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A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.

WiFi drops and reconnects regularly...

Scheduled Pinned Locked Moved Solved Troubleshooting
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  • B Offline
    binderth
    last edited by Nov 8, 2017, 8:05 AM

    Hi there,

    I happen to find some strange entries in my logs. I’m not sure, if they are MM2 related, but perhaps someone can Point me in the right direction.
    I’m running MM2 (latest) on a raspberry Pi 3 model B (Hardware BCM2835, Revision a02082) and seemingly the WiFi disconnects on a regular base (sometimes around an hour, sometimes 20min) and at times won’t reconnect:

    /var/log/messages

    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304393] usb 1-1: USB disconnect, device number 6
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304419] usb 1-1.1: USB disconnect, device number 7
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304833] smsc95xx 1-1.1:1.0 enxb827eb395566: unregister 'smsc95xx' usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304927] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.554214] Indeed it is in host mode hprt0 = 00021501
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.754068] usb 1-1: new high-speed USB device number 8 using dwc_otg
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.754318] Indeed it is in host mode hprt0 = 00001101
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.984336] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.984355] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.985385] hub 1-1:1.0: USB hub found
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.985487] hub 1-1:1.0: 5 ports detected
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.324025] usb 1-1.1: new high-speed USB device number 9 using dwc_otg
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.465152] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.465186] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.469158] smsc95xx v1.0.5
    Nov  8 07:39:10 MagicMirror2 mtp-probe: checking bus 1, device 9: "/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1"
    Nov  8 07:39:10 MagicMirror2 mtp-probe: bus: 1, device: 9 was not an MTP device
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.568590] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:39:55:66
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.600462] smsc95xx 1-1.1:1.0 enxb827eb395566: renamed from eth0
    Nov  8 07:39:11 MagicMirror2 kernel: [ 3491.976302] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 07:39:11 MagicMirror2 kernel: [ 3491.976719] IPv6: ADDRCONF(NETDEV_UP): enxb827eb395566: link is not ready
    
    ...
    
    Nov  8 08:33:09 MagicMirror2 kernel: [ 6730.310923] usb 1-1: USB disconnect, device number 8
    Nov  8 08:33:09 MagicMirror2 kernel: [ 6730.310952] usb 1-1.1: USB disconnect, device number 9
    Nov  8 08:33:09 MagicMirror2 kernel: [ 6730.311373] smsc95xx 1-1.1:1.0 enxb827eb395566: unregister 'smsc95xx' usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet
    Nov  8 08:33:09 MagicMirror2 kernel: [ 6730.311472] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 08:33:09 MagicMirror2 kernel: [ 6730.580643] Indeed it is in host mode hprt0 = 00021501
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6730.790635] usb 1-1: new high-speed USB device number 10 using dwc_otg
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6730.790867] Indeed it is in host mode hprt0 = 00001101
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.021176] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.021204] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.022487] hub 1-1:1.0: USB hub found
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.022594] hub 1-1:1.0: 5 ports detected
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.340631] usb 1-1.1: new high-speed USB device number 11 using dwc_otg
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.470918] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.470937] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.474357] smsc95xx v1.0.5
    Nov  8 08:33:10 MagicMirror2 mtp-probe: checking bus 1, device 11: "/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1"
    Nov  8 08:33:10 MagicMirror2 mtp-probe: bus: 1, device: 11 was not an MTP device
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.565397] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:39:55:66
    Nov  8 08:33:10 MagicMirror2 kernel: [ 6731.595975] smsc95xx 1-1.1:1.0 enxb827eb395566: renamed from eth0
    Nov  8 08:33:11 MagicMirror2 kernel: [ 6731.864586] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 08:33:11 MagicMirror2 kernel: [ 6731.865091] IPv6: ADDRCONF(NETDEV_UP): enxb827eb395566: link is not ready
    

    /var/log/syslog

    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304393] usb 1-1: USB disconnect, device number 6
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304419] usb 1-1.1: USB disconnect, device number 7
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304833] smsc95xx 1-1.1:1.0 enxb827eb395566: unregister 'smsc95xx' usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.304927] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 07:39:09 MagicMirror2 dhcpcd[384]: enxb827eb395566: removing interface
    Nov  8 07:39:09 MagicMirror2 kernel: [ 3490.554214] Indeed it is in host mode hprt0 = 00021501
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.754068] usb 1-1: new high-speed USB device number 8 using dwc_otg
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.754318] Indeed it is in host mode hprt0 = 00001101
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.984336] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.984355] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.985385] hub 1-1:1.0: USB hub found
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3490.985487] hub 1-1:1.0: 5 ports detected
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.324025] usb 1-1.1: new high-speed USB device number 9 using dwc_otg
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.465152] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.465186] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.469158] smsc95xx v1.0.5
    Nov  8 07:39:10 MagicMirror2 mtp-probe: checking bus 1, device 9: "/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1"
    Nov  8 07:39:10 MagicMirror2 mtp-probe: bus: 1, device: 9 was not an MTP device
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.568590] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:39:55:66
    Nov  8 07:39:10 MagicMirror2 kernel: [ 3491.600462] smsc95xx 1-1.1:1.0 enxb827eb395566: renamed from eth0
    Nov  8 07:39:11 MagicMirror2 dhcpcd[384]: enxb827eb395566: waiting for carrier
    Nov  8 07:39:11 MagicMirror2 dhcpcd[384]: enxb827eb395566: waiting for carrier
    Nov  8 07:39:11 MagicMirror2 kernel: [ 3491.976302] smsc95xx 1-1.1:1.0 enxb827eb395566: hardware isn't capable of remote wakeup
    Nov  8 07:39:11 MagicMirror2 kernel: [ 3491.976719] IPv6: ADDRCONF(NETDEV_UP): enxb827eb395566: link is not ready
    

    Somebody got the same errors?

    1 Reply Last reply Reply Quote 0
    • B Offline
      binderth @barnosch
      last edited by Nov 8, 2017, 9:49 AM

      @barnosch hmmm… Thanks! I just replaced the 1,5A with a 2A one as I lack a 2,5A one. I’ll Keep that in mind, though!

      M 1 Reply Last reply Nov 8, 2017, 12:22 PM Reply Quote 0
      • B Offline
        barnosch
        last edited by Nov 8, 2017, 8:20 AM

        First step i would do, is a replacement with another power supply.
        Does it have enough power. At least 2.5A is recommened i guess!?

        I guess it is not related to the MM itself, its a Pi problem.

        B M 2 Replies Last reply Nov 8, 2017, 9:49 AM Reply Quote 1
        • B Offline
          binderth @barnosch
          last edited by Nov 8, 2017, 9:49 AM

          @barnosch hmmm… Thanks! I just replaced the 1,5A with a 2A one as I lack a 2,5A one. I’ll Keep that in mind, though!

          M 1 Reply Last reply Nov 8, 2017, 12:22 PM Reply Quote 0
          • B Offline
            barnosch
            last edited by Nov 8, 2017, 12:12 PM

            the only “original” RaspPi3 powersupply they sell has 5V/2.5A
            But i guess a 2A is good to go.
            If the old one has some problems or drops the voltage from time to time, the issues you have can happen easily.
            Just try with the other one?
            You are using the internal Wifi or with a external USB-Wlan Dongle?

            1 Reply Last reply Reply Quote 0
            • M Offline
              Mykle1 Project Sponsor Module Developer @binderth
              last edited by Mykle1 Nov 8, 2017, 12:24 PM Nov 8, 2017, 12:22 PM

              @binderth

              Have you?

              Disable WiFi Power Save

              Disable power saving

              For Raspberry Pi 3
              Edit /etc/network/interfaces

              sudo nano /etc/network/interfaces
              Add the following line under the wlan0 section

              wireless-power off
              Reboot your PI

              sudo reboot

              Create a working config
              How to add modules

              1 Reply Last reply Reply Quote 0
              • C Offline
                cowboysdude Module Developer
                last edited by Nov 8, 2017, 12:32 PM

                Honestly I think this happens when you update the Pi…I don’t believe it’s MM doing this.

                1 Reply Last reply Reply Quote 0
                • B Offline
                  binderth
                  last edited by Nov 8, 2017, 1:06 PM

                  Just a short information, after changing the powersupply to 5V/2A instead 5V/1,5A it now seems stable. I now only get a rekeying-message every 10mins in the syslog, which I suppose is my FritzBox. :)

                  I’m using the internal WiFi - apparently withou power saving off. But seems OK.

                  B 1 Reply Last reply Nov 9, 2017, 9:10 AM Reply Quote 2
                  • B Offline
                    broberg Project Sponsor @binderth
                    last edited by Nov 9, 2017, 9:10 AM

                    @binderth I found that 2A isn’t enough for the pi3, when under heavy load it would fail. The raspberry 2,5A power unit is highly recommended.

                    1 Reply Last reply Reply Quote 1
                    • M Offline
                      mukulb @barnosch
                      last edited by Sep 27, 2019, 8:07 PM

                      @barnosch
                      I am also having the same issue. I tried this method, But still i am facing this issue. Any other solutions.

                      1 Reply Last reply Reply Quote 0
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