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Linux/AM3358: ethernet port status leds always on occasionally

Part Number: AM3358

Tool/software: Linux

Ethernet port status leds always on occasionally

Hello , I have met a problem about Ethernet port status leds, and I need your help , thanks

(1) The following is some info which you may need :

TI SDK Version : 6.0
arm-linux-gnueabihf-gcc version : 4.7
linux version : 3.12
Ethernet PHY : KSZ8041TLI
Ethernet PHY Driver : linux kernel universal driver
Ethernet Ports number : 2

(2) when the problem appears
a. the problem appears occasionally
b. two Ethernet port status leds always on when I unplug the network cable , and the port is dead ,
and there is no log output.
c. when the problem appears(the network cable has been unpluged), the phy status register(Read-only) says the link is up

d. when the problem appears, I excute the following command , the problem is disappeared,
$ ifconfig eth0 down

if you need any info , please let me know.

regards,
Yafei Wang