Comment 32 for bug 771788

Same problem with a fresh Ubuntu 11.04 install and GeForce 7600 GT.

glxgears: Frame Rate is above 8000, but actual observable frame rate is about 0.5-1 (veeerrryyy slow).

uname output: Linux MY_NAME 2.6.38-8-generic-pae #42-Ubuntu SMP Mon Apr 11 05:17:09 UTC 2011 i686 athlon i386 GNU/Linux

lspci output: 06:00.0 VGA compatible controller: nVidia Corporation G73 [GeForce 7600 GT] (rev a1)

unity_support_test output:
$ /usr/lib/nux/unity_support_test -p
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 7600 GT/PCI/SSE2/3DNOW!
OpenGL version string: 2.1.2 NVIDIA 173.14.30

Not software rendered: yes
Not blacklisted: yes
GLX fbconfig: yes
GLX texture from pixmap: yes
GL npot or rect textures: yes
GL vertex program: yes
GL fragment program: yes
GL vertex buffer object: yes
GL framebuffer object: yes
GL version is 1.4+: yes

Unity supported: yes