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AWR2944: AWR2944+PHY芯片RTL9000BRG,ETH丢包问题

Part Number: AWR2944

1. 板子使用RTL9000BRG PHY芯片,通过ETH转接板,连接inter 网卡的电脑就会丢包,网速只剩下十分之一。连接Realtec网卡的电脑就不会丢包。通过加一个RealTec 以太网转USB的HUB,能正常收到数据。但是在LINUX系统下,用wireshark抓包,又会丢。通过ethtool -S指令看显示RX_CRC_ERRORS,但是UDP 还有ICMP的 CRC我确定算的没问题,wireshark还显示CRC correct,不知道哪里出了问题?