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    Web interface AJAX timeouts

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    • curieosundefined
      curieos
      last edited by

      Yeah I'm also still getting a lot of errors. About the same amount, maybe more but its a small sample size so it might be coincidence.

      She/Her
      I work at a local 3D printing shop.
      Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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      • dc42undefined
        dc42 administrators
        last edited by

        1. Those of you who are getting Ajax disconnects: is the Error Reason at the bottom of the box always given as timeout?

        2. If you ever find that you can't reconnect after a disconnect, please try the following if possible:

        A. Close the browser tab, open a new one and try to connect in that.

        B. If that doesn't work, use Pronterface or PanelDue to send M552 S0 followed by M552 S1 to restart the wifi module. Then try to connect.

        C. If that doesn't work, run M122 from Pronterface and see what the number of free buffers is.

        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

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        • curieosundefined
          curieos
          last edited by

          Yes for me. I canceled the print I had going (had a mechanical problem I had to fix) and I updated the web server and now I can't keep connected for more than a couple minutes it seems. its been anywhere between 30 seconds to 8 minutes right now.

          I'll try what you said when it happens again

          She/Her
          I work at a local 3D printing shop.
          Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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          • pjr3Dundefined
            pjr3D
            last edited by

            1. It certainly is for me.

              • A. Connect from another browser instance (machine) works but is slow

            B. Hasn't been necessary yet and I have no paneldue on this machine

            C. Will try next time if I can't reconnect

            Seems to be worse after I went from wired-wifi connection to wifi-wifi after I moved my laptop. Upload speeds dropped to ~250k (even seen 30-40k on smallish files!).

            Hope you can find a fix for timeouts as well as speed.

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            • curieosundefined
              curieos
              last edited by

              Okay, If it disconnects I can not reconnect by opening a new tab and trying to connect. If I connect to the board via serial I can turn off the server and turn it back on and I can connect.

              I can leave it connected but I can't test while printing for a while, the mount I used for my hotend isn't working very well, the hotend is moving around in its mount (flying extruder) a good 3mm or so.

              I also tried reconnecting on a different computer to no avail.

              She/Her
              I work at a local 3D printing shop.
              Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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              • mhackneyundefined
                mhackney
                last edited by

                I've been chasing timeout problems on my thread here too. I also can not reconnect after a timeout but can do things from PanelDue. When I first commissioned Duet WiFi using the installed firmware, it was up and running for well over 48 hrs with no time outs. I then attempted to install a custom DWC.bin (simple hack) and it has been disconnecting within 1 minute since and once disconnected, I can't stay connected. I copied and pasted all of the error dialogs and exactly what I did on my thread. I'm now going to go back and reinstall all of the original binaries and see what happens and do some network captures in wireshark.

                My 3D Printing blog: http://www.sublimelayers.com
                Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                • elmoretundefined
                  elmoret
                  last edited by

                  I think I've always been able to reconnect without power cycling. Maybe once did I have to, otherwise a reload of the page or clicking the connect button worked.

                  Have not upgraded to the recently released firmware though.

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                  • mhackneyundefined
                    mhackney
                    last edited by

                    I've reverted back to the pre-production firmware that shipped with the board and when I disconnect now, I have to reset or turn off/on wifi in order to reconnect. But, once connected it always disconnects quickly afterwards (1-60 seconds or so).

                    My 3D Printing blog: http://www.sublimelayers.com
                    Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                    • curieosundefined
                      curieos
                      last edited by

                      I was having connection issues with the original firmware shipped (had to restart the board or wifi interface, or there was a time or two where I waited an hour and it was working again), but only after a couple hours normally. The issues became more frequent with the newer firmwares for me, but I'm not sure if its actually because of the newer firmwares, since hackney has tried downgrading to the shipped firmwares with the same issues.

                      She/Her
                      I work at a local 3D printing shop.
                      Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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                      • dc42undefined
                        dc42 administrators
                        last edited by

                        Those of you who haven't tried the new firmware bundle and are getting occasional disconnects, please can you try installing the DuetWebControl.bin from the new firmware bundle. You need to upload is to the SD card /sys directory (which you can do via the Settings page of DWC), then run M997 S2. It takes a few minutes to install, so preferably have Pronterface or a PanelDue connected so that you can see the progress and make sure it completed successfully.

                        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

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                        • mhackneyundefined
                          mhackney
                          last edited by

                          This is interesting, using some network monitoring tools and the admin console for my Verizon Quantum router I discovered that I had a few odd things going on on my network. Several devices which I could not identify were issuing a lot of packets and that seemed to be causing timeouts. Also, the Windows laptop that I VPN in into work was chewing up a lot of bandwidth. The Quantum router supports dual frequency but none of my devices were connecting the the 5GHz. So I created a new SSID for 5GHz and connect my lap worktop to it. Now, I haven't had a single disconnect in several hours from the Duet WiFi! And the Wireshark logs looks clean as a whistle.

                          My 3D Printing blog: http://www.sublimelayers.com
                          Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                          • curieosundefined
                            curieos
                            last edited by

                            I had issues when I was using safari+the 5ghz frequency on my router so I switched and they seemed to go away. I switched to firefox because of other ajax issues I encountered, so me watching youtube etc while on the 2.4ghz frequency probably was causing the issues. I just switched back to the 5ghz network and I haven't had a disconnect in the 5 minutes its been up so its a good sign so far.

                            She/Her
                            I work at a local 3D printing shop.
                            Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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                            • curieosundefined
                              curieos
                              last edited by

                              Since I posted it I have gotten 0 timeouts. Guess the network load really does affect it quite a lot.

                              She/Her
                              I work at a local 3D printing shop.
                              Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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                              • mhackneyundefined
                                mhackney
                                last edited by

                                Turns out that it was my network - it was congested. I cleaned up some devices and also repartitioned to have an explicit SSID for 5GHz and now I'm connected rock solid.

                                My 3D Printing blog: http://www.sublimelayers.com
                                Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                                • briangilbertundefined
                                  briangilbert
                                  last edited by

                                  @dc42

                                  does the beta firmware have these changes as well? as I'm still getting timeouts with it.

                                  Co-creator of the Zesty Nimble direct drive extruder

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                                  • mhackneyundefined
                                    mhackney
                                    last edited by

                                    @RCarlyle:

                                    It's really weird that some nights I get the timeouts constantly, and some nights I make it 4+ hours without one.

                                    See my previous couple of posts. I had a very similar behavior running Duet on Wifi with the previous generation of boards. Now that I've found issues on my network and corrected them, I'm staying connected again. Could be that during those times of high disconnect someone on your network is using a lot of bandwidth? Get a copy of Wireshark and learn how to capture a basic session if you don't already. It might be very revealing as it was for me.

                                    My 3D Printing blog: http://www.sublimelayers.com
                                    Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                                    • dc42undefined
                                      dc42 administrators
                                      last edited by

                                      @briangilbert:

                                      @dc42

                                      does the beta firmware have these changes as well? as I'm still getting timeouts with it.

                                      The change that I made to try to reduce the number of ajax timeout errors was to add one retry when the browser times out waiting for a reply to a status request message. That change is included in the new DuetWebControl.bin file. You can use that file independently of which other firmware files you have installed. You can tell if you are running it because on the SettIngs page of DuetWebControl, the web interface version will be "HTML: 1.11b-dc42, JS: 1.11b-dc42".

                                      I haven't added retries to the other message types yet. Also, if the Duet is losing the wifi connection to the router completely (which was happening to mhackney), a retry won't help and you will find that you can't reconnect unless you stop and restart the wifi module.

                                      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

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                                      • mhackneyundefined
                                        mhackney
                                        last edited by

                                        I'm running all the latest since earlier today and I've not had a single drop out yet after fixing my network problem. I suspect the issue on my network was transient. A good Wireshark capture from anyone having dropped connections should help diagnose if its a network or firmware issue.

                                        My 3D Printing blog: http://www.sublimelayers.com
                                        Coming this summer: "3D Printing Strategies - the art of perfecting your designs and prints"

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                                        • curieosundefined
                                          curieos
                                          last edited by

                                          I got a disconnect during a print, but it was going fine so I let it be. I came back and theres some splitting so I wanted to bump the temp up a bit, so I connected via PC to the duet, toggled the server, and I still can't connect to it. Not sure if this is related, but it says "restart Reason 6" when it starts up, not sure if thats a disconnect from wifi, or if its just saying it was turned off because of the M552 command.

                                          She/Her
                                          I work at a local 3D printing shop.
                                          Printers: Micron+ w/Duet 3 Mini, in-progress adaptation of the Jubilee REL onto an E3D MS, Prusa i3 MK3S.

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                                          • dc42undefined
                                            dc42 administrators
                                            last edited by

                                            Did you try connecting from a new browser tab?

                                            The newer firmware decodes the restart reason, so I guess you are not running it yet.

                                            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

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