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From: Roger Leigh on 24 May 2010 14:00
On Mon, May 24, 2010 at 05:03:42PM +0100, Roger Leigh wrote:
> On Sun, May 23, 2010 at 04:28:55PM -0700, Todd A. Jacobs wrote:
> > After a recent kernel update, my linux terminal is now displaying
> > teeny-tiny text. How do I set the default terminal back to 80x25?
>
> Rather than disabling the high resolution display, as others
> suggested, I would advise a rather simpler solution, which is
> to use a larger console font than 8×16 which will solve the
> problem and give you a nicer display.

Note you need to install kdb in place of console-tools to
use large fonts.

[/etc/default/console-setup]
VERBOSE_OUTPUT="yes"
ACTIVE_CONSOLES="/dev/tty[1-6]"
CHARMAP="UTF-8"
CODESET="Uni3"
#FONTFACE=VGA
FONTFACE="TerminusBold"
FONTSIZE="32x16"
if [ -f /etc/default/keyboard ]; then
. /etc/default/keyboard
fi

This gives a fairly nice large font on the console. The VGA
font is blockier but replicates the 8x16 VGA font faithfully.
It would be nice if one could automatically create a
console font automatically from a TTF/OTF font such as
DejaVu Sans Mono, which would really look the part.

Other potential fonts. Note, you only get some in
particular encodings. Lat15 and Uni1/3 are OK for
most Latin usage. I'm using Uni3 because it has some
useful symbols in addition to the main alphabetical
chars.
% ls /usr/share/consolefonts | grep 32 | egrep 'Lat15|Uni'
Lat15-Terminus32x16.psf.gz
Lat15-TerminusBold32x16.psf.gz
Lat15-VGA32x16.psf.gz
Uni1-VGA32x16.psf.gz
Uni2-Terminus32x16.psf.gz
Uni2-TerminusBold32x16.psf.gz
Uni2-VGA32x16.psf.gz
Uni3-Terminus32x16.psf.gz
Uni3-TerminusBold32x16.psf.gz


Regards,
Roger

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From: Brian on 25 May 2010 05:10
On Mon 24 May 2010 at 17:11:37 +0200, Sven Joachim wrote:

> You can blacklist the module or use nouveau.modeset=0 kernel parameter,
> leaving you with the nv (or nvidia) driver for X.

Changing the console resolution is easily done with the nouveau driver
by using 'video=VGA-1:1024x768' as a kernel option. The output (VGA-1
in my case) can be omitted.

This is also useful to employ if the driver and card do not play well
together and the native resolution of the screen is not detected. With
one card I force 'video=VGA-1:1280x1024', otherwise I get 1024x768.

> Another possibility
> is to use a bigger font. Install the console-setup and kbd packages and
> use "dpkg-reconfigure console-setup" to choose your preferred font.

I don't know which bigger console font you have in mind but if it is
one of the Terminus family screen corruption will most likely happen.


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From: Sven Joachim on 25 May 2010 10:00
On 2010-05-25 10:41 +0200, Brian wrote:

> On Mon 24 May 2010 at 17:11:37 +0200, Sven Joachim wrote:
>
>> You can blacklist the module or use nouveau.modeset=0 kernel parameter,
>> leaving you with the nv (or nvidia) driver for X.
>
> Changing the console resolution is easily done with the nouveau driver
> by using 'video=VGA-1:1024x768' as a kernel option. The output (VGA-1
> in my case) can be omitted.

Interesting, I did not know that.

> This is also useful to employ if the driver and card do not play well
> together and the native resolution of the screen is not detected. With
> one card I force 'video=VGA-1:1280x1024', otherwise I get 1024x768.

If the native resolution is not detected, it is a problem of the monitor
which should have reported its preferred resolution via EDID.

>> Another possibility
>> is to use a bigger font. Install the console-setup and kbd packages and
>> use "dpkg-reconfigure console-setup" to choose your preferred font.
>
> I don't know which bigger console font you have in mind but if it is
> one of the Terminus family screen corruption will most likely happen.

I never had any problems with the terminus fonts, YMMV.

Sven


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From: Brian on 25 May 2010 15:10
On Tue 25 May 2010 at 15:49:43 +0200, Sven Joachim wrote:

> If the native resolution is not detected, it is a problem of the monitor
> which should have reported its preferred resolution via EDID.

I thought that too but with these two cards

Display controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] (Secondary) (rev 01)
VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] (rev a1)

/var/log/Xorg.0.log has no problem reporting

(II) RADEON(0): EDID data from the display on output: DVI-0 ----------------------
(II) RADEON(0): Manufacturer: DEL Model: 400d Serial#: 1094992983
(II) RADEON(0): Year: 2006 Week: 2

for the radeon card, and

(II) NOUVEAU(0): EDID for output VGA-1
(II) NOUVEAU(0): Manufacturer: DEL Model: 400c Serial#: 1094992983
(II) NOUVEAU(0): Year: 2006 Week: 2

for the nvidia card. Available resolutions and EDID (in hex) are also
recorded.

With an onboard nvidia adaptor

VGA compatible controller: nVidia Corporation NVCrush11 [GeForce2 MX Integrated Graphics] (rev b1)

there is no EDID information in Xorg.0.log. I get 1024x768 on the console
and in X. The native resolution of the panel is 1280x1024. This is a step
up on the nv driver which will give only 800x600 without being told
otherwise in xorg.conf.

So I'm disinclined to blame the behavior of the monitor.

Not the same card as my onboard nvidia but this is close to the behaviour
I've experienced:

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/569505

> I never had any problems with the terminus fonts, YMMV.

Which one do you use? TerminusBold 20x10, 22x11, 24x12 and 28x14 all lead
to screen corruption for me. 32x16 behaves.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/544739

may have some bearing on my observations.


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From: Sven Joachim on 25 May 2010 15:30
On 2010-05-25 20:48 +0200, Brian wrote:

> On Tue 25 May 2010 at 15:49:43 +0200, Sven Joachim wrote:
>
>> I never had any problems with the terminus fonts, YMMV.
>
> Which one do you use? TerminusBold 20x10, 22x11, 24x12 and 28x14 all lead
> to screen corruption for me. 32x16 behaves.
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/544739
>
> may have some bearing on my observations.

Thanks -- I'm running 2.6.34 where the bug is fixed. I'll see if I can
reproduce this with the sid kernel and request a backport of the fix, if
necessary.

Sven


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