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We have encountered the issue of bus-off errors, and this article serves to document the resolution for this problem. The error message is as follows:
Cause: Node crash, when the error accumulates to a certain number of occurrences, it will result in bus off.
Solutions:
1. You can set auto bus on for automatic recovery. (Some CAN controller chips support this feature)
2. SocketCAN can set the automatic restart time.
When starting the CAN channel, simply add “restart-ms xxx” to enable the software restart mechanism at the SocketCAN layer.
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Original link:
https://blog.csdn.net/fangye945a/article/details/120367817