急！为什么我不能加载agpgart呢？

Designer

/sbin/modprobe agpgart
/lib/modules/2.4.20-8/kernel/drivers/char/agp/agpgart.o: create_module: Operation not permitted
/lib/modules/2.4.20-8/kernel/drivers/char/agp/agpgart.o: insmod /lib/modules/2.4.20-8/kernel/drivers/char/agp/agpgart.o failed
/lib/modules/2.4.20-8/kernel/drivers/char/agp/agpgart.o: insmod agpgart failed