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运行log如下，请问rpmsg_char_simple -r 1 -n 10为何会报错，rpmsg_char_simple -r 0/2/3 -n 10都正常。
请参考一下下面的帖子是否有帮助？https://e2e.ti.com/support/processors-group/processors/f/processors-forum/972247/processor-sdk-dra8x-tda4x-about-rpmsg_char-only-some-devices-can-communicate
