FIXED: Compiz + nvidia GeForce 6150
Tom Evans
tevans.uk at googlemail.com
Fri May 2 17:02:59 UTC 2008
On Fri, 2008-05-02 at 09:26 -0700, Rudy wrote:
> > compiz --sm-disable --replace ccp
> > Without indirect-rendereing, the Desktop goes black, and newly
> launched windows are all black:
>
>
> DOH!
>
> I rebooted and upped the Frame Buffer from 32M to 256M in the BIOS menu.
>
>
>
> Also, I added UseEvents=false. Which fixed it? I'll never know!
> Here is the diff on the Xorg.log files
>
> # diff -u /var/log/Xorg.0.log.old /var/log/Xorg.0.log
> --- /var/log/Xorg.0.log.old 2008-05-02 09:15:16.000000000 -0700
> +++ /var/log/Xorg.0.log 2008-05-02 09:19:10.000000000 -0700
> @@ -409,6 +409,7 @@
> (**) NVIDIA(0): Option "RenderAccel" "True"
> (**) NVIDIA(0): Option "NoRenderExtension" "False"
> (**) NVIDIA(0): Option "AllowGLXWithComposite" "True"
> +(**) NVIDIA(0): Option "UseEvents" "false"
> (**) NVIDIA(0): Option "AddARGBGLXVisuals" "True"
> (**) NVIDIA(0): Option "DisableGLXRootClipping" "True"
> (**) NVIDIA(0): Option "DamageEvents" "True"
> @@ -416,7 +417,7 @@
> (II) NVIDIA(0): Support for GLX with the Damage and Composite X
> extensions is
> (II) NVIDIA(0): enabled.
> (II) NVIDIA(0): NVIDIA GPU GeForce 6150 (C51) at PCI:0:5:0 (GPU-0)
> -(--) NVIDIA(0): Memory: 262144 kBytes
> +(--) NVIDIA(0): Memory: 524288 kBytes
> (--) NVIDIA(0): VideoBIOS: 05.51.22.33.07
> (--) NVIDIA(0): Interlaced video modes are supported on this GPU
> (--) NVIDIA(0): Connected display device(s) on GeForce 6150 at PCI:0:5:0:
>
> Odd that I set it from 32M to 256M and the Xorg.log file show 256M -->
> 512M. What is up with that?
>
> Rudy
>
You probably changed AGP aperture size. I expect there is an algorithm
in the nvidia driver which calculates the 'correct' amount of VideoRam
to steal from shared memory when attaching to a shared memory graphics
card like the 6150. It is probably max(256MB, 2 * agp_aperture_size). I
could be dead wrong..
The intel driver manages shared memory in a similar way.
Tom
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