Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. GL_RENDERER = GeForce 9600 GT/PCIe/SSE2 GL_VERSION = 3.3.0 NVIDIA 340.107 GL_VENDOR = NVIDIA Corporation VisualID 39, 0x27 303 frames in 5.0 seconds = 60.536 FPS 301 frames in 5.0 seconds = 60.002 FPS 301 frames in 5.0 seconds = 60.003 FPS xwininfo: Window id: 0x6c00002 "glxgears" Absolute upper-left X: 6 Absolute upper-left Y: 23 Relative upper-left X: 0 Relative upper-left Y: 0 Width: 300 Height: 300 Depth: 24 Visual: 0x27 Visual Class: TrueColor Border width: 0 Class: InputOutput Colormap: 0x6c00001 (installed) Bit Gravity State: ForgetGravity Window Gravity State: NorthWestGravity Backing Store State: NotUseful Save Under State: no Map State: IsViewable Override Redirect State: no Corners: +6+23 -1294+23 -1294-577 +6-577 -geometry 300x300+0+0