[elrepo] [elrepo-devel] nvidia-detect users

[Steve Cleveland]

I use in %post.  I'd have to look, but I think I only do for 
workstations.  So adding the xorg dependency wouldn't be a big deal.  I 
also use it in puppet, but I have a custom fact that checks to see if an 
nvidia device exists (using lspci) before running it. And in that case, 
I would want the xorg stuff installed anyway.

  - Steve

On 3/3/19 6:11 AM, Phil Perry wrote:
> Hi all,
>
> I have a question about how folks are using nvidia-detect, and 
> wondered if anyone is using it from within a script or at install time 
> before X is installed?
>
> One of the things nvidia-detect does is to check Xorg ABI comatibility 
> with the nvidia driver. At present we do this by checking the Xorg log 
> file (if it exists) for various strings to see if it has been logged. 
> If the log file doesn't exist, or we can't match the search term, we 
> can just return a soft error or unknown value. This allows 
> nvidia-detect to work even if Xorg is not installed or has never been 
> started.
>
> I have always felt this to be a rather crude way of returning the 
> value for the Xorg ABI, and would rather call the inbuilt Xorg 
> function that directly queries VendorRelease() directly and determine 
> the ABI version from that. However, that is going to add some X11 
> dependencies to our package that would require certain X11 packages to 
> be installed before nvidia-detect can be used.
>
> Would this affect the way you use nvidia-detect?
>
> I'm guessing if you are using nvidia-detect, you either already have 
> Xorg installed, or are intending to install it, so this shouldn't 
> cause an issue, but I want to check before making changes that could 
> affect the way people are using the program.
>
> Phil
>
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