Read the statement by Michael Teeuw here.
Black screen after MM v2.4.0 update.
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Anyone else struggling with using MMM-Pir-Sensor after the new update?
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Yes, I am having the same black screen. I have to disable PIR to be able to use MM at all. I also noted that after I installed PIR I could no longer SSH into the Pi from my desktop computer, whereas I could from my mobile phone. Anyway, the black screen is the main concern right now. I’ll post if I discover anything helpful.
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Not sure if I’m having the same issue, stupidly updated electron as npm was claiming 1.7.13 had a critical vulnerability (after installing MMM-voice) Then got the backscreen issue. rolled back electron to 1.7.13 & the issue persists.
Node v9.11.1
npm 6.1.0Thought I’d uploaded the log file but not sure if others can see it. That snippet below is the first error after ALL_MODULES_STARTED
13:01:19.440 main.js:40 Uncaught TypeError: Cannot read property ‘appendChild’ of undefined
at main.js:40
at Array.forEach ()
at createDomObjects (main.js:24)
at Object.modulesStarted (main.js:471)
at startModules (loader.js:59)
at loader.js:40
at HTMLLinkElement.stylesheet.onload (loader.js:203)
(anonymous) @ main.js:40
createDomObjects @ main.js:24
modulesStarted @ main.js:471
startModules @ loader.js:59
(anonymous) @ loader.js:40
stylesheet.onload @ loader.js:20313:01:20.056 TypeError: Cannot read property ‘getElementsByClassName’ of null
at moduleNeedsUpdate (main.js:176)
at main.js:144
at Promise ()
at updateDomWithContent (main.js:137)
at main.js:119
at
Promise rejected (async)
(anonymous) @ main.js:121
Promise resolved (async)
(anonymous) @ main.js:118
updateDom @ main.js:109
updateDom @ main.js:514
updateDom @ module.js:358Any pointers as to how to get it working again? It was working perfectly before MMM-voice & buggering around with electron.
Tried a fresh install with the same result :( -
I’m also having the black screen of death. I tried both overlay options, and I tried commenting it out alltogether. I also ran the 2.4.1 update, but still getting black screen. Runs normally with the new update though when I comment out the PIR module in the config.js file.
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@shane1234 if u have the PIR module loaded, and do ctrl-shift-i (lower case letter i), it will open the debug env, and then select the console tab… do you see any errors?
also, if u start from a terminal window, alt-spacebar, n will minimze the mirror screen so you can see the terminal window node_helper outputs… anything there?
usually a module.js error kills with MM screen…
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Mine after upgrade it’s freezing when trying to run magicmirror. Also try both kms driver and fake kms driver.
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mine is also freezing after the update.
No difference if i connect via vnc or using the monitor.The only thing that does work, is opening the mirror in another browser (http://magicmirror:8080)
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Is there a different way to turn the screen on/off with the fake kms driver maybe? :s
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@kimzer replying to myself. I just had to chmod the new pir script i made to make it work duhhh. :p
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@joela85
Are you using MMM-PIR-Sensor?
https://github.com/paviro/MMM-PIR-Sensor/issues/49I needed to delete the node_modules directory first. Then I ran npm install and the issue was gone.
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@bwente
I’m not currently using MMM-PIR-Sensor.
My problem was Enabling the Open GL driver. Using “dtoverlay=vc4-kms-v3d” or “dtoverlay=vc4-fkms-v3d” did not work. Remove the line and it was fine. (Temps seem reasonable 62deg)"Enable the Open GL driver to decrease Electron’s CPU usage.
The latest versions of electron use an extreme amount of CPU power when no Open GL driver is loaded. This will result in an overheating Raspberry Pi. To solve this issue, use the experimental desktop Open GL driver by adding the following line to /boot/config.txt:sudo nano /boot/config.txt
Add the following line:dtoverlay=vc4-kms-v3d
ℹ️ Activating the Open GL drive can also be accomplished by using the raspi-config tool by running sudo raspi-config. Go to the Advanced Options menu and select A7 GL Driver. Next, select the G1 GL (Full KMS) OpenGL desktop driver with full KMS. Note that this option will be selected in the menu even when the GL drive is not yet configured."Not sure what the issue is. But at least it works.
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Ok, I cheated a little bit and completly wiped my SD card. Reinstalled Raspian, Magic Mirror and everything else from scratch, working great now!
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I got mine working by following the advice in the second post on this thread:
https://github.com/paviro/MMM-PIR-Sensor/issues/39
Hope that helps others too.
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@joela85 - I found that if you pull the SD card and plug it into a windows box, you can access the
/bootpath. That will allow you to edit the/boot/config.txtfile and comment out thedtoverlayline. Edit in WordPad. Do not edit in Notepad.Save the file, eject the SD card, put it back into your Pi. You should be able to SSH into your Pi once it boots.
I haven’t tried this procedure using an Ubuntu box, but it most likely will work.
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@bhepler Ye, I had a play around last week and managed to do just this. All back up and running now.
Thank you for the reply though.Regards,
Joel
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