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Observer david.krolik
Registered: ‎08-20-2019

PCI Express Block sometimes won't start up


Currently having an issue when most of the time my PCI Express design using the DMA/Bridge subsystem for PCI Express (4.1) works fine but now and again the axi_aclk stops out putting a clock and the block is not recognize by the host machine. I've tried restarting the fpga board (the one I'm using is attached) and the host machine. Nothing I try seems to explain what causes this issue. After a while of many restarts and re-programming it works again but can't find out why. Any help would be greatly appreciated including debugging tips for this block. Thank you for any help in advance. Unfortunately this the forum site didn't let me upload my design files.

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