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 15:35]:
> > 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.
>
> This xorg.conf gaves me a flickery (to low refresh rate) highly
> offseted screen with slim and after login the screen is somehow
> scrambled blockwise. I am not using hal for X11 due to othe problems
> (see previous problems reported here).
> I switched back to my old xorg.conf.
>
> What do you mean with "ts" and "bs"?

strange. Your monitor and your card should set up a perfect picture just by 
using edid data.
tb = triple buffering, bs = backingstore.