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SSD001's avatar
SSD001
Icon for New Contributor rankNew Contributor
5 years ago

MAX 10 Ethernet not Responding

Hi

I am using a MAX 10 CPLD (10M16SAUI169I7G) which is connected to LS1012A processor using 10/100 Media independent Interface. The MAX10 does not receive the UDP packets from the processor after running a operation of about 4 hours. The Triple speed Ethernet IP receiver is configured in promiscuous mode.

4 Replies

  • Deshi_Intel's avatar
    Deshi_Intel
    Icon for Regular Contributor rankRegular Contributor
    5 years ago

    Hi,


    May I know is this one time random failure event or you can somehow consistently reproduce the error every 4 hours or after some specific event/operation occurs ?

    • Can you also elaborate further on the failure description ?
    • Did you saw corrupted packet, lost of packet or application software stuck/hang issue ?


    Can you explain more on your Ethernet hardware setup ? Any block diagram to share ?

    • What TSE IP variance is set ?
    • How does your TSE IP connect to PC ?


    Below is some debug suggestion.


    Thanks.


    Regards,

    dlim


    • SSD001's avatar
      SSD001
      Icon for New Contributor rankNew Contributor
      5 years ago

      hi Dlim

      I am using TSE ip 18.1 version. The above problem is a random failure does not happen after a particular cycle. Never experience loss of packet or corrupted packet. It looks more like a hang issue. The Max10 IP core is connected to processor through PHY device(KSZ8081MNXIA-TR).

      The Ethernet resumes after reset is pressed sometimes but sometimes does not resume operation even after a power cycle.

      The rx_err[5:0] signal has been monitored but it does not show any errors so far in my observation.

  • Deshi_Intel's avatar
    Deshi_Intel
    Icon for Regular Contributor rankRegular Contributor
    5 years ago

    Hi,


    Got it. So looks like we are dealing with random "hang" issue here.

    • My suggestion is you need to first isolate whether the failure is caused by
    • either your CPU doesn't send out Ethernet packet
    • or FPGA TSE IP didn't receive and process the Ethernet packet correctly
    • or some external PHY chip in between them doesn't transfer out the packet


    Below are 2 common factor that I can think of that may caused hang issue. You can check it out

    • Device or system overheat causing system hang issue. This is possible if the system air flow is insufficient after running heavy processing task for many hours.
    • Some software run at OS level causing the system hang


    Thanks.


    Regards,

    dlim


  • Deshi_Intel's avatar
    Deshi_Intel
    Icon for Regular Contributor rankRegular Contributor
    5 years ago

    HI,


    I have not hear back from you for sometime.


    Hopefully you are making good progress in your debug.


    For now, I am setting this case to closure.


    Feel free to post new forum thread if you still like to engage in debug discussion in future.


    Thanks.


    Regards,

    dlim