Article ID: 000076536 Content Type: Troubleshooting Last Reviewed: 01/18/2017

Why does the Avalon-MM DMA Hard IP for PCIe fail to return data for small DMA transfers?

Environment

  • Intel® Quartus® Prime Pro Edition
  • Intel® Arria® 10 Cyclone® 10 Hard IP for PCI Express
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    The Arria® 10 Hard IP for PCI Express with Avalon-MM DMA IP Core fails to return data for small DMA transfers. This problem can occur when the read size is less than 128bytes and the source address is aligned to 256bytes.

    Resolution

    This problem is fixed starting in the Quartus® Prime software version 16.1.

    Related Products

    This article applies to 3 products

    Intel® Arria® 10 GT FPGA
    Intel® Arria® 10 GX FPGA
    Intel® Arria® 10 SX SoC FPGA