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USRP firmware and fpga update lead to error

Hello, every one,  I am using USRP driver 14.0, and USRP 2920,  I have updated the firmware and fpga image, after the updating, it is normal for running the hardware using the example  niUSRP EX Rx Continuous Async.vi  for several times. However, sometime later , after I re-power the hardware, and run the same example .  The following error happen :

 

-1074118627

niUSRP Configure Signal.vi<ERR>A runtime or configuration error occurred.
Code: 1440
Details: RuntimeError: fifo ctrl timed out looking for acks

 

Anyone has the same problems ?  two usrp confronted the same situation,  any bugs of new version USRP driver and related image ??

 

The image I used are ni292x_fw.bin, and ni292x_fpga.bin . 

 

Thanks a lot for any help .

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