RHEL4.6启动时报“hub 5-0:1.0: over-current change on port 1”是咋回事？

happywolf

启动到解压缩KERNEL后开始报
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
hub 1-0:1.0: over-current change on port 7
hub 5-0:1.0: over-current change on port 1
（这是从DMESG中抓的）
请问有什么解决方法，谢谢。
但启动后系统运行貌似正常。