IMX7D M4 freeze when booting Linux

[neuberfran]

@ilan_figueiredo

RPMsg error: virtio_rpmsg_bus virtio0: msg received with no recipient

I am trying to implement a simple routine on the M4 core that: receives a string and it’s length and send it as a message to the A7 core through the RPMsg. Currently on the Linux (A7 core) when I try to receive the message with the command: cat < /dev/RPMSG0 I get in the terminal: virtio_rpmsg_bus virtio0: msg received with no recipient whenever the M4 core send a message. I have managed to init the channel and write a routine that receive messages already, and it works fine. The code for…

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