AM335X-EVMSK with DHCP problem with SDK 7.0

Dear Quote,

Thank your reply, I am sorry, I am a beginner. 

I don't fully understand this system. How can I find data for you about the dual EMAC Mode ?

I just use  the shell "create_sdcard.sh" with the selection the prebuilt-images to create a OS.

All of dts files I have not changed. So I think everything is default.

the CPSW configured I copy from am33xx-clocks.dtsi

cpsw_125mhz_gclk: cpsw_125mhz_gclk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clocks = <&dpll_core_m5_ck>;
clock-mult = <1>;
clock-div = <2>;
};

cpsw_cpts_rft_clk: cpsw_cpts_rft_clk@44e00520 {
#clock-cells = <0>;
compatible = "mux-clock";
clocks = <&dpll_core_m5_ck>, <&dpll_core_m4_ck>;
reg = <0x44e00520 0x4>;
bit-mask = <0x1>;
};

Please tell me anything you want.

Dear Quote,

My H/W AM335X Starter Kit,with the SDK V5 prebuilt-images under the SD card,works fine on DHCP.

The network connection is OK under the SDK V5. ( ti-sdk-evm-05.07.00.00),

unning e2fsck is recommended
[ 5.827575] EXT3-fs (mmcblk0p2): using internal journal
ALSA: Restoring mixer settings...
Configuring network interfaces... [ 6.464050] net eth0: CPSW phy found : id is : 0x4dd074
udhcpc (v1.20.2) started
Sending discover...
[ 8.460632] PHY: 0:00 - Link is Up - 100/Full
Sending discover...
Sending select for 192.168.0.105...
Lease of 192.168.0.105 obtained, lease time 86400
/etc/udhcpc.d/50default: Adding DNS 192.168.0.1
done.
INIT: Entering runlevel: 5
Starting system message bus: dbus.
Starting Dropbear SSH server: dropbear.

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The problem is the H/W can't work with the SDK V7 prebuilt-images under the SD card on DHCP.

The following comes from the console.

[ 6.835644] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
ALSA: Restoring mixer settings...
Configuring network interfaces... [ 7.652722] net eth0: initializing cpsw version 1.12 (0)
[ 7.661526] net eth0: phy found : id is : 0x4dd074
[ 7.673835] 8021q: adding VLAN 0 to HW filter on device eth0
udhcpc (v1.20.2) started
Sending discover...
[ 9.656338] libphy: 4a101000.mdio:00 - Link is Up - 100/Full
Sending discover...
Sending discover...
No lease, failing
done.
INIT: Entering runlevel: 5
Starting system message bus: dbus.
UIM SYSFS Node Not Found

Is the "VLAN 0" setting problem ?