Verify Nvidia drivers

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Verify Nvidia drivers

Postby sigahotcore » Wed May 08, 2013 1:41

Is there a way to verify am i using Nvidia drivers or not ?
I have them installed , but i am not certain they are used . For example , KDE panel is not transparent as it is supposed to be .
If i am not using them , but have them installed , how do i make them work ?
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Re: Verify Nvidia drivers

Postby Fitzcarraldo » Wed May 08, 2013 2:29

There are several ways. For example, have a look in the file /var/log/Xorg.0.log and it will tell you which video driver was loaded and whether there are any problems. You can also look in the file /etc/X11/xorg.conf (if one exists) and you will see the video driver to be loaded is specified in there. For example, on the laptop I'm typing this, xorg.conf tells me I'm using the open-source Radion driver:

Code: Select all
aspire5536 fitzcarraldo # grep Driver /etc/X11/xorg.conf
    Driver      "ati"

If you're using the closed-source NVIDIA driver, you would see:

Code: Select all
# grep Driver /etc/X11/xorg.conf
    Driver      "nvidia"

and if you're using the open-source nouveau driver (poor you!), you'd see:

Code: Select all
# grep Driver /etc/X11/xorg.conf
    Driver      "nouveau"

You can also check whether the OpenGL library symlinks are correctly set up for the driver you are using. For example, as I'm using the open-source Radeon driver, I have:

Code: Select all
# eselect opengl list
Available OpenGL implementations:
  [1]   xorg-x11 *
  [2]   ati
  [3]   nvidia

If I were using the closed-source driver for my AMD ATI GPU (which I cannot, as this particular GPU model is not supported by the closed-source driver), then I could switch to the correct OpenGL libraries by typing:

Code: Select all
# eselect opengl set ati

If you are using a closed-source NVIDIA driver then you'd type:

Code: Select all
# eselect opengl set nvidia

whereas if you are using the open-source nouveau driver for NVIDIA GPUs then you'd type:

Code: Select all
# eselect opengl set xorg-x11
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Re: Verify Nvidia drivers

Postby sigahotcore » Wed May 08, 2013 11:57

Thank you ! I looks like i use Nvidia drivers ,one step closer to moving to my main PC !! :D :D
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Re: Verify Nvidia drivers

Postby Ryuno-Ki » Fri May 10, 2013 22:30

Code: Select all
# lsmod | grep nv
should list nvidia, too.
Code: Select all
# equo query installed nvidia
lists all installed nvidia packages. Have a look at the kernel version after the #.
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Re: Verify Nvidia drivers

Postby lxnay » Sat May 11, 2013 9:27

The only reliable way to verify that you're using nvidia drivers is to look at the content of /var/log/Xorg.0.log and to make sure that your "eselect opengl show" prints "nvidia".
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Re: Verify Nvidia drivers

Postby chris2kari » Wed Jul 10, 2013 13:55

This info is spot on!
Thank you guys!
Saved me hours of frustration trying to work out how to check/enable nVidia.
My son can play minecraft on Linux YAY!
No more Windows ever YAY!

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Re: Verify Nvidia drivers

Postby albfneto » Thu Jul 11, 2013 16:40

is there another method for check you NVIDIA and configure.

simple install the package "nvidia-settings"

if nvidia-settings opens and gives you configs etc.., and you is able to change these configs,
you nvidia-driver is working.
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