Re: [gentoo-user] Loss of performance...OpenGL?

[Volker Armin Hemmann <volkerarmin@googlemail.com>]

On Sonntag 11 Januar 2009, meino.cramer@gmx.de wrote:
> Volker Armin Hemmann <volkerarmin@googlemail.com> [09-01-11 15:15]:
> > On Sonntag 11 Januar 2009, meino.cramer@gmx.de wrote:
> > > > are you using composite? if yes, don't. Or install the latest nvidia
> > > > driver.
> > >
> > > In my initial posting I mentioned the driver, which is installed on my
> > > PC
> > >
> > > > > x11-drivers/nvidia-drivers-177.82  USE="acpi gtk -custom-cflags
> > > > > (-multilib)
> > >
> > > This is -- according to "emerge -pv..." the newest available...
> >
> > no, it is not. The latest are 180something and they solved some 2d
> > slowness issues with that driver.
> >
> > > Is it needed to switch off Composite with that version ?
> >
> > composite makes 2d very slow with drivers prior to 180. You don't have to
> > disable composite in xorg.conf. Just don't use compiz and deactivate all
> > effects in gnome/kde.
> > btw, xorg.conf would be nice to see.
>
> ...eeeh...how can I get the newest driver in a gentoo-compatible way?

look into bugzilla - I am pretty sure somebody posted an updated ebuild 
already. Download it, put it into your overlay, ebuild ...ebuild manifest and 
emerge it.

> I set
>
> x11-drivers/nvidia-drivers ~x86
>
> in /etc/package/package-keywords.
>
> Emerge reports the previously mentioned (non-180) version of the nvidia
> drivers.
>
> I attached Xorg.conf to this email.

and I cleaned it up a bit:

Section "Module"
    Load           "glx"
EndSection

Section "ServerFlags"
    Option         "AllowMouseOpenFail" "true"
EndSection

Section "InputDevice"
    Identifier     "Keyboard1"
    Driver         "kbd"
    Option         "AutoRepeat" "500 30"
# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
    Option         "LeftAlt" "Meta"
    Option         "RightAlt" "ModeShift"
    Option         "ScrollLock" "Compose"
    Option         "RightCtl" "Control"
    Option         "XkbOptions" "lv3:win_switch,ctrl:nocaps,compose:rwin"
# To customise the XKB settings to suit your keyboard, modify the
    Option         "XkbModel" "pc102"
    Option         "XkbLayout" "de"
    Option         "XkbVariant" "nodeadkeys"
EndSection

Section "InputDevice"
    Identifier     "Mouse1"
    Driver         "mouse"
    Option         "Protocol" "IMPS/2"
#    Option "Device"        "/dev/input/mouse0"
    Option         "Device" "/dev/input/mice"
    Option         "Buttons" "5"
    Option         "ZAxisMapping" "4 5"
# When using XQUEUE, comment out the above two lines, and uncomment
    Option         "ChordMiddle"
EndSection

Section "Monitor"
    Identifier     "HM903DT"
    Option         "DPMS"
EndSection

Section "Device"

    # Option "Overlay" "true"
    # Option "UBB" "true"
    # Option "CIOverlay" "true"
    # VideoRam  66560 
    Identifier     "n7600GT"
    Driver         "nvidia"
    Option         "NvAGP" "3"
    Option         "TripleBuffer" "true"
    Option         "NoLogo" "1"
    Option         "BackingStore" "True"
EndSection

Section "Screen"
    Identifier     "Screen 1"
    Device         "n7600GT"
    Monitor        "HM903DT"
    DefaultDepth    24
      SubSection     "Display"
        Viewport    0 0
        Depth       24
    EndSubSection
EndSection

you could try without bs and tb.