Terminal issue

[Thaery]

when i switch to terminal (Ctrl+Alt+F1,F2,F3, etc)
The cursor appears in the top left corner and stays there.
And when I do an ls, the result go to the bottom of the screen, without
scrolling, so i never get back to a prompt.

Piping through more doesn't make a difference, though through more does

Does anyone have a clue what could be going on?

So far my google-fu has not yielded any answers, except that
this happens with wacom tablets (which I do not have)

Ctrl+L won't also clear the screen.

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Veni, Vidi, Ventum

[Dan C]

Sounds like a framebuffer issue.

Try adding something like "vga=788" or "vga=normal" to your kernel boot
line in grub/lilo.

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[Thaery]

Thanks,

788 works, however it distorts my bootup splash screen (no big deal)

Still from a puzzle perspective..... according to documentation I found
791/792 should solve my problem AND show the splash as it should...
HOWEVER those values are not recognised by the kernel (both are supposed
to be 1024x768) which it what it appears to need to display properly. As
I said no big deal but still interesting

Using kernel 2.26

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Veni, Vidi, Ventum

[Aragorn]

On Saturday 12 December 2009 07:39 in alt.os.linux, somebody identifying
as Thaery wrote...

The result of those "vga=" statements also depends on your graphics
hardware. There's a lot at play here, ranging from colordepth and
resolution over vertical refresh frequency[1] and other,
framebuffer-specific settings. It is quite possible that your video
adapter does not (fully) support the type of framebuffer driver you are
trying to use, although that would be strange since the default is
VESA, which is supposed to be supported by every modern video adapter.

An alternative to using the "vga=" statements is to include a "video="
statement as a kernel parameter (in GRUB) or in the /append/ line for
your kernel (in LILO). Its syntax is different though; it requires
that you mention which framebuffer driver it must use, but it allows
you more finegrained tuning over resolution, refresh rates, colordepth
and other framebuffer options such as Y-wrap or MTRRs. Check your
kernel documentation for what is supported by which framebuffer driver.

Hint: If you have an nVidia video adapter and you also wish to use this
with the proprietary video driver in X11, then don't use the "nvidiafb"
framebuffer driver - it doesn't work well with the proprietary X11
driver from nVidia - but use the "vesafb" framebuffer driver instead,
or perhaps you can even look into the "uvesafb" framebuffer driver. If
your card is a recent model of the AMD/ATi type, then use
the "radeonfb" framebuffer driver for character mode consoles.

[1] The default will always be 60 Hz because every monitor supports that
and LCD/TFT monitors will always work at 60 Hz. For CRT monitors
however, a higher vertical refresh rate is recommended, both in
terms of monitor lifetime - consult the monitor's documentation on
suggested or preferred refresh rates - and in terms of eyestrain.
On CRT monitors, 60 Hz is considered way too low for eyecomfort as
it will produce a flicker which is most notable when seeing the
monitor through the corner of one's eye. This will greatly induce
strain and fatigue on the optical nerves, so you need at least 75 Hz
or above - 85 Hz or above is recommended. With LCD/TFT, this is
irrelevant because the picture is constructed differently there.

--
*Aragorn*
(registered GNU/Linux user #223157)

[Dan C]

You might try 773.

> Using kernel 2.26

Does not compute.

[unruh]

Try vga=ask
this will list the modes which your kernel and video card actually
support.

[Thaery]

> Try vga=ask
> this will list the modes which your kernel and video card actually
> support.

Doing so gives no result higher than 800x600

BTW adapter is nVidia GeForce FX 5500

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Veni, Vidi, Ventum