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328 Views
Registered: ‎04-23-2019

Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

HI,

 

not able to debug the application code for arm, but able to program fpga from "program FPGA " option in xilinix tools, why is this problem occurring. Previously my board used to work properly.

I am using zed board.

 

Please help me to sort out this issue. I am struggling from 7 days, please help me..................... 

Capture.JPG
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6 Replies
Xilinx Employee
Xilinx Employee
289 Views
Registered: ‎06-21-2018

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi nagavenkat,

Which SDK version are you using? 

Are you using System Debugger or GDB?

Thanks,
Andres

 

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275 Views
Registered: ‎04-23-2019

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi Sir,

 

SDK version is 2014.2

I am using GDB.

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Xilinx Employee
Xilinx Employee
256 Views
Registered: ‎06-21-2018

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi nagavenkat,

Can you try with System Debugger and report the output?

Thanks,
Andres

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241 Views
Registered: ‎04-23-2019

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi Sir,

 

Debugging through  System debugger.

error is shown in the image attached

Capture1.JPG
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Xilinx Employee
Xilinx Employee
228 Views
Registered: ‎06-21-2018

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi nagavenkat,

Is your JTAG connection reliable? Are you able to target the board in Vivado Hardware Manager?

Thanks,
Andres

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219 Views
Registered: ‎04-23-2019

Re: Unexpected error while launching program: Error while running ps7_init method. Cannot write to target Cannot access JTAG-DP: invalid ACK value (0x00, expected=0x02) Error Address = 0xf8000778

Hi Sir,

I am able to connect the target board in Vivado Hardware Manager & impact.

Please find the attached images.

Screenshot (1).png
Screenshot (2).png
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