Dear all, sorry for this. After some break'n'fix-ing it's clear that it's not the kernel's fault, but wrong specified package dependencies of bumblebee-nvidia.
The fix for this situation is to install nvidia-driver-libs-nonglvnd replacing some of the nvidia-libgl-stuff (to be able to boot your system) and primus to replace the gl-backend for optimus (to be able to use optirun). Please move this bug to bumblebee-nvidia package maintainers if possible. Thanks! Kind regards, Alex
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