Why nouveau is used instead of Intel on a Intel-Optimus-Nvidia laptop?

Dimitri John Ledkov xnox at ubuntu.com
Tue Mar 31 17:43:50 UTC 2015

I believe both are dynamically used by default, as Ubuntu has fully
enabled hybrid graphics card support in such configurations.



On 31 March 2015 at 17:30, piotr maliƄski <riklaunim at gmail.com> wrote:
> I did a clean install of Xubuntu 15.04 beta 2 and all seems to worked except
> of some apps having slow UI animations (like text scrooling in Kate, slow
> rendering of Chromium UI, laggy YouTube in Firefox or Chromium). At first I
> was thinking that instead of Intel it's running in VESA mode, but after
> going to the drivers configuration app it turned out it was using nouveau
> which is pretty much useless. And that's on a MSI GP70 laptop with GT740M
> and i7-4700MQ.
> I would suggest using Intel driver and GPU by default. It has an open
> working driver and the GPU is good. Using nouveau means poor performance and
> very bad initial experience.
> I had to pick nvidia binary, then install primus, external
> "prime-indicator", reboot, switch graphics and smoke-test that on 0ad (had
> it installed, won't start if something is wrong with GPU config).
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