I’ve now added a cron job to restart every sunday…

I have experienced this problem for several months now and tried every hint I got from the forum. Nothing helped. After setting up the Raspberry from scratch with the new Version 2.6.0 the problem still exists. I checked the logs and got this from kernel.log:

Jan  6 19:06:04 MagicMirror kernel: [421204.079652] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan  7 14:46:41 MagicMirror kernel: [492041.343276] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan  8 07:00:54 MagicMirror kernel: [550494.589589] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan  8 15:35:51 MagicMirror kernel: [581391.726824] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan  9 10:45:05 MagicMirror kernel: [650346.316032] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan 10 15:22:19 MagicMirror kernel: [753380.953024] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan 12 05:15:03 MagicMirror kernel: [889746.479924] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760
Jan 12 21:06:09 MagicMirror kernel: [946812.909084] Unhandled prefetch abort: breakpoint debug exception (0x002) at 0x01bfc760

It looks to me like a bug in MagicMirror. Should I make a bug report with the log?

https://github.com/MichMich/MMM-WatchDog

@striiker said in Magic Mirror Blanks Several Hours:

When I experience this condition, I see no slowness while connected to ssh.

That makes me think it’s an electron problem. If you have no slowness during an SSH session, I would try the pm2 command above and see if something is kicking out error messages. Likewise, try the top command and see what your processor utilization level is, plus see if something is taking up an inordinate amount of resources.

Same here as well. Would love to hear if anyone got this one sorted.

@striiker Could it be the screensaver? Have you tried updating to 2.5.0 or downgrading to 2.3.x? I am pretty sure I didn’t have the problem with 2.3. In my case it’s enough to reload the MM only once a day. Also I had noticed that my Pi was reeeeeeeaaaaaaallllllyyyyyyy slow when connecting via shh after the screen blanked. Slow to the point I thought it crashed. Pretty sure it was a memory leak or so.

I haven’t updated to 2.5 yet as I want to wait and see what problems other users experience :face_with_stuck-out_tongue_winking_eye:

Well, I have disabled the screensaver via config settings as advised by several of the tutorials for setting up the mirror. Plus, if it were blanking or a screensaver, it would wake when I move the mouse or type. When I try to type etc, nothing shows, just the black screen. Ctrl-R or CTRL-Q works.
I am on the latest (2.5) and have not tried downgrading. I assume that would require a full wipe and re-install but may be worth trying… When I experience this condition, I see no slowness while connected to ssh. I’m sure this is some odd leak which crashes some aspect of whatever displays the modules over time. I’m just surprised that nobody else (in any significant number) is experiencing this. It happens with a new everything… (Pi3B, latest firmware and latest mirror version)

I haven’t updated to 2.5 yet as I want to wait and see what problems other users experience :face_with_stuck-out_tongue_winking_eye:

@madscientist It was always black - if I don’t run with sudo it quits almost immediately. I’m not sure exactly what the issue was, but I went ahead and restored a backup from 2.4.1 and it’s working fine now (removed the update alert on the top bar).

If you need to run this as sudo then your installation probably has root as the owner of the files. A simple way to check this is log in as pi and type cd ~ and then ls -al you should see the list of files and directories and a column of pi pi (shows owner and group membership of the file or directory). If you see a lot of root root then you ran something which changed ownership of these files and directories…

ls -al
total 221604
drwxr-xr-x  17 pi pi      4096 Oct 10 16:00 .
drwxr-xr-x  27 pi pi      4096 Oct 10 10:33 ..
-rw-r--r--   1 pi pi     24164 Oct  8 18:56 CHANGELOG.md
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 clientonly
drwxr-xr-x   2 pi pi      4096 Oct  8 19:00 config
-rw-------   1 pi pi 498610176 Oct 10 16:00 core
drwxr-xr-x   3 pi pi      4096 Oct  8 19:16 css
-rw-r--r--   1 pi pi       856 Oct  8 18:56 dangerfile.js
-rw-r--r--   1 pi pi       132 Oct  8 18:56 .eslintignore
-rw-r--r--   1 pi pi       448 Oct  8 18:56 .eslintrc.json
drwxr-xr-x   3 pi pi      4096 Oct  8 19:00 fonts
drwxr-xr-x   8 pi pi      4096 Oct 10 10:33 .git
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 .github
-rw-r--r--   1 pi pi      1074 Oct  8 18:56 .gitignore
-rw-r--r--   1 pi pi      2385 Oct  8 18:56 Gruntfile.js
-rw-r--r--   1 pi pi      2675 Oct  8 18:56 index.html
drwxr-xr-x   3 pi pi      4096 Oct  8 18:56 installers
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 js
-rw-r--r--   1 pi pi       271 Oct  8 18:56 jsconfig.json
-rw-r--r--   1 pi pi      1118 Oct  8 18:56 LICENSE.md
drwxr-xr-x   4 pi pi      4096 Oct  8 18:56 modules
-rw-r--r--   1 pi pi      1040 Oct  8 18:56 module-types.ts
drwxr-xr-x 642 pi pi     20480 Oct  8 19:00 node_modules
-rw-r--r--   1 pi pi      2195 Oct  8 18:56 package.json
-rw-r--r--   1 pi pi    271341 Oct  8 19:00 package-lock.json
-rw-r--r--   1 pi pi     14450 Oct  8 18:56 README.md
-rw-r--r--   1 pi pi       142 Oct  8 18:56 run-start.sh
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 serveronly
-rw-r--r--   1 pi pi       478 Oct  8 18:56 .snyk
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 splashscreen
-rw-r--r--   1 pi pi       126 Oct  8 18:56 .stylelintrc
drwxr-xr-x   6 pi pi      4096 Oct  8 18:56 tests
drwxr-xr-x   2 pi pi      4096 Oct  8 18:56 translations
-rw-r--r--   1 pi pi       285 Oct  8 18:56 .travis.yml
drwxr-xr-x   3 pi pi      4096 Oct  8 19:00 vendor

If you have a permissions issue, you can fix it easily by typing:

sudo chown -R pi:pi /home/pi

This will change owner and group membership to pi

Thoughts?

/* Magic Mirror Config Sample
*
* By Michael Teeuw http://michaelteeuw.nl
* MIT Licensed.
*/
var config = {
	"port": 8080,
	"language": "en",
	"timeFormat": 24,
	"units": "imperial",
	"modules": [
		{
			"module": "alert"
		},
		{
			"module": "clock",
			"position": "top_left"
		},
		{
			"module": "calendar",
			"header": "Calendar",
			"position": "top_left",
			"config": {
				"calendars": [
					{
						"symbol": "calendar-check-o ",
						"url": "webcal://www.calendarlabs.com/templates/ical/US-Holidays.ics",
						"color": "#FFFFFF"
					},
					{
						"symbol": "calendar ",
						"url": "https://eleted",
						"color": "#04f448",
						"fetchInterval": 30000
					},
					{
                                                "symbol": "birthday-cake ",
                                                "url": "https://deleted                              "color": "#DA70D6",
                                                "fetchInterval": 30000
					},
				],
				"colored": true,
				timeFormat: "absolute",	
				showEnd: false,
				fullDayEventDateFormat: 'Do MMM',
			}
		},
		{
			"module": "compliments",
			"position": "lower_third"
		},
		{
			"module": "currentweather",
			"position": "top_right",
			"config": {
				"location": "deleted",
				"locationID": "deleted",
				"appid": "deleted
			}
		},
		{
			"module": "weatherforecast",
			"header": "Weather Forecast",
			"position": "top_right",
			"config": {
				"location": "deleted",
				"locationID": "deleted",
				"appid": "deleted",
				"colored": "true"
			}
		},
		{
			"module": "newsfeed",
			"position": "bottom_bar",
			"config": {
				"feeds": [
					{
						"title": "New York Times",
						"url": "http://www.nytimes.com/services/xml/rss/nyt/HomePage.xml"
					},
					{
						"title": "BBC World News",
						"url": "http://feeds.bbci.co.uk/news/world/us_and_canada/rss.xml"
					},
					{
						"title": "Reuters Science News",
						"url": "http://feeds.reuters.com/reuters/scienceNews"
					},
				],
				"showSourceTitle": true,
				"showPublishDate": true
			}
		},
		{
			"module": "MMM-Admin-Interface"
		}
	],
	"address": "0.0.0.0",
	"ipWhitelist": [
		"127.0.0.1",
		"::ffff:127.0.0.1",
		"::1",
		"deleted"
	]
};
/*************** DO NOT EDIT THE LINE BELOW ***************/ 
if (typeof module !== 'undefined') {module.exports = config;}

pi@raspberrypi:~/MagicMirror $ sudo git pull && npm install
Already up-to-date.
npm WARN checkPermissions Missing write access to /home/pi/MagicMirror/node_modules/socket.io-parser/node_modules
npm WARN grunt-stylelint@0.10.1 requires a peer of stylelint@^9.0.0 but none is installed. You must install peer dependencies yourself.

npm ERR! path /home/pi/MagicMirror/node_modules/socket.io-parser/node_modules
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access ‘/home/pi/MagicMirror/node_modules/socket.io-parser/node_modules’
npm ERR! { Error: EACCES: permission denied, access ‘/home/pi/MagicMirror/node_modules/socket.io-parser/node_modules’
npm ERR! stack: ‘Error: EACCES: permission denied, access '/home/pi/MagicMirror/node_modules/socket.io-parser/node_modules'’,
npm ERR! errno: -13,
npm ERR! code: ‘EACCES’,
npm ERR! syscall: ‘access’,
npm ERR! path: ‘/home/pi/MagicMirror/node_modules/socket.io-parser/node_modules’ }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:
npm ERR! /home/pi/.npm/_logs/2018-10-09T16_49_46_380Z-debug.log

AND if I try to update npm itself, a different error appears:

pi@raspberrypi:~/MagicMirror $ sudo npm update
npm WARN grunt-stylelint@0.10.1 requires a peer of stylelint@^9.0.0 but none is installed. You must install peer dependencies yourself.

npm ERR! path /home/pi/MagicMirror/node_modules/source-map/build/suffix-utils.jsm
npm ERR! code Unknown system error -117
npm ERR! errno -117
npm ERR! syscall unlink
npm ERR! Unknown system error -117: Unknown system error -117, unlink ‘/home/pi/MagicMirror/node_modules/source-map/build/suffix-utils.jsm’

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2018-10-09T16_54_00_820Z-debug.log

Any help??

pi@pi:~/MagicMirror $ npm update

phantomjs-prebuilt@2.1.16 install /home/pi/MagicMirror/node_modules/phantomjs-prebuilt
node install.js

PhantomJS not found on PATH
Unexpected platform or architecture: linux/arm
It seems there is no binary available for your platform/architecture
Try to install PhantomJS globally
npm WARN grunt-yamllint@0.3.0 requires a peer of grunt@>=1.0.1 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: phantomjs-prebuilt@2.1.16 (node_modules/phantomjs-prebuilt):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: phantomjs-prebuilt@2.1.16 install: node install.js
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

• moment@2.22.2
• iconv-lite@0.4.24
• walk@2.3.14
  added 5 packages from 11 contributors and audited 2316 packages in 40.649s
  found 5 low severity vulnerabilities
  run npm audit fix to fix them, or npm audit for details

phantomjs-prebuilt@2.1.16 install /home/pi/MagicMirror/node_modules/phantomjs-prebuilt
node install.js

PhantomJS not found on PATH
Unexpected platform or architecture: linux/arm
It seems there is no binary available for your platform/architecture
Try to install PhantomJS globally

electron-chromedriver@1.8.0 install /home/pi/MagicMirror/node_modules/electron-chromedriver
node ./download-chromedriver.js

successfully dowloaded and extracted!
npm WARN grunt-yamllint@0.3.0 requires a peer of grunt@>=1.0.1 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: phantomjs-prebuilt@2.1.16 (node_modules/phantomjs-prebuilt):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: phantomjs-prebuilt@2.1.16 install: node install.js
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

• spectron@3.8.0
  removed 4 packages, updated 2 packages and audited 2311 packages in 42.884s
  found 5 low severity vulnerabilities

@striiker is this version 2.4.1?

The update module was throwing an error causing the black screen.

I would comment out that module

I’m in the same boat as @MadScientist in that my module rotation still dies necessitating a restart of the modules. Canceling the update check did improve the situation in that it apparently does not crash out as often.

@sdetweil
That didn’t help in my case, hence the work-around with the cronjob. But it’s true that everybody should first try to disable the update module in their config.

I was unaware of the suggestion to kill the update module. I have removed it from my config and will monitor the status. Thank you for the suggestion (and @sdetweil )! Any other best practice suggestions which I should consider? I have just done the base install and modified weather icons / details and also installed Alexapi (yet to work on that module as I am still trying to understand if I should also install either MMM-Alexa or MMM-Awesome-Alexa too as I am not clear on how these all work).

@striiker is this version 2.4.1?

The update module was throwing an error causing the black screen.

I would comment out that module

I am at the latest build (2.5.0) although I installed Magic Mirror from the previous version and have the update module running.