imx8dx flexcan sometimes frame data no ACK

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imx8dx flexcan sometimes frame data no ACK

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songhongliang
Contributor II

HI ,

When I use CAN communication, sometimes when I send CAN data to imx8, there is no response after an interruption.

Sometimes this error is encountered.

[ 25.363292] flexcan 5a8d0000.can can0: New error state: 1 [ 25.363316] flexcan 5a8d0000.can can0: New error state: 2 [ 25.363333] flexcan 5a8d0000.can can0: __skb_queue_add_sort: pos=0x285b0000, new=0x28670000, diff= 786432, queue_len=1

I don't know what's wrong, can you help me to look at the problem?

thanks

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