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Re: rt kernel and nouveau



On 3/22/2012 3:27 AM, daniel jimenez wrote:
> I'm using my computer as a guitar effects processor for real time audio,
> It's meant to be used in group performance so delays are kind of a big deal.
> 
> I changed the 'Driver' entry in /etc/X11/xorg.conf from "nvidia" to "vesa"
> and the rt kernel is working. Regular kernel is not usable like this,
> though. I'd have to bring back my backed up xorg.conf. Next, I'm trying
> "nouveau".
> 
> The above is definitely do-able, although it could get pretty tiresome to
> replace xorg.conf every time I want to play... Does anyone have any tips on
> how to run two different xorg.conf files for two kernels?

Seems there is a rather simple, if not elegant, solution.

1.  Write a script to swap the xorg.conf files back/forth
2.  Configure Linux to boot into a text shell

So, you power on and get your Grub boot menu for RT or non RT kernel.
Pick one.  Then you get dropped to a command prompt.  Run your custom
script to pick the xorg.conf version you want to run.  Then issue startx.

-- 
Stan


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