlay=mcp251xfd,spi0-1,interrupt=13
dtoverlay=mcp251xfd,spi1-0,interrupt=24
filename: /lib/modules/6.6.62+rpt-rpi-v7/kernel/net/can/can.ko.xz
alias: net-pf-29
author: Urs Thuermann <urs.thuermann@volkswagen.de>, Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
license: Dual BSD/GPL
description: Controller Area Network PF_CAN core
srcversion: 9FCDE9DC80F2506E3093972
depends:
intree: Y
name: can
vermagic: 6.6.62+rpt-rpi-v7 SMP mod_unload modversions ARMv7 p2v8
parm: stats_timer:enable timer for statistics (default:on) (int)
Linux device 6.6.62+rpt-rpi-v7 #1 SMP Raspbian 1:6.6.62-1+rpt1 (2024-11-25) armv7l GNU/Linux
[ 276.067936] mcp251xfd spi1.0 can-c1: Double ECC Error detected at address 0x0470.
[ 287.749071] mcp251xfd spi1.0 can-c1: Single ECC Error detected at address 0x0470.
[ 293.302682] mcp251xfd spi1.0 can-c1: Single ECC Error detected at address 0x047c.
[ 299.193674] mcp251xfd spi1.0 can-c1: Single ECC Error detected at address 0x0534.
[ 316.325433] mcp251xfd spi1.0 can-c1: Single ECC Error detected at address 0x0564.
I'm not sure, if that is hardware issue or nope. I hope that is not a hardware issue :D
In some cases, reboot helps, in some cases
ifconfig can0 downandifconfig can0 upAlso, unfortunately, thats happens only with mcp251xfd which is connected to spi1-0