A simple thing to test would be
echo > /etc/X11/xorg.conf.d/intel.conf <<EOF Section "Device" Identifier "Device0" Driver "intel" Option "TripleBuffer" "false" EndSection EOF
and see if the hangs still occur.
A simple thing to test would be
echo > /etc/X11/ xorg.conf. d/intel. conf <<EOF
Section "Device"
Identifier "Device0"
Driver "intel"
Option "TripleBuffer" "false"
EndSection
EOF
and see if the hangs still occur.