xorg.conf Settings Being Overridden By nvidia-auto-select

[Aaron Plattner]

Hi Junk,

This indicates that some X client (probably your desktop environment) is 
overriding the mode set in xorg.conf with its own.

-- Aaron

On 01/31/2018 12:52 PM, Junk Moody wrote:
> I'm having trouble with nvidia-auto-select apparently overriding my 
> settings in xorg.conf.
> 
> I used nvidia-settings to set my resolution to 1920x1080 and saved the 
> file successfully to /etc/X11/xorg.conf.  I confirmed that the desired 
> resolution is in that file, but upon reboot it isn't getting used.  I 
> reviewed
> /var/log/Xorg.0.log which claims it is using my xorg.conf:
>      [13.773] (==) Using config file: "/etc/X11/xorg.conf"
> and even claims to be using my resolution specified in that config file
>      [14.000] (**) NVIDIA(0): Option "MetaModes" "1920x1080 +0+0 
> {viewportout=1850x1040+35+19}"
>      ...
>      [14.602] (II) NVIDIA(0): Validated MetaModes:
>      [14.602] (II) NVIDIA(0):     
> "1920x1080+0+0{viewportout=1850x1040+35+19}"
>      [14.602] (II) NVIDIA(0): Virtual screen size determined to be 1850 
> x 1040
>      ...
>      [14.624] (II) NVIDIA(0): Setting mode 
> "1920x1080+0+0{viewportout=1850x1040+35+19}"
> Yet, further down in the log I see
> [16.472] (II) NVIDIA(0): Setting mode "HDMI-0: nvidia-auto-select 
> @3770x2120 +0+0 {ViewPortIn=3770x2120, ViewPortOut=3770x2120+35+19}"
> which I assume is overriding my xorg.conf setting.
> 
> I checked all the following locations and only found /etc/X11/xorg.conf 
> which is the one I created via nvidia-settings:
>             /etc/X11/<cmdline>
>             /usr/etc/X11/<cmdline>
>             /etc/X11/$XORGCONFIG
>             /usr/etc/X11/$XORGCONFIG
>             /etc/X11/xorg.conf                   # found
>             /etc/xorg.conf
>             /usr/etc/X11/xorg.conf.<hostname>
>             /usr/etc/X11/xorg.conf
>             /usr/lib/X11/xorg.conf.<hostname>
>             /usr/lib/X11/xorg.conf
> 
> How do I determine where the override is coming from?
> 
> I'm running Ubuntu 16.04.3, nVidia 384.111, kernel  4.4. Xorg.0.log is 
> attached.
> 
> 
> -- 
> Jerry
> 
> 
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