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agula's avatar
agula
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

DE5a-Net-DDR4 PCIe design

Hello, I am having a strange problem with the DE5a-Net-DDR4 Arria 10 development kit. When I exceed a certain amount of DMA data transfer, the board will all of a sudden lose its bitstream. When th...
KhaiChein_Y_Intel's avatar
KhaiChein_Y_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,


Could you check if the below KDBs help?


https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/fb365044.html

https://www.intel.com/content/altera-www/global/en_us/index/support/support-resources/knowledge-base/solutions/rd03052014_175.html

https://www.intel.com/content/altera-www/global/en_us/index/support/support-resources/knowledge-base/ip/2020/why-does-the-intel--arria--10-pcie--avalon--mm-with-dma-example-.html


Thanks

Best regards,

KhaiY


agula's avatar
agula
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Thank you for these resources, but I do not believe they help. The kernel crashes on the PC because the FPGA is losing its bitstream specifically. I believe the application logic is functioning fine. I am more so curious about why the FPGA is losing its bitstream. I know this may be an issue where I need to contact the manufacturer directly.