[blfs-support] problem using BS or DEL key

Alexey Orishko alexey.orishko at gmail.com
Tue Dec 3 08:14:33 PST 2013


On Sun, Dec 1, 2013 at 1:16 PM, Richard Melville
<richard.melville69 at googlemail.com> wrote:
>> I wonder if anyone could guess what's wrong with my text terminal.
>> I've recently built LFS-7.4 (32bit) and most of BLFS (I'm not using X
>> Windows, just text terminals only) on Atom D2550 motherboard, VGA display
>> resolution.
>>
>> When I logged in if I try to edit bash command line by deleting symbol
>> with
>> BS rest of the text line became solid white blocks.
>> The same happens if I edit in mcedit (editing in midnight commander). If I
>> scroll text garbage symbols scroll as well).
>> Same happens if I use DEL key, but not every time.
>> I also use loadkeys with no-latin1 (dunno if it might cause any trouble or
>> not).
>
> This sounds very much like the problem that I had just under a year ago.
> Have a look in the archives for "keyboard-1.15.3 errors on backspace with UK
> keymap" dated 15/12/2012.  Coincidently, it was on a similar Atom-based
> board -- DN2800MT.
>
> Richard

Resending to LFS mailing list since kbd is included in that book as well
as old posts you've mentioned:
http://www.mail-archive.com/lfs-support@linuxfromscratch.org/msg19193.html

Unfortunately it didn't help (even recompiled kbd with patch applied).
I have system with LANG=en_US.UTF-8, which should be the default.
However I currently have Norwegian keyboard and I would really like to get
all *?- etc.symbols in the right place.
- I don't have any issues if I use ssh connection, only on local terminals.
- Square blocks are appearing only if symbol deleted within a text (i.e. not
  the last one) and usually after deliting at least 2 symbols.
- Square blocks are appearing till the end of screen even if there was no text
  there with black space between white.
- while deleting yet one more symbol whole line became white (one more
  black position became white).

I've noticed, that I don't need to edit text to get problem visisble, just
scroll text in mcedit. For example scrolling dircolors file get this problem
100%. Position on the terminal screen remains white even if I quit mcedit.

At least LANG=en_US.UTF-8 and non-us keyboard are working file with Ubuntu...
I wonder what's wrong with my LFS setup...

/alexey



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