Bug#1005359:
The Option "UseGammaLUT" "false" workaround mentioned here fixes the blank screen issue on current bookworm.
Bug#1005359:
I think I've hit this same bug on another Intel graphics chip: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 36)" The system worked with bullseye, but does not work with the current state of bookworm (blank screen after X startup, system