Can't load module

When doing 'modprobe usbvnetr' I get the following:

/lib/modules/2.4.20-gentoo-r5/kernel/drivers/usb/usbvnetr.o: unresolved symbol
_mmx_memcpy

/lib/modules/2.4.20-gentoo-r5/kernel/drivers/usb/usbvnetr.o: insmod
/lib/modules/2.4.20-gentoo-r5/kernel/drivers/usb/usbvnetr.o failed

/lib/modules/2.4.20-gentoo-r5/kernel/drivers/usb/usbvnetr.o: insmod usbvnetr
failed

This happened out of no where.. It was working fine, then I plug it in one day
and it gives me this. I've tried recompiling the kernel, recompiling the
drivers, and even getting new drivers. I still get the same error. I was
getting before an error of a "Clock skew". I think this may have to do with it,
but it's gone away now.

Any help is greatly appreciated!

-Jason

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