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Alenux
Debugging error messages in the shell

When I turn on my car and connect to the shell through the web interface, I'm noticing that there are a lot of error messages being sent (I have a 2015 Nissan Leaf SV). I'm mostly seeing error flags 0x22400402 and 0x23400401. Here's a sample of the output:

I (347703446) netmanager: Set DNS#2 0.0.0.0
E (347704866) can: can2: intr=31299061 rxpkt=31787273 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
I (347704886) wifi: ampdu: ignore deleting tx BA0
E (347704976) can: can2: intr=31299153 rxpkt=31787368 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347705976) can: can2: intr=31300012 rxpkt=31788252 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347706566) can: can2: intr=31300527 rxpkt=31788774 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347706976) can: can2: intr=31300887 rxpkt=31789140 txpkt=1419 errflags=0x22000002 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347707076) can: can2: intr=31300963 rxpkt=31789224 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347707976) can: can2: intr=31301741 rxpkt=31790024 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347708176) can: can2: intr=31301912 rxpkt=31790202 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
I (347708376) wifi: ampdu: ignore deleting tx BA0
E (347708586) can: can2: intr=31302271 rxpkt=31790568 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347708876) can: can2: intr=31302515 rxpkt=31790818 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347709886) can: can2: intr=31303395 rxpkt=31791720 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347710146) can: can2: intr=31303614 rxpkt=31791946 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347710986) can: can2: intr=31304329 rxpkt=31792693 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711066) can: can2: intr=31304386 rxpkt=31792757 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711166) can: can2: intr=31304469 rxpkt=31792842 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711256) can: can2: intr=31304537 rxpkt=31792922 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711406) can: can2: intr=31304665 rxpkt=31793057 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711406) can: can2: intr=31304665 rxpkt=31793059 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711446) can: can2: intr=31304688 rxpkt=31793086 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711556) can: can2: intr=31304781 rxpkt=31793183 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711886) can: can2: intr=31305060 rxpkt=31793473 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347711966) can: can2: intr=31305122 rxpkt=31793538 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347712236) can: can2: intr=31305343 rxpkt=31793778 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347712426) can: can2: intr=31305514 rxpkt=31793951 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
I (347713446) netmanager: Set DNS#2 0.0.0.0
E (347717976) can: can2: intr=31310296 rxpkt=31798865 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347718026) can: can2: intr=31310331 rxpkt=31798904 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347720976) can: can2: intr=31312890 rxpkt=31801520 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347720986) can: can2: intr=31312891 rxpkt=31801524 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347722076) can: can2: intr=31313816 rxpkt=31802489 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347722076) can: can2: intr=31313816 rxpkt=31802490 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347722936) can: can2: intr=31314545 rxpkt=31803252 txpkt=1419 errflags=0x22400402 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
E (347722966) can: can2: intr=31314565 rxpkt=31803275 txpkt=1419 errflags=0x23400401 rxerr=0 txerr=0 rxovr=0 txovr=0 txdelay=0 wdgreset=0 errreset=0
I (347723446) netmanager: Set DNS#2 0.0.0.0

How can we debug these types of messages? I'm not manually sending anything on the CAN bus, so I'm not sure where to start.

Alenux
Error on brakes

FYI, regarding my specific CAN errors above, they actually start as soon as I put my foot on the brake to start the car; I don't even need to push the button.

jbeuree
Same errors

I've got a 2015 SV and see the same thing. Tons of what looks like can2 errors. Figure out the cause?

sdarveau
sdarveau's picture
I also have this issue but

I also have this issue but then, I completely loose contact with the module. Does this also happen to you?

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