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Old 03-02-2010, 07:34 AM   #1
asinghpu
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Problem related about glxinfo direct rendering


hi all

I am new in Linux . I have installed Scientific Linux 5.3 in my HP laptop . i have problem related direct rendering .

[Linux@localhost ~]$ glxinfo | grep render
direct rendering: No
OpenGL renderer string: Mesa GLX Indirect

How can i solve it .

my xorg.conf file show me


# Xorg configuration created by system-config-display

Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Synaptics" "CorePointer"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes"
Option "LeftEdge" "120"
Option "RightEdge" "830"
Option "TopEdge" "120"
Option "BottomEdge" "650"
Option "FingerLow" "14"
Option "FingerHigh" "15"
Option "MaxTapMove" "110"
Option "VertScrollDelta" "20"
Option "HorizScrollDelta" "20"
Option "MinSpeed" "0.3"
Option "MaxSpeed" "0.75"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "nv"
EndSection

Plz suggest me about this problem
 
Old 03-02-2010, 08:52 AM   #2
i92guboj
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The "nv" driver can't do any hardware rendering, hence you won't ever get DRI working with this driver. You would need to use either "nvidia", which is the proprietary driver manufactured by nVidia itself, or "nouveau", which is the reverse engineered open source driver (still in an experimental stage, though it should work mostly ok if you don't need top-notch 3d performance.
 
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Old 03-03-2010, 01:08 AM   #3
asinghpu
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Dear

it mean i have to uninstall the nv driver and install "nvidia" driver . May you help from where i can download this driver .
 
Old 03-03-2010, 01:21 AM   #4
GrapefruiTgirl
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You do not need to "uninstall" anything to switch to the nvidia binary driver, but you will need to edit the Driver line in your xorg.conf file, changing "nv" to "nvidia" once you have installed the nvidia driver.


I don't use Scientific Linux, but if I rememeber right, that is based on RedHat is it not? If it is, then you should probably be using your package manager to locate and install the nvidia driver. If it is not, OR if you want to install the nvidia driver the 'usual' way, which is by downloading it from nvidia and running the built-in installer, then visit this page: http://www.nvidia.com/object/unix.html and download a version of the driver that is appropriate for your hardware and operating system. There are good instructions on that page as to what you do to install the driver, but if you run into problems, just tell us what you've done so far, and what is going wrong.

Sasha
 
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Old 03-03-2010, 01:55 AM   #5
asinghpu
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Hi dear

Yes Scientific linux is basically Redhat.

The card which my laptop has :

$/sbin/lspci

01:00.0 VGA compatible controller: nVidia Corporation GeForce 8400M GS (rev a1)

plz suggest me best driver for it .
 
Old 03-03-2010, 02:06 AM   #6
GrapefruiTgirl
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From what I see at the link I provided in my above post, your 8400 card is supported by the current 190.53 driver. Go to that link, download either an x86 or x86_64 driver (or whatever/whichever suits your architecture) and run the installer from a virtual terminal while in init level 3 or some other init level where X is not running.

NOTE: As I also mentioned, you should first check your package manager to see if there is a nvidia driver package offered for your OS. If there is, you may wish to install that instead.

Sasha
 
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Old 03-06-2010, 09:23 AM   #7
asinghpu
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hi dear


At last i have installed nvidia driver and it work fine . my glxinfo show

[Linux@localhost ~]$ glxinfo | grep render
direct rendering: yes
OpenGL renderer string: GeForce 8400M GS/PCI/SSE2

i thanks all who help me lot . and special thanks to Sasha .


Amandeep Singh
Panjab University
 
  


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