Overlay loading error

PYNQ version : v3.0.1
Board name : PYNQ-Z1
Tool Version : 2022.2

ERROR Faced:

TimeoutError                              Traceback (most recent call last)
TimeoutError: [Errno 110] Connection timed out

During handling of the above exception, another exception occurred:

TimeoutError                              Traceback (most recent call last)
Input In [3], in <cell line: 1>()
----> 1 overlay = Overlay('/home/xilinx/jupyter_notebooks/Atomic_Ops/atomic_ops_1.bit')

File /usr/local/share/pynq-venv/lib/python3.10/site-packages/pynq/overlay.py:348, in Overlay.__init__(self, bitfile_name, dtbo, download, ignore_version, device, gen_cache)
    345     self.systemgraph = None
    347 if download:
--> 348     self.download()
    349 else:
    350     if gen_cache:

File /usr/local/share/pynq-venv/lib/python3.10/site-packages/pynq/overlay.py:428, in Overlay.download(self, dtbo)
    425         else:
    426             Clocks.set_pl_clk(i)
--> 428 super().download(self.parser)
    429 if dtbo:
    430     super().insert_dtbo(dtbo)

File /usr/local/share/pynq-venv/lib/python3.10/site-packages/pynq/bitstream.py:168, in Bitstream.download(self, parser)
    151 def download(self, parser=None):
    152     """Download the bitstream onto PL and update PL information.
    153 
    154     If device tree blob has been specified during initialization, this
   (...)
    166 
    167     """
--> 168     self.device.download(self, parser)

File /usr/local/share/pynq-venv/lib/python3.10/site-packages/pynq/pl_server/embedded_device.py:681, in EmbeddedDevice.download(self, bitstream, parser)
    679 with open(self.BS_FPGA_MAN_FLAGS, "w") as fd:
    680     fd.write(str(flag))
--> 681 with open(self.BS_FPGA_MAN, "w") as fd:
    682     fd.write(bitstream.binfile_name)
    684 self.set_axi_port_width(parser)

TimeoutError: [Errno 110] Connection timed out

Block Diagram:

Files addes to Jupyter Directory: .bit, .tcl, .hwh

Hi @Harshith_N,

I noticed that the aresetn signal of the AXI Smart Connect is not connected. Also. make sure you’re using the right device in Vivado.

Mario

1 Like

There could be useful information about where to put the files in that older request:

Server Connection Error - File Save Error design.ipynb