> Jan 18 05:34:00 raspberrypi kernel: [405471.116322] mcp251xfd spi0.0 can0: > Transmit Event FIFO buffer not empty. (seq=0x00001e36, > tef_tail=0x00001e3a, tef_head=0x00001e3b, tx_head=0x00001e3b). > Jan 18 09:36:27 raspberrypi kernel: [420017.452369] mcp251xfd spi6.0 can1: > Transmit Event FIFO buffer full. (seq=0x00001062, tef_tail=0x00001066, > tef_head=0x00001067, tx_head=0x00001067). > Interesting, never seen of of the full messages, but only running since ~2h now. > But now the real problem. After some time one of the socketcans is receiving > only a truncated message: > > 1: idx 2 exp:2A5#00 02 F4 7C 7B F2 53 BD 53 84 B3 4B B7 5F AE 55 2D 88 13 25 > 7C D4 82 EF 85 35 9C 33 1B 7C 5B 55 91 4F D1 0D 41 24 CA 95 A9 7E E0 60 DD 8E > B5 0A 16 C8 2F 92 9C B1 82 22 E6 1E 55 01 9A B0 56 2B > 1: rx:2A5#00 02 F4 7C 7B F2 53 BD 53 84 B3 4B B7 5F AE 55 2D 88 13 25 > > I've seen this truncation occurring several times. How often does this happen for you? What's your SPI speed? Do you see the errors on SPI0 and SPI6 or only one of them? Thanks, Thomas
