Read the statement by Michael Teeuw here.
Black screen with cursor (some days)
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Hello, I have this issue from the past.
In these months I tried a lot of things but I didn’t solve it.
I know it’s not hardware related, so I don’t know where to “bang my head”.
Raspberry is set up to start itself at 7:30.
The issue is: some days, not everydays, when it start raspberry reach the desktop but when MM is loaded the screen remain black with a white cursor in the middle.
In these months I temporary solved it in two ways:
1- refresh the page with a simple CTRL+R. It need a keyboard connected but it work flawlessly and istantly.
2- sending a “pm2 restart mm” through terminal
3- adding a delaying with export mmFetchTimeout=30000 seems helps a bit but it didn’t solve it totallyOk, it’s not a great issue but I like to make my things working without issues :)
Do you have any advices?
Honestly, I’m a little bit ignorant but to me it could be related to electron because with a simple CTRL+R it shows everything, so (to me) it seem MM is loaded correctly but electron decide to show a black screen with cursor instead of MM modules.
Do I need to maybe update electron?
I prefer not to update raspberry frequently, if it works.Is there a way to add a CTRL+R command after a delay of 10 seconds inside the mm.sh?
I think that could solve it easily.
Thanks -
@nowayto I don’t know.
You could try adding a sleep xxx (seconds)
In front of the npm start in mm.sh to let the system settled down a little.The remote control module has a refresh api url you could invoke thru curl
But, I think this may indicate the beginning of the sd card death, they are not made to handle a lot of writes. And your system is doing the worst kind, restarting every day.
Make sure you have a good backup
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@sdetweil
I tried with another sd (brand new) and keep happen so I don’t think it is hardware related.
Yes it turn off during night and it restart in the morning, this could affect the sd but I tried with a brand new one.
Yes, back it up often, thanks to your script :)I use the mmFetchTimeout=40000 before npm start but it happen.
I think the solution could be to insert after the npm start a:
sleep 30
(a command that CTRL+R the page)If a command like this exist
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@nowayto all mmFetchTimeout does is allow waiting longer in the modules mode-helpers
The black screen means the app crashed, lucky that ctrl-r works
There are Linux tools that can send keystrokes
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