nios2 with nommu of the test-nios2 branch booting trapped with the ghost

Oh on fire, who can help me, man?

this is the boot info below,in my custom Cyclone II board for nios2, I thought I have meet a ghost.

[NiosII EDS]$ nios2-download -g zImage

Using cable "USB-Blaster [USB-0]", device 1, instance 0x00

Pausing target processor: OK

Initializing CPU cache (if present)

Downloaded 570KB in 13.1s (43.5KB/s)

Verified OK

Starting processor at address 0x02500000

/cygdrive/d/..../image

[NiosII EDS]$ nios2-terminal

nios2-terminal: connected to hardware target using JTAG UART on cable

nios2-terminal: "USB-Blaster [USB-0]", device 1, instance 0

nios2-terminal: Warning: The JTAG cable you are using is not supported for Nios

nios2-terminal: II systems. You may experience intermittent JTAG communication

nios2-terminal: failures with this cable. Please use a USB Blaster revision B

nios2-terminal: cable or another supported cable. Please refer to the file

nios2-terminal: errata.txt included in the Nios II development kit documents

nios2-terminal: directory for more information.

nios2-terminal: (Use the IDE stop button or Ctrl-C to terminate)

Uncompressing Linux... Ok, booting the kernel.

I did not know whether I got the success to boot the kernel. Because I have cut off the network module.

How do I to debug the kernel when it start , any advice? any tools ?any recommended? are OK.Many thanks for the cool man.

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