View Single Post
Old 04-14-11, 11:57 AM   #1
timber
Registered User
 
Join Date: May 2008
Posts: 8
Default GTX-295 MultiGPU configuration

I have a Gentoo amd64 system with a GTX-295, and I can't get the MultiGPU option to work. This is what is in my X log file:

[ 49766.928] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[ 49766.928] (II) NVIDIA(0): Creating default Display subsection in Screen section
[ 49766.928] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[ 49766.928] (==) NVIDIA(0): RGB weight 888
[ 49766.928] (==) NVIDIA(0): Default visual is TrueColor
[ 49766.928] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[ 49766.928] (**) NVIDIA(0): Option "Coolbits" "1"
[ 49766.928] (**) NVIDIA(0): Option "MultiGPU" "1"
[ 49766.928] (**) NVIDIA(0): NVIDIA Multi-GPU auto-select rendering option.
[ 49768.321] (EE) NVIDIA(0): Failed to find a valid Multi-GPU configuration.
[ 49768.322] (EE) NVIDIA(0): Invalid Multi-GPU configuration 1 of 1:
[ 49768.322] (EE) NVIDIA(0): GPUs:
[ 49768.322] (EE) NVIDIA(0): 1) NVIDIA GPU at PCI:4:0:0
[ 49768.322] (EE) NVIDIA(0): 2) NVIDIA GPU at PCI:5:0:0
[ 49768.322] (EE) NVIDIA(0): Errors:
[ 49768.322] (EE) NVIDIA(0): - Trouble accessing PCI Config Space
[ 49768.322] (WW) NVIDIA(0): Failed to find a valid Multi-GPU configuration for the NVIDIA
[ 49768.322] (WW) NVIDIA(0): graphics device PCI:5:0:0. Please see Chapter 25:
[ 49768.322] (WW) NVIDIA(0): Configuring SLI and Multi-GPU FrameRendering in the README
[ 49768.322] (WW) NVIDIA(0): for troubleshooting suggestions.
[ 49768.322] (EE) NVIDIA(0): Only one GPU will be used for this X screen.

Any idea what would cause this? I'm at work now, but I can run nvidia-bug-report.sh when I get home and attach it if needed. Is there a kernel config option that I need set to get this to work?

Thanks,
Tim
timber is offline   Reply With Quote