>=media-fonts/liberation-fonts-2.00.0

# 310M Optimus: Couldn't load the driver module: 310M GPU not supported and no other info
>=x11-drivers/nvidia-drivers-343

# 310M Optimus BUG: unable to handle kernel NULL pointer dereference at (null)
~x11-drivers/nvidia-drivers-340.76

# Temporary masking higher slots for successful upgrading
app-text/poppler:0/52
>=media-libs/libvpx-1.4