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ThomasKindler's avatar
ThomasKindler
Icon for New Contributor rankNew Contributor
3 years ago
Solved

Arria 10 - Avalon MM DMA for PCIe crashes the PC when re-initializing the descriptor controller

Hi! I'm using the Avalon MM DMA for PCIe on a Terasic TR10a-HL Arria 10 board. The card is running the provided PCIe_Fundamental.sof demo image and is plugged into a server PC. I'm currently wr...
  • Wincent_Altera's avatar
    Wincent_Altera
    3 years ago

    Hi,


    The pin_perst is the power on reset of the FPGA board, when you reboot the host, it will toggle the pin_perst. Where the npor is driven by soft reset (user application), but the soft reset will also bring down the link, once link being bring down, we need to rebooting the PC.

    I have a discussion with another PCIe specialty, it seem like there is no other alternative to reset the DMA controller alone beside reboot the PC.


    Hope this answered your question.


    Regards,

    Wincent_Intel


Wincent_Altera's avatar
Wincent_Altera
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi

We have not hear from you and this Case is idling. It is not recommended to idle for too long.

Therefore following our support policy, I have to put this case in close status. My apologies if any inconvenience cause

Hence, This thread will be transitioned to community support.

If you have a new question, feel free to open a new thread to get support from Intel experts.

Otherwise, the community users will continue to help you on this thread. Thank you

If you feel your support experience was less than a 9 or 10,

please allow me to correct it before closing or let me know the cause so that I may improve your future support experience.

Regards,

Wincent_Intel