Phoronix: Some Distributions Still Live In A KMS-Less World

One of the most commonly mentioned terms at Phoronix is KMS, as in kernel mode-setting, whereby the GPU mode-setting is done in kernel-space rather than user-space with an X.Org DDX driver. The major open-source drivers were quick to adopt KMS support in their DRM drivers since it allows for cool features like a cleaner boot process, faster and more reliable VT switching, more reliable suspend-and-resume, greater security by running the X Server as a normal user, the ability to have a Linux kernel panic message (like a Windows BSOD), and for new technologies like the Wayland Display Server to emerge. However, not all Linux distributions are yet on this KMS bandwagon...

http://www.phoronix.com/vr.php?view=OTI1MQ