4G内存下Linux Mtrr表不正确的解决方法

这个会导致nvidia的驱动不能加速2d,解决方案一般就是重写mtrr表 。
【4G内存下Linux Mtrr表不正确的解决方法】echo “disable=2″ >| /proc/mtrr
echo “disable=1″ >| /proc/mtrr
echo “disable=3″ >| /proc/mtrr
echo “disable=4″ >| /proc/mtrr
echo “disable=0″ >| /proc/mtrr
echo “base=0?0000000 size=0?0000000 type=write-back >| /proc/mtrr
echo “base=0?0000000 size=0?0000000 type=write-back >| /proc/mtrr
echo “base=0xC0000000 size=0?0000000 type=write-back >| /proc/mtrr
echo “base=0?00000000 size=0?0000000 type=write-back >| /proc/mtrr
echo “base=0?20000000 size=0?0000000 type=write-back >| /proc/mtrr

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