Random black screens hangups/crashes - GPU driver related? (NOT SOLVED)

I have been continously struggling with instability with my Bazzite install despite multiple fresh installs, both in KDE and gnome.

A) Sometimes my system just goes black and becomes unresponsive.
B) Sometime it just hangs up during random desktop operation. Whether the screen just freezes or it too goes black.
C) Sometimes right after the BIOS bootup logo, right before or after steam os validation, the screen just stays black perpetually.

In all of these cases nothing helps but a hard shutdown...
Last boot I ran into option C and I can not for the life of me understand why this is occuring. The system is otherwise stable in my windows partition.

...whilst writing this message it even went black and my system did a sudden reboot... :dispair:

I have attached the logs for both of the mentioned boots to this message.
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