Unity only starts with Compiz --replace

[Xilmwa]

I have a rather odd problem. Ubuntu 11.04 came installed with the nvidia 173 drivers, which I replaced with the current ones. Neither loaded Unity, so I downloaded Nvidia's 270.41.06 drivers from their website. Still no unity.

If I run compiz --replace, however, compiz works fine, and Unity loads, albeit extremely buggy, most likely because all of the gnome components are still running (e.g., if I click anywhere on the top panel, it goes away).

Any ideas what could be causing this?

[Linux_junkie]

Best going to launchpad and report the bug if no one else has reported it.

[Xilmwa]

One more thing:


xilmwa@xilmwa:~$ /usr/lib/nux/unity_support_test -p
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 8400 GS/PCI/SSE2
OpenGL version string: 3.3.0 NVIDIA 270.41.06

Not software rendered: yes
Not blacklisted: no
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: no
What does it mean where it says Not blacklisted: no?

EDIT: apparently, there is a blacklist, and the nVidia 8400GS is on it. To get around this, follow the first post here: http://askubuntu.com/questions/37629/geforce-go-7300-7400-blacklisted-can-i-still-run-unity

[Hedgehog1]

If that does not solve it, here is one more option to try-

Please do a <ctrl> + <alt> + t to get the terminal.

From the terminal, please do this to reset your Unity to a functional state (factory defaults):


unity --reset

There will be some error messages - ignore them please.

Logout <ctrl> + <alt> + <Delete> and reboot...

The Hedge

:KS