Comment 30 for bug 224404

My /etc/rc.local is below ... for what it's worth ... it's unlikely to be of any use to anyone unless they have exactly the same machine, memory size & gfx card. A better general discussion on how to 'fix' the mtrr is available at:

http://www.rage3d.com/board/showthread.php?t=33821469

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echo "disable=0" >| /proc/mtrr
echo "disable=2" >| /proc/mtrr

echo "base=0x00000000 size=0x80000000 type=write-back" >| /proc/mtrr
echo "base=0x80000000 size=0x40000000 type=write-back" >| /proc/mtrr
echo "base=0xC0000000 size=0x10000000 type=write-back" >| /proc/mtrr
echo "base=0xD0000000 size=0x10000000 type=write-combining" >| /proc/mtrr
echo "base=0x100000000 size=0x40000000 type=write-back" >| /proc/mtrr

my original mtrr is listed in a post above if you want to check what the disable commands are changing.