This bug is probably related to Bug 23773 I have media-video/nvidia-kernel-1.0.4496 installed, I emerged it while setting ACCEPT_KEYWORDS to "~x86", my system is normally at x86 (Stable), but everytime I attempt to do an emerge -Uvp world the following line show up: [ebuild U ] media-video/nvidia-kernel-1.0.4363-r3 [1.0.4496] Suggesting this Upgrade while actually it is a downgrade.. My guess is that emerge has problem calculating which is a larger number for version.
Did you change kernels after emerging nvidia-kernel ? If yes it is a SLOT change and the kernel modules would be installed for the new kernel and it's not a downgrade for portage.
No, I did not change the kernel, infact, this update appeared a minute after I emerged media-video/nvidia-kernel-1.0.4496 .. so it is related to the fact that nvidia-kernel-1.0.4496 is "~x86" while my default system setting is "x86". and I only have one nvidia-kernel installed, so it is not a slot.
I get this too. emerge -up world yields: . . . [ebuild U ] gnome-extra/gnome-vfs-extras-0.99.10 [0.99.11] . . .
This is caused by slots.