sabayonx86 sabayonuser # emerge -pv nvidia-drivers

These are the packages that would be merged, in order:

Calculating dependencies /
!!! All ebuilds that could satisfy "nvidia-drivers" have been masked.
!!! One of the following masked packages is required to complete your request:
- x11-drivers/nvidia-drivers-1.0.9631-r1 (masked by: package.mask)
/etc/portage/package.mask:
#=media-sound/jack-audio-connection-kit-0.102.20

- x11-drivers/nvidia-drivers-1.0.8776-r1 (masked by: package.mask)
- x11-drivers/nvidia-drivers-100.14.11-r11 (masked by: package.mask)
- x11-drivers/nvidia-drivers-100.14.11-r10 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9626-r99 (masked by: package.mask)
- x11-drivers/nvidia-drivers-100.14.09-r10 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9631-r92 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9639-r90 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9746-r90 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9755-r10 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9746-r1 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9742-r90 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9631-r90 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9631-r91 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9755-r1 (masked by: package.mask)
- x11-drivers/nvidia-drivers-1.0.9629-r90 (masked by: package.mask)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.