# PYNQ VDMA fails

**URL:** <https://discuss.pynq.io/t/pynq-vdma-fails/1586>\
**Category:** Support\
**Created:** [July 28, 2020, 10:35am UTC](https://discuss.pynq.io/t/pynq-vdma-fails/1586 "2020-07-28T10:35:59Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![dimiter](https://avatars.discourse-cdn.com/v4/letter/d/e95f7d/32.png) [@dimiter](https://discuss.pynq.io/u/dimiter)\
**Post date:** [July 31, 2020, 1:15am UTC](https://discuss.pynq.io/t/pynq-vdma-fails/1586/3 "2020-07-31T01:15:52Z")

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I did try and I’m getting the same message.  
This is just a TPG to VDMA on an ZYNQ UL+ , so I’m wondering why it does not work.  
Can the driver work without the interrupt?

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