Fala rapazeada, dica rápida, de última hora, tava com os drivers da nvidia fincionando normalmente, mas tive que que recompilar o kernel.

O primeiro programa que precisou acessar a placa, *POUTZ*, perdi o acesso aos dispositivos:

NVIDIA: could not open the device file /dev/nvidiactl (Permission denied).
NVIDIA: Direct rendering failed; attempting indirect rendering.
X Error of failed request: GLXBadContext
Major opcode of failed request: 144 (GLX)
Minor opcode of failed request: 5 (X_GLXMakeCurrent)
Serial number of failed request: 1226
Current serial number in output stream: 1226

pra resolver é bem simples, basta atribuir as permissões novamente:

chmod 0666 /dev/nvidia* && chown root /dev/nvidia*

até…

Instalando os drivers da nvidia :

developer adler # emerge nvidia-drivers

o problema:

>>> Source compiled.
————————— ACCESS VIOLATION SUMMARY —————————
LOG FILE = “/var/log/sandbox/sandbox-x11-drivers_-_nvidia-drivers-1.0.9755-r1-12835.log”

open_wr: /usr/src/linux-2.6.21-gentoo-r1/-.gcda
open_wr: /usr/src/linux-2.6.21-gentoo-r1/-.gcda
——————————————————————————–

a solução:

FEATURES=”-sandbox” emerge nvidia-drivers

até +