I have the opposite. But not a black screen and I can go to tty.
Nvidia GTX 1070/PCIe/SSE2
On the LTS kernel 6.6.52-1-lts it stopped loading.
Error during loading, hang on ‘reached target Graphical Interface OK’.
Error in the SDDM Log start error ‘Failed to read display number from pipe’
At the same time, the Kernel is 6.11.1-arch1-1
Starts normally.
It seems that the default Kernel version is the one that broke. And it doesn’t matter what version it is.