4G內(nèi)存下LinuxMtrr表不正確的解決方法

這個(gè)會(huì)導(dǎo)致nvidia的驅(qū)動(dòng)不能加速2d，解決方案一般就是重寫mtrr表。
    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=0×00000000 size=0×80000000 type=write-back” >| /proc/mtrr
    echo “base=0×80000000 size=0×40000000 type=write-back” >| /proc/mtrr
    echo “base=0xC0000000 size=0×10000000 type=write-back” >| /proc/mtrr
    echo “base=0×100000000 size=0×20000000 type=write-back” >| /proc/mtrr
    echo “base=0×120000000 size=0×10000000 type=write-back” >| /proc/mtrr