Did you test with comment 21?
How about if you use the following xorg.conf snippet?
Section "Device" Identifier "Intel" Driver "intel" Option "AccelMethod" "blt" EndSection
Did you test with comment 21?
How about if you use the following xorg.conf snippet?
Section "Device"
Identifier "Intel"
Driver "intel"
Option "AccelMethod" "blt"
EndSection