Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. GL_RENDERER = GeForce 9400 GT/PCIe/SSE2 GL_VERSION = 3.3.0 NVIDIA 340.107 GL_VENDOR = NVIDIA Corporation VisualID 39, 0x27 301 frames in 5.0 seconds = 60.161 FPS 301 frames in 5.0 seconds = 60.017 FPS 301 frames in 5.0 seconds = 60.015 FPS xwininfo: Window id: 0x2600002 "glxgears" Absolute upper-left X: 0 Absolute upper-left Y: 68 Relative upper-left X: 10 Relative upper-left Y: 45 Width: 300 Height: 300 Depth: 24 Visual: 0x27 Visual Class: TrueColor Border width: 0 Class: InputOutput Colormap: 0x2600001 (not 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: +0+68 -1060+68 -1060-400 +0-400 -geometry 300x300+-10+23