glxspheres64 is using 100% of the CPU. callgrind shows all of this is spent in:
100% intelBitmap |- 100% _swrast_Bitmap |- 50% intelSpanRenderStart |- 50% intelSpanRenderFinish I'm a bit worried about "_swrast_Bitmap". Sounds like it's rendering in software for some reason. Although glxspheres64 says: Polygons in scene: 62464 Visual ID of window: 0x99 Context is Direct OpenGL Renderer: Mesa DRI Intel(R) Sandybridge Desktop 3.464074 frames/sec - 3.865907 Mpixels/sec -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/944627 Title: glxspheres runs very slowly in Precise (only 2-3 FPS) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/944627/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp