How do I determine which graphics card is being used?

[Liam O'Toole]

On 2010-03-02, Scott Beamer <geekboy at angrykeyboarder.com> wrote:
> Chris Jones spake thusly:
>
>>> It shows up ($ lspci) but how do I tell if Ubuntu is using it, or the
>>> onboard Intel graphics?
>> 
>> I would guess /var/log/Xorg.0.log would give you a clue which one is
>> being used ?
>
> Thanks. I knew there was a simple answer.
>
> It appears to not to be the nVidia card (I'd rather it was). :(
>
> http://paste2.org/p/697430
>
>

Yes, that seems to be the case. Lines 25 and 26 show that both cards are
detected, but lines 181- indicate that the intel driver is loaded. If
you install a suitable driver and study the arcana that is the xorg.conf
file, you should be able to force X to use the nvidia card.

-- 
Liam O'Toole
Birmingham, United Kingdom