"GMA 500 support on Linux is not optimal. The driver is developed by Tungsten Graphics, not by Intel, and the graphic core is not an Intel one, but is licensed from PowerVR. This has led to an uncertain mix of open and closed source 3d accelerated drivers, instability and lack of support."
Read the rest of the section, it gives some hope that the support has improved since 2008.
http://en.wikipedia.org/wiki/Intel_GMA#GMA_500_on_Linux
"GMA 500 support on Linux is not optimal. The driver is developed by Tungsten Graphics, not by Intel, and the graphic core is not an Intel one, but is licensed from PowerVR. This has led to an uncertain mix of open and closed source 3d accelerated drivers, instability and lack of support."
Read the rest of the section, it gives some hope that the support has improved since 2008.