I'm running the Radeon drivers on a Sapphire 6950 2GB dirt 3 ed. card and my Xorg.0.log is filling up with notices:

Name        : xorg-x11-drv-ati
Arch        : x86_64
Version     : 6.14.4
Release     : 6.20120602git930760942.fc17
Size        : 1.1 M
Repo        : installed
From repo   : anaconda-0
Summary     : Xorg X11 ati video driver
URL         : http://www.x.org
License     : MIT
Description : X.Org X11 ati video driver.


[  4532.048] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x28345b0] width 1280 pitch 5120 (/4 1280)
[  4568.777] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x3929ed0]
[  4568.802] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x3929ed0] width 1280 pitch 5120 (/4 1280)
[  4568.877] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x38ba8c0]
[  4568.885] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x38ba8c0] width 1280 pitch 5120 (/4 1280)
[  4574.521] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x2904990]
[  4574.549] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x2904990] width 1280 pitch 5120 (/4 1280)
[  4577.475] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x39e71a0]
[  4577.483] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x39e71a0] width 1280 pitch 5120 (/4 1280)
[  4577.529] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x283c620]
[  4577.532] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x283c620] width 1280 pitch 5120 (/4 1280)
[  4577.556] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x283c620]
[  4577.565] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x283c620] width 1280 pitch 5120 (/4 1280)
[  4577.626] (II) RADEON(0): radeon_dri2_schedule_flip:665 fevent[0x282c910]
[  4577.631] (II) RADEON(0): radeon_dri2_flip_event_handler:1069 fevent[0x282c910] width 1280 pitch 5120 (/4 1280)