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    reason: MemoryProtectionFault mmarValid daccViol

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    • dc42undefined
      dc42 administrators
      last edited by

      I can see two faults in that log, both coming from the 6HC: a watchdog timeout that happened shortly before you ran that M122 command, and a memory protection violation that happened on 24 January at 17:45. Were you already running firmware 3.2 on 24 January?

      Duet WiFi hardware designer and firmware engineer
      Please do not ask me for Duet support via PM or email, use the forum
      http://www.escher3d.com, https://miscsolutions.wordpress.com

      jrocklandundefined 2 Replies Last reply Reply Quote 0
      • jrocklandundefined
        jrockland @dc42
        last edited by

        @dc42 yess, but the board was on a different machine.
        I start having those memory issue since I updated to 3.2 on most of my machine now.
        Im getting some sd card ready to go stand alone as plan A, plan B is to go back to 3.1...
        But as 3.2 solved soo many issues with the 3hc ill try to keep 3.2 working as long as possible.
        The machine in question where that board was the 24 was also running on a pi4b.. if it help..

        By chance my duet machines arent our production machines, just dummy's machines where I test parts prototypes. So it wont kill me if they are stopping for no reason.

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        • jrocklandundefined
          jrockland @dc42
          last edited by

          @dc42 WAIT..... Your telling me it is that easy to get the stand alone mode working, and that much faster while using the same user interface ???? Why did I bother looking for rasp bi boards all over the place and why was I trying so hard to get it to work when it work soo much better without it ???

          Stand alone all the way !!

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          • dc42undefined
            dc42 administrators
            last edited by

            @jrockland, if you get any more unexpected resets, please post the M122 reports taken after the reset.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

            jrocklandundefined 1 Reply Last reply Reply Quote 0
            • jrocklandundefined
              jrockland @dc42
              last edited by

              @dc42 had the same error again, I went back to 3.1.1 and Ill give a try

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              • dc42undefined
                dc42 administrators
                last edited by

                Did you get another M122 report?

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

                jrocklandundefined 3 Replies Last reply Reply Quote 0
                • jrocklandundefined
                  jrockland @dc42
                  last edited by

                  @dc42 m122.txt
                  same error on 3.1.1... Never had that error before last week and now it is happening on all my duet printers.. that make no sense..

                  jrocklandundefined 1 Reply Last reply Reply Quote 0
                  • jrocklandundefined
                    jrockland @jrockland
                    last edited by

                    @jrockland said in reason: MemoryProtectionFault mmarValid daccViol:

                    @dc42 m122.txt
                    same error on 3.1.1... Never had that error before last week and now it is happening on all my duet printers.. that make no sense..

                    ****All the printers using 3HC ext boards. not on the one who don't have ext.

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                    • jrocklandundefined
                      jrockland @dc42
                      last edited by

                      @dc42 im using mostly SanDisk Ultra 32GB microSDHC UHS-I sd cards, could it be the problem ?

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                      • jrocklandundefined
                        jrockland @dc42
                        last edited by

                        @dc42 moved back to 3.2, and still have the same error coming back. here is the latest m122console.txt

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