DMA stuck at wait()

[marioruiz]

Hi @Karan_Mali,

Welcome to the PYNQ community.

Why are you using a FIFO interface? I will suggest you switch to an AXI4-Stream interface (it should be a pragma). You will need to handle TKEEP and TLAST correctly as well.

I wrote a blog showing how to debug issues with the DMA.

Debugging Common DMA Issues [Part 3]

Debugging Common DMA Issues If you frequent the PYNQ forum, one of the most common questions/issues we get is why DMA transfer do not work. In part 3 of this series, I will reproduce these issues and use both the register_map and ILA to identify and address these issues. DMA channel not started Often, we see users reporting something like this. --------------------------------------------------------------------------- RuntimeError Traceback (most recent call last) Input In [4], in <cell line:…

Mario