This is a request for Kivy screenmanager correction to the Mesa/VC4 drivers that are generating glGetError 0x505 until it crashes the app due to memory leaks. The test app on the page below is a generic test used on other Linux distros to confirm operational.
https://gist.github.com/frankgould/4e21 ... e478d652f2
Results: https://gist.github.com/frankgould/991f ... bf4151c652
More information can be referenced from the Raspbian link below:
https://www.raspberrypi.org/forums/view ... 6&t=216804
Please advise with any additional questions or requests.