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

[Volker Armin Hemmann]

On Sonntag 11 Januar 2009, meino.cramer@×××.de wrote:
> Volker Armin Hemmann <volkerarmin@××××××××××.com> [09-01-11 15:55]:
> > On Sonntag 11 Januar 2009, meino.cramer@×××.de wrote:
> > > Volker Armin Hemmann <volkerarmin@××××××××××.com> [09-01-11 15:35]:
> > > > On Sonntag 11 Januar 2009, meino.cramer@×××.de wrote:
> > > > > Volker Armin Hemmann <volkerarmin@××××××××××.com> [09-01-11 15:15]:
> > > > > > On Sonntag 11 Januar 2009, meino.cramer@×××.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.
>
> With the new ebuild for the nvidia-180* driver I installed that
> driver. Now disturtion of dvb-t broadcast has gone but still having
> high system load (system processes). The beside kaffeine quiet system
> gets about 50% system process load (sum of both CPUs).
>
> I removed backingstore and triple buffering in beforehand.
>
> Any ideas to decrease load?

you could try xine or mplayer - from their cvs. AFAIK they support vdpau, 
which means nice video acceleration. Or you could try tvtime as a tv 
application. Is kaffeine using xv or shm?