Having emerged the new masked nvidia drivers I get the following error message when I type emerge -UDuvp world. ---- These are the packages that I would merge, in order: Calculating world dependencies \ !!! all ebuilds that could satisfy "~media-video/nvidia-kernel-1.0.4349" have been masked. !!! (dependency required by "media-video/nvidia-glx-1.0.4349" [ebuild]) !!! Problem with ebuild app-cdr/arson-0.9.7-r1 !!! Possibly a DEPEND/*DEPEND problem. !!! Depgraph creation failed. ---- I have tried emerge regen and also injected stubs for the older stable versions but this error happens everytime I use the -U option. The complaint about arson in the error changes to other packages depending on what I install and uninstall. I have also tried reemerging nvidia-kernel and nvidia-glx and this does not help. Many thanks. Reproducible: Always Steps to Reproduce:
Your use of U is violating a required dependency. The mention of arson is only for helping track down the dependencies involved in the condition. You need to unmask nvidia.
How should I unmask nvidia? Do you mean /usr/portage/profiles/package.mask or some other way? Kindly elaborate a little.