Loading 'libdwf.so' with Waveforms 3.19.5 throws error

[Andrew Rachwalski]

I have a custom Python script for controlling with a Analog Discovery 2. The code wraps the sample code given in the 'Importing the Constants and Loading the Dynamic Library' section of the Getting Started guide.

When attempting to load the `libdwf.so` dynamic library I'm hitting this error. This started happening after upgrading to Adept 2.26.1 / Waveforms 3.19.5 this morning. Simply downgrading to Waveforms 3.18.1 makes the problem go away.

Traceback (most recent call last):
  File "<...>/digilent_logic_analyzer/digilent_logic_analyzer.py", line 233, in __init__
    self.dwf = cdll.LoadLibrary("libdwf.so")
  File "/usr/lib/python3.8/ctypes/__init__.py", line 451, in LoadLibrary
    return self._dlltype(name)
  File "/usr/lib/python3.8/ctypes/__init__.py", line 373, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: /usr/lib/libdwf.so: undefined symbol: DmgtConfigureFPGA

This is on an Ubuntu 18.04 machine using Python 3.8.

Thanks in advance for any help!

[attila]

Hi @Andrew Rachwalski

Please update digilent.adept.runtime to 2.27.X
You can find it under WF beta v3.18.58 links:

 

[Andrew Rachwalski]

Thanks, @attila! That solved my issue.

[jb-.-]

This post helped me a lot.
I recently updated my waveforms software on arch linux using the AUR. Then my python code using pydwf was not finding the libraries anymore.
This solved it.

[Jry]

Hi @attila

This is the same issue I am having, the only difference is that my system is ARM (raspberry pi 4) not AMD64.  Is there a beta digilent.adept.runtime 2.27.X armhf.deb version available so I could use Waveforms 3.19.5? 

[attila]

Hi @Jry

It should have been updated here: https://digilent.com/reference/software/adept/start

Here you have a direct links for armhf and arm64: 
https://digilent.s3.us-west-2.amazonaws.com/Software/Adept2+Runtime/2.27.6/digilent.adept.runtime_2.27.6-armhf.deb
https://digilent.s3.us-west-2.amazonaws.com/Software/Adept2+Runtime/2.27.6/digilent.adept.runtime_2.27.6-arm64.deb