same thing its been happening to me for at least 3 weeks
[ 281.810] (EE) NVIDIA(0): Failed to initialize the GLX module; please check in your X [ 281.810] (EE) NVIDIA(0): log file that the GLX module has been loaded in your X [ 281.810] (EE) NVIDIA(0): server, and that the module is the NVIDIA GLX module. If [ 281.810] (EE) NVIDIA(0): you continue to encounter problems, Please try [ 281.810] (EE) NVIDIA(0): reinstalling the NVIDIA driver. [ 282.222] (EE) AIGLX: reverting to software rendering I wonder if its related. System still works. The screen is lit but black I switch to tty1 and restart sddm to make it work again