I can reproduce this on a HP 6910p Intel 965 with Ubuntu 14.04. Workaround for me is to use UXA acceleration method instead of SNA.
Create /usr/share/X11/xorg.conf.d/20-intel.conf and add:
Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "uxa" EndSection
I can reproduce this on a HP 6910p Intel 965 with Ubuntu 14.04. Workaround for me is to use UXA acceleration method instead of SNA.
Create /usr/share/ X11/xorg. conf.d/ 20-intel. conf and add:
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "uxa"
EndSection