Abstract: The present disclosure discloses a method for repairing hanging-up of a communication bus, an apparatus, an electronic device and a storage medium. The method includes: detecting a communication situation between the central processing unit and a baseband processing unit; when the communication situation is used to indicate a communication fault between the central processing unit and the baseband processing unit, determining a target hanging-up event generated by the communication bus deployed between the central processing unit and the baseband processing unit; obtaining a target repairing operation corresponding to the target hanging-up event; and according to the target repairing operation, repairing the communication bus.

Abstract: A port auto-negotiation method and a device used for implementing port auto-negotiation between high-speed Ethernet devices are provided. The method performed by a first device includes: configuring a first port of the first device as four subports, where each of the four subports includes a differential transceiver channel; determining from the four subports, at least one subport whose differential transceiver channel operates normally, and selecting some or all of the at least one subport as a normal subport; sending capability information of the first port to a second device by using the normal subport, and receiving, by using the normal subport, capability information of a second port of the second device; and determining operating statuses of the four subports based on the capability information of the first port and of the second port.

Abstract: A port auto-negotiation method and a device are used for implementing port auto-negotiation between high-speed Ethernet devices. The method performed by a first device includes: configuring a first port of the first device as four subports, where each of the four subports includes a differential transceiver channel; determining from the four subports, at least one subport whose differential transceiver channel operates normally, and selecting some or all of the at least one subport as a normal subport; sending capability information of the first port to a second device by using the normal subport, and receiving, by using the normal subport, capability information of a second port of the second device; and determining operating statuses of the four subports based on the capability information of the first port and of the second port.