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

    MMM-PIR-Sensor - White Screen

    Scheduled Pinned Locked Moved Troubleshooting
    90 Posts 24 Posters 102.1k Views
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    • MedoM
      Medo @zichao92
      last edited by paviro

      @zichao92

      First things that come to my mind:

      • maybe a “sudo” is missing? Like sudo npm install --unsafe-perm?
      • are you executing this from the MMM-PIR-Sensor directory ?
      Z C 2 Replies Last reply Reply Quote 0
      • Z
        zichao92 @Medo
        last edited by paviro

        Hi @Medo, Thanks for the reply.
        1.) I tried this method and it gives an output of the following error.

        pi@raspi:~/MagicMirror/modules/MMM-PIR-Sensor $ sudo npm install --unsafe-perm
npm WARN prefer global npm@3.10.10 should be installed with -g
> epoll@0.1.20 install /home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/epoll
> node-gyp rebuild
make: Entering directory '/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/epoll/build'
  CXX(target) Release/obj.target/epoll/src/epoll.o
  SOLINK_MODULE(target) Release/obj.target/epoll.node
  COPY Release/epoll.node
make: Leaving directory '/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/epoll/build'
> nslog@3.0.0 install /home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/nslog
> node-gyp rebuild
make: Entering directory '/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/nslog/build'
  CXX(target) Release/obj.target/nslog/src/main.o
  CXX(target) Release/obj.target/nslog/src/nslog_linux.o
  SOLINK_MODULE(target) Release/obj.target/nslog.node
  COPY Release/nslog.node
make: Leaving directory '/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/nslog/build'
> Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall /home/pi/MagicMirror/modules/MMM-PIR-Sensor
> electron-rebuild -e ../../node_modules/electron-prebuilt
Unable to find electron-prebuilt's version number, either install it or specify an explicit version
npm ERR! Linux 4.4.38-v7+
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "--unsafe-perm"
npm ERR! node v7.3.0
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall: `electron-rebuild -e ../../node_modules/electron-prebuilt`
npm ERR! Exit status 255
npm ERR!
npm ERR! Failed at the Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall script 'electron-rebuild -e ../../node_modules/electron-prebuilt'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the Magic-Mirror-Module-PIR-Sensor package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     electron-rebuild -e ../../node_modules/electron-prebuilt
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs Magic-Mirror-Module-PIR-Sensor
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls Magic-Mirror-Module-PIR-Sensor
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR!     /home/pi/MagicMirror/modules/MMM-PIR-Sensor/npm-debug.log
        1. Yea it’s in the file directory ( MagicMirror/modules/MMM-PIR_Sensor )

        Note from admin: Please use Markdown on code snippets for easier reading!

        MedoM 1 Reply Last reply Reply Quote 0
        • MedoM
          Medo @zichao92
          last edited by paviro

          @zichao92
          What i also did, was a complete reinstall of the PIR-Sensor

          I followed the steps, “Banglee” described some lines above:

          ok so lets go step by step:
          cd ~/MagicMirror/modules/

          now we will remove the PIR folder:
          rm -rf MMM-PIR-Sensor

          and from here, we’re going to reinstall the MMM-PIR-Sensor modul:

          git clone https://github.com/paviro/MMM-PIR-Sensor.git
cd MMM-PIR-Sensor

          run the following cmd here:
          npm install and wait, this can take a few minutes.

          Now you’ll have to add pi to gpio
          sudo useradd -g pi gpio

          and reboot your Raspi:
          sudo reboot

          Sorry, no further ideas so far (maybe you can open a PIR-Sensor troubleshooting thread)?

          Note from admin: Please use Markdown on code snippets for easier reading!

          Z 1 Reply Last reply Reply Quote 0
          • Z
            zichao92 @Medo
            last edited by

            Hi @Medo ,
            I managed to get it working in an ugly way. Doesnt matter, it works. Thanks for your help!

            1 Reply Last reply Reply Quote 0
            • J
              jwhittaker
              last edited by jwhittaker

              I’m having nothing but trouble with this. I’ve tried all the tips on here but still get a white screen.

              @zichao92 What was the ugly way and how did you manage to get it working please?

              This is the error I get:

              > electron js/electron.js

>Starting MagicMirror: v2.1.0
Loading config ...
Loading module helpers ...
WARNING! Could not load config file. Starting with default configuration. Error found: Error: Could not locate the bindings file. Tried:
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/default/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/compiled/6.5.0/linux/arm/epoll.node
Loading module helpers ...
App threw an error during load
Error: Could not locate the bindings file. Tried:
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/default/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/compiled/6.5.0/linux/arm/epoll.node
    at bindings (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/bindings/bindings.js:88:9)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/epoll.js:1:116)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/onoff/onoff.js:4:11)
Whoops! There was an uncaught exception...
{ Error: Could not locate the bindings file. Tried:
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Debug/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Release/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/default/epoll.node
 → /home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/compiled/6.5.0/linux/arm/epoll.node
    at bindings (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/bindings/bindings.js:88:9)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/epoll.js:1:116)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/onoff/onoff.js:4:11)
  tries: 
   [ '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Debug/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/Release/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Debug/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Debug/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/out/Release/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/Release/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/build/default/epoll.node',
     '/home/pi/MagicMirror/modules/default/MMM-PIR-Sensor/node_modules/epoll/compiled/6.5.0/linux/arm/epoll.node' ] }
MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
Launching application.```
              Z 1 Reply Last reply Reply Quote 0
              • Z
                zichao92 @jwhittaker
                last edited by

                Hi @jwhittaker ,
                Previously i had a working node_modules that Ive installed through npm install ( Cant rmb how i got it but i managed to create a back up copy of it). Subsequently when I tried to use npm install on a new raspberry pi, it didnt work as intended.

                What i did was instead of using npm install, I bypassed it by inserting the node_module that i previously salvaged and it worked for some reasons.

                1 Reply Last reply Reply Quote 0
                • T
                  Them Russians
                  last edited by paviro

                  @zichao92

                  Random question for you:

                  when i try to do an “npm install” in the “MMM-PIR-Sensor” folder, i get the following error:

                  Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall /home/pi/MagicMirror/modules/MMM-PIR-Sensor
electron-rebuild -e …/…/node_modules/electron-prebuilt
An unhandled error occurred inside electron-rebuild
Unable to find electron-prebuilt’s version number, either install it or specify an explicit version
Error: Unable to find electron-prebuilt’s version number, either install it or specify an explicit version
at _callee$ (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/electron-rebuild/lib/cli.js:74:17)
at tryCatch (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/regenerator-runtime/runtime.js:63:40)
at GeneratorFunctionPrototype.invoke [as _invoke] (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/regenerator-runtime/runtime.js:337:22)
at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/regenerator-runtime/runtime.js:96:21)
at GeneratorFunctionPrototype.tryCatcher (/home/pi/node_modules/bluebird/js/release/util.js:16:23)
at PromiseSpawn._promiseFulfilled (/home/pi/node_modules/bluebird/js/release/generators.js:97:49)
at /home/pi/node_modules/bluebird/js/release/generators.js:201:15
at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/electron-rebuild/lib/cli.js:197:4)
at Module._compile (module.js:570:32)
at Object.Module._extensions…js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.runMain (module.js:604:10)
at run (bootstrap_node.js:394:7)
at startup (bootstrap_node.js:149:9)
npm ERR! Linux 4.4.38-v7+
npm ERR! argv “/usr/bin/nodejs” “/usr/bin/npm” "install"
npm ERR! node v6.9.2
npm ERR! npm v3.10.9
npm ERR! code ELIFECYCLE
npm ERR! Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall: electron-rebuild -e ../../node_modules/electron-prebuilt
npm ERR! Exit status 255
npm ERR!
npm ERR! Failed at the Magic-Mirror-Module-PIR-Sensor@1.1.0 postinstall script ‘electron-rebuild -e …/…/node_modules/electron-prebuilt’.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the Magic-Mirror-Module-PIR-Sensor package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! electron-rebuild -e …/…/node_modules/electron-prebuilt
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs Magic-Mirror-Module-PIR-Sensor
npm ERR! Or if that isn’t available, you can get their info via:
npm ERR! npm owner ls Magic-Mirror-Module-PIR-Sensor
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /home/pi/MagicMirror/modules/MMM-PIR-Sensor/npm-debug.logv

                  Any idea what could cause this? I suspect my white screen is because the install failed.

                  I have tried removing the “MMM-PIR-Folder” from my directory and running the clone command from github again to start fresh, but still face this issue.

                  Note from admin: Please use Markdown on code snippets for easier reading!

                  1 Reply Last reply Reply Quote 0
                  • B
                    bungee09
                    last edited by

                    Similar problem to @Them-Russians when running npm install. Then after starting MM using pm2 I get a white screen. Checking the pm2 error logs I see the following error with a module version mismatch: “Expected 50, got 49”.

                     0|mm       | App threw an error during load
 0|mm       | Error: Module version mismatch. Expected 50, got 49.
 0|mm       |     at Error (native)
 0|mm       |     at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:173:20)
 0|mm       |     at Object.Module._extensions..node (module.js:583:18)
 0|mm       |     at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:173:20)
 0|mm       |     at Module.load (module.js:473:32)
 0|mm       |     at tryModuleLoad (module.js:432:12)
 0|mm       |     at Function.Module._load (module.js:424:3)
 0|mm       |     at Module.require (module.js:483:17)
 0|mm       |     at require (internal/module.js:20:19)
 0|mm       |     at bindings (/home/pi/MagicMirror/modules/MMM-PIR-Sensor/node_modules/bindings/bindings.js:76:44)

                    Tried @James solution using npm rebuild but changed the version parameter to 50. Still no luck.

                      npm rebuild --runtime=electron --target=1.3.4 --disturl=https://atom.io/download/atom-shell --abi=50

                    Any help would be much appreciated before I reformat my sd card and start from scratch.

                    yawnsY 1 Reply Last reply Reply Quote 0
                    • yawnsY
                      yawns Moderator @bungee09
                      last edited by

                      @bungee09
                      npm list and look for electron to find the right version. Then rerun the rebuild command with replaced version number

                      B 1 Reply Last reply Reply Quote 0
                      • B
                        bungee09 @yawns
                        last edited by

                        @yawns
                        Works a treat. Thanks!

                        T 1 Reply Last reply Reply Quote 0
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