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Duet3+SBC print stops - DWC unresponsive -

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jubilee
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  • undefined
    Wally @BryanH
    last edited by 27 Jul 2020, 22:24

    @BryanH Thanks for the details. Suggest changing your main board jumpers and power the Pi independently (separate power source like an AC adapter) to see if that helps resolve.

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    • undefined
      BryanH
      last edited by 29 Jul 2020, 02:21

      @Wally Thanks for the suggestion but I was really hoping for some diagnostics / troubleshooting. Does anyone know if we can connect the Pi to the Duet3 via USB while in operation to capture the debug output on the USB port? I've already set the DSF / DWC to debug logging and will be trying some increasingly longer prints to see if I can reproduce the issue.

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      • undefined
        Phaedrux Moderator
        last edited by 29 Jul 2020, 02:57

        Trying to power the pi separately might be worthwhile. It would be interesting to see if that helped or not.

        It could also very likely be an issue with DSF. Duet3 + SBC is still one of the more cutting edge implementations.

        You may be able to get some more info via this technique to enable debugging

        https://duet3d.dozuki.com/Wiki/Getting_Started_With_Duet_3#Section_Monitoring_optional

        Z-Bot CoreXY Build | Thingiverse Profile

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        • undefined
          BryanH
          last edited by 29 Jul 2020, 04:16

          @Phaedrux Thanks for the info - I'm running the debug monitoring now - Found what looks like an out of memory dump in the Pi's logs at or about the time of the last failure - Should I post it here?
          Thanks!

          undefined 1 Reply Last reply 29 Jul 2020, 04:18 Reply Quote 0
          • undefined
            Phaedrux Moderator @BryanH
            last edited by 29 Jul 2020, 04:18

            @BryanH said in Duet3+SBC print stops - DWC unresponsive -:

            Should I post it here?

            Sure.

            Z-Bot CoreXY Build | Thingiverse Profile

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            • undefined
              BryanH
              last edited by 29 Jul 2020, 04:19

              JubileePiLogDump.txt

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              • undefined
                Phaedrux Moderator
                last edited by 29 Jul 2020, 04:21

                Thanks. Perhaps @chrishamm will be able to take a look.

                Z-Bot CoreXY Build | Thingiverse Profile

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                • undefined
                  BryanH
                  last edited by 29 Jul 2020, 04:22

                  Great, that's from the kernel log - I'm pulling the syslog to see if there's anything there.

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                  • undefined
                    BryanH
                    last edited by 29 Jul 2020, 04:47

                    Syslog with the observed issue https://drive.google.com/file/d/1qGrD7uS_jXZGs1kyyUrE6AGbiEL8Fvxc/view?usp=sharing

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                    • undefined
                      chrishamm administrators
                      last edited by 29 Jul 2020, 10:01

                      Unfortunately there is no useful information in the logs you provided. Please start DuetControlServer with debug log level using a terminal on the Pi - just be aware that a print will be terminated once that is closed:

                      sudo systemctl stop duetcontrolserver
                      sudo /opt/dsf/bin/DuetControlServer -l debug

                      I need to know what exactly is causing the hang. Did you observe any pattern when the hangs occurred? When it hangs, you should be able to run M122 "DSF" from the G-code console to get a diagnostics output only from DCS.

                      If it really runs out of memory at some point, I need to reproduce that. Can you compress your system directory files plus the file you were trying to print?

                      Duet software engineer

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                      • undefined
                        BryanH
                        last edited by 30 Jul 2020, 04:11

                        Thank you, I'm running DCS in debug mode - and will be running jobs beginning tomorrow morning with the last jobs to see if I can reproduce the issue.

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