Yes it is confirmed that it is Open GL fault if you follow Raspberry Pi configuration changes here: Configuring the Raspberry Pi the real driver does not work at all the display just stays black …
and with the fake driver option magic mirror will run on server mode only .
If you take out the Open GL driver the mirror will run as it is supposed to but you will see a spike in cpu usage from around 20% with the fake kms driver to over 75% with the regular Rpi driver.
How do we solve this and has anyone else had this issue other than me and @lavolp3 ??
Thank you
Denis