On 2014-10-01 16:39 +0200, berenger.morel@neutralite.org wrote:
> I have recently acquired 2 (identical, 4/3 shaped) screens, so I
> combined them with my current favorite screen on a computer which have
> 2 graphic cards, but it seems that Debian did not enabled the second
> card.
>
> I have tried it on a temporary Ubuntu install, and it works fine out
> of the box, so Debian must be able to use that 2nd card too. I tried
> to install a more recent kernel from backports on Debian just in case,
> but still no luck. Now that I'm thinking about it, I did not checked
> what Ubuntu uses as driver, so if it uses NVidia, this could be the
> reason, since I'm using nouveau on Debian. But I think that Ubuntu
> does not install proprietary blobs by default?
> I tried to find a xorg.conf in /etc on both system, no one had it.
>
> There is no Internet access from that computer, so packages are
> installed from the Ubuntu DVD I bought 2-3 months ago (14.04 IIRC) and
> from a Debian DVD set I have downloaded at work (7.5, DVDs 1 to 9
> IIRC).
Obviously, Ubuntu 14.04 is quite a bit newer than Debian 7, so some
things which work there might not be supported in Wheezy.
> Does anyone knows if nouveau is supports a configuration with 2
> graphic cards, or do I have to install NVidia's drivers to do the job?
> Does someone have some links to documents which could explain how to
> enable that 2nd card?
http://nouveau.freedesktop.org/wiki/MultiMonitorDesktop/ has some
information.
> Note that I think the second card is disabled, because after doing
> quick searches in /sys, I discovered that what I suppose to be the
> second card directory have a file named "enabled" which contains
> "0". But I'm not expert at all when it comes to kernel stuff.
Me neither, but running "dmesg | grep nouveau" could be useful.
Cheers,
Sven
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