Mixed vendor gpu multiseat, libGL (openGL) problem

[Camilo Andres Gonzalez Chandia]

Hello, i have a multiseat system using two instances of X (two Server
Layouts) with evdev in kde using propietary drivers
i use two gpu a Amd Radeon HD 6450 and a Nvidia GeForce 6100
the problem is i can't load the closed source libGL implementations of each
gpu on ther X instance
i'm reading the Xorg.conf file documentation, and i found some modules like
"glx" load automatically
checking /var/log/xorg.0.log and /var/log/xorg.1.log i founded that the Amd
version of libGL is loading
in the two seats, that make some troubles on the nvidia gpu seat
i've used the "Disable "glx"" option and now the two seats works ok, but
only the Amd seat can load libGL
the nvidia seat works with no openGL support
about the documentation i found there's a option called "ModulePath", with
that i can define the path for loading modules
the problem is it is a global option,
is there a way to do something like ModulePath option for each ServerLayout?

thanks

-- 
Camilo Andres Gonzalez Chandia
Estudiante de Ingenieria en Informatica
Licenciado en Ciencias de la Ingenieria
Universidad Tecnologica Metropolitana
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