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-   -   QuadroNVS280-ubuntu-compix-xserver1.7.6-slow (http://www.nvnews.net/vbulletin/showthread.php?t=167347)

shankos 10-13-11 06:57 PM

2 Attachment(s)
The problem is my display is rendering very slow. The compiz cube is very laggy when windows are on the screen and even some text scrolling in firefox and moving windows around is slow to render correctly

I originally wanted to use twindisplay but this results in even more rendering slowness so i have dropped back to a single monitor.

I am using compiz windows manager in ubuntu 10 with x server 1.7.6.

I have installed the legacy nvidia NVIDIA-Linux-x86-173.14.31-pkg1.run driver required for this video card quadro NVS 280 pci.

I am not getting errors show up for nvidia in the Xorg.0.log file which i have attached.

glxinfo reports that nvidia is being used

direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
server glx extensions:

I have also included the nvidia bug report.

Below is my xorg.conf

I have tried disabling and changing different options available these ones seems to get the best results I dont think it is much better however then not having any options.
Option "Backingstore"
Option "RenderAccel" "true"
Option "NoLogo" "true"
Option "NvAGP" "1"

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"

Section "Module"
Load "extmod"
Load "dbe"
Load "type1"
Load "freetype"
Load "glx"

Section "Files"

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"

Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
# HorizSync 30.0 - 110.0
# VertRefresh 50.0 - 150.0
# Option "DPMS"

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "Backingstore"
Option "RenderAccel" "true"
Option "NoLogo" "true"
Option "NvAGP" "1"

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24

sarbash 10-13-11 11:51 PM

Re: QuadroNVS280-ubuntu-compix-xserver1.7.6-slow

Not sure about legacy drivers but guess if you really want the legacy driver you should downgrade your xserver. It's all about trapezoid acceleration and this has discussed in a few threads here.

shankos 10-16-11 04:03 PM

Re: QuadroNVS280-ubuntu-compix-xserver1.7.6-slow
Its not that i want the legacy driver it is because the nvidia driver told me to install it. I downloaded the latest driver and it told me to install a legacy driver of the version number i installed as the latest driver was not compatible.

I looked at the thread you linked to. So I will try downgrading the x-server.

shankos 10-16-11 04:08 PM

Re: QuadroNVS280-ubuntu-compiz-xserver1.7.6-slow
Here is the log info from installing the latest nvidia driver 256.44 for quadro which is why i installed the legacy driver.

Using: nvidia-installer ncurses user interface
WARNING: The NVIDIA Quadro NVS 55/280 PCI GPU installed in this system is
supported through the NVIDIA 173.14.xx legacy Linux graphics drivers.
Please visit http://www.nvidia.com/object/unix.html for more
information. The 256.44 NVIDIA Linux graphics driver will ignore this
WARNING: You do not appear to have an NVIDIA GPU supported by the 256.44 NVIDIA
Linux graphics driver installed in this system. For further details,
please see the appendix SUPPORTED NVIDIA GRAPHICS CHIPS in the README
available on the Linux driver download page at www.nvidia.com.

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