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Keystone I的IPC应用,创建了一个Qmss_QueueType_INFRASTRUCTURE_QUEUE型TxQue, 和两个Qmss_QueueType_GENERAL_PURPOSE_QUEUE的FDQ。从一个核往另一个核发数据,两个FDQ交替POP出descriptor,填好各域后push到TxQue。程序运行起来后正常,过几十分钟后发现FDQ descriptor逐渐减少了,此时用Qmss_getQueueEntryCount()查询TxQue,发现TxQue有很多descriptor,其数量刚好等于FDQ丢失的descriptor数。说明descriptor阻塞在TxQue发送不出去?还是PKTDMA回收出问题了?