Problem installing the "nouveau" driver

Simon Geard delgarde at ihug.co.nz
Tue Jun 29 04:30:32 PDT 2010


On Mon, 2010-06-28 at 13:28 -0500, alupu at verizon.net wrote:
> Whether I have "fbcon" in the kernel or as a module (with its
> convenient font, 80x25 full wide-screen) I cannot (or I
> don't know how to) change the 240x67 resolution back to
> what I have always used and preferred, 80x25 full wide-screen.
> The original NVIDIA driver does not "touch" my text screen
> so this switch to 240x67 has caught me by surprise.

Right, because the NVIDIA driver is an X driver only - it has no effect
when the X server isn't running. The piece of Nouveau included in the
kernel isn't an X driver - it's a kernel framebuffer driver, meaning
that it's not limited to X.

The issue with the modes is because "text resolutions" like your
favoured 80x25 are provided by the BIOS, the lowest-common-denominator
interface that goes back to the stone age. Once Nouveau loads, it's
talking to the video card natively, and those BIOS modes just aren't
applicable anymore - all that matters is pixels, 1920x1080 of them in
your case. The right fonts can emulate that 80x25, but nothing will
actually put you in that mode until the BIOS is driving the video card
again.

What exactly is your problem with running in the high-res mode? If it's
just that the font size is too small, I'd have to repeat Stephane's
suggestion of selecting a different console font (somewhere in the
kernel config, I think).

Simon.
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