# Multiple DMA wait() problem

**URL:** <https://discuss.pynq.io/t/multiple-dma-wait-problem/7673>\
**Category:** Support\
**Created:** [November 4, 2024, 12:52pm UTC](https://discuss.pynq.io/t/multiple-dma-wait-problem/7673 "2024-11-04T12:52:00Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![T\_A](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/t_a/32/6410_2.png) [@T\_A](https://discuss.pynq.io/u/T_A)\
**Post date:** [November 4, 2024, 12:52pm UTC](https://discuss.pynq.io/t/multiple-dma-wait-problem/7673/1 "2024-11-04T12:52:00Z")

</div>

PYNQ v2.4 Ultra96v2, Vivado 2023.2 and Vitis HLS 2023.2  
Hi, I created an IP core with AXI stream interface successfully (I can see all interface signals). After creating the design with Vivado 2023.2 I can’t transfer via DMA, in particular my code doesn’t pass wait(). I attach the HLS code. Thank you for your help.

 ![image](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/2/20f8f793a5537b65b10d07bf008643759ee34b1b.png)  
[xf\_stereolbm\_accel2.cpp](https://discuss.pynq.io/uploads/short-url/fAw9cwcMcQrkFgDxBWGKloxrZpX.cpp) (3.7 KB)

---

<div class="post-metadata">

**Author:** ![matthew](https://avatars.discourse-cdn.com/v4/letter/m/ed655f/32.png) [@matthew](https://discuss.pynq.io/u/matthew)\
**Post date:** [November 4, 2024, 4:18pm UTC](https://discuss.pynq.io/t/multiple-dma-wait-problem/7673/2 "2024-11-04T16:18:59Z")

</div>

Hi,  
Did you check this post?

# [Debugging Common DMA Issues [Part 3]](https://discuss.pynq.io/t/debugging-common-dma-issues-part-3/7157)

---

<div class="post-metadata">

**Author:** ![T\_A](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/t_a/32/6410_2.png) [@T\_A](https://discuss.pynq.io/u/T_A)\
**Post date:** [November 4, 2024, 4:55pm UTC](https://discuss.pynq.io/t/multiple-dma-wait-problem/7673/3 "2024-11-04T16:55:12Z")

</div>

I did. I have 3 DMAs in my design and I can’t find anything that can help

---

<div class="post-metadata">

**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/system/32/2_2.png) [@system](https://discuss.pynq.io/u/system)\
**Post date:** [November 7, 2024, 4:56pm UTC](https://discuss.pynq.io/t/multiple-dma-wait-problem/7673/4 "2024-11-07T16:56:10Z")

</div>

This topic was automatically closed 3 days after the last reply. New replies are no longer allowed.