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Neobuntu
September 15th, 2009, 02:35 PM
I finally FREAKIN' found this and it fixes direct rendering on Jaunty 9.04 and with my MX420.
01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 MX 420] (rev a3)



1) Work around for Nvidia non-root permissions bug in Ubuntu 9.04(Jaunty)

Bug Details

The permissions of the /dev/nvidia files cause errors when processes are launched with non-root privileges on my 64-bit 9.04 desktop system. Addendum: ...and my 32bit.

Workaround

Edit /etc/rc.local file from your terminal

gksudo gedit /etc/rc.local

OR (for Kubuntu)

sudo kate /etc/rc.local
(Note: I know, it's supposed to be "kdesu" but apparently "kdesu" doesn't work work here; "sudo" does.)

Add the following before “exit 0″:

chmod 666 /dev/nvidia* &
exit 0


Save and exit the file

Neobuntu
September 17th, 2009, 01:45 PM
Hell, I don't know. I only get direct rendering with
sudo glxinfo | grep direct and not just "glxinfo | grep direct".

Desktop effects are not working. ????