F1.16X Large Error - 'xrt_xocl::error'

Question

Hi,   
I referred to Multiple devices example project and updated my project to work with multiple fpga devices . I am successful with using the f1.4xlarge instance and I am able to get the expected results.  
  
However, when I try to run inference on f1.16xlarge, it throws the following error:  
  
_terminate called after throwing an instance of 'xrt_xocl::error'_  
  _what():  No devices found_  
_Aborted_  
  
I tried setting the XCL_EMULATION_MODE=hw, unset XCL_EMULATION_MODE and set up the environment using   
_source $AWS_FPGA_REPO_DIR/vitis_runtime_setup.sh_  
  
It appears that the line in host code which corresponds to this error is   
  
_auto devices = xcl::get_xil_devices();_  
  
Note: the xcl2.cpp and xcl2.hpp are in ./libs folder.  
   
Kindly suggest on what I can try to resolve this problem.      
Thanks

Answer

Hello,  
  
Can you confirm mpd has started in this case? If not, can you run:

```
sudo systemctl restart mpd
```

Besides that, what OS is this running on and what region is the F1.16XL instance running in? We can help debug this further with those details.  
  
-Deep

F1.16X Large Error - 'xrt_xocl::error'

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