两片evmc6678le，通过boc板连接到一起，跑pdk 1.0.0.20中的chipTochip，能跑通4个port ok，但均卡在
[C66xx_0] Global Core 0: Sending packets to an off-chip core.
[C66xx_0] Global Core 0 attempting to open remote board Queue CORE2
[C66xx_1] Global Core 1: Sending packets to an off-chip core.
[C66xx_1] Global Core 1 attempting to open remote board Queue CORE3
请问是什么问题。