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#1 2011-12-21 01:51:20

ennui
Member
Registered: 2010-08-23
Posts: 21

Only every other keystroke registers in tty screen!

Oh my! This problem is a huge pain in the butt!

It seems that most of the time only every other keystroke registers on my HTPC running arch when I am in the tty screen.
I know this isn't an issue with my input device as it happens with both my wired keyboard and my wireless mini remote keyboard. I have had a hard time finding anything on line about similar problems and was wondering if anyone might have a clue as to what might be behind this issue.

Thanks in advance!

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#2 2011-12-21 02:19:58

Stebalien
Member
Registered: 2010-04-27
Posts: 1,238
Website

Re: Only every other keystroke registers in tty screen!

I have had this problem before but can't recall with certainty exactly what caused it. I vaguely remember this having something to do with the slim login manager (the hidecursor option?).

edit -- This may be related: https://bugs.archlinux.org/task/12179

Last edited by Stebalien (2011-12-21 02:25:30)


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#3 2011-12-21 02:45:31

Gusar
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Registered: 2009-08-25
Posts: 3,605

Re: Only every other keystroke registers in tty screen!

In what situations exactly does this happen, is it when X is running and you're switching to a tty? If yes, how are you starting X?

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#4 2011-12-21 07:34:23

.:B:.
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Registered: 2006-11-26
Posts: 5,819
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Re: Only every other keystroke registers in tty screen!

I've had this problem before, when SLiM was installed.


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#5 2011-12-21 07:38:43

stqn
Member
Registered: 2010-03-19
Posts: 1,191
Website

Re: Only every other keystroke registers in tty screen!

Does it do it also in tty2? I've had the problem and also read about it in this forum previously... Had to do with some program reading from stdin in tty1 I think.

(I've never used SLIM btw, always automatic login to X.)

Last edited by stqn (2011-12-21 07:39:16)

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#6 2011-12-21 08:19:45

hqwrong
Member
Registered: 2011-12-21
Posts: 3

Re: Only every other keystroke registers in tty screen!

yah.This happens to me ,now.
It just happens when I'm on tty1, So I turned to tty2 each time I needed a console. smile

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#7 2011-12-22 04:23:11

drcouzelis
Member
From: Connecticut, USA
Registered: 2009-11-09
Posts: 4,092
Website

Re: Only every other keystroke registers in tty screen!

Here's the fix:

In "/etc/modprobe.d/modprobe.conf" add:

# Fix key skip problem in tty
options psmouse rate=40

Does that fix it?

I learned it somewhere on the Arch forums...

Found it! https://bbs.archlinux.org/viewtopic.php … 79#p865979

Last edited by drcouzelis (2011-12-23 02:29:02)

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#8 2011-12-22 04:26:34

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,860

Re: Only every other keystroke registers in tty screen!

Slim again.  Now for the scolding:  A search of the forums should have turned that up.


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#9 2011-12-22 12:08:34

ennui
Member
Registered: 2010-08-23
Posts: 21

Re: Only every other keystroke registers in tty screen!

Hmmm I didn't have slim installed. So how would I have known to search for 'slim' in the forums? And of course, how would that have helped me anyway as, once again, no slim.

Last edited by ennui (2011-12-22 12:10:45)

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#10 2011-12-22 14:20:53

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,860

Re: Only every other keystroke registers in tty screen!

Google search phrase:

site:archlinux.org tty1 loses keystrokes

turns up a thread regarding this Slim as the first result.  But, you say that Slim is not the culprit; now this thread is interesting again smile

Does the problem exist on the other ttys?


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

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#11 2011-12-22 14:34:12

Gusar
Member
Registered: 2009-08-25
Posts: 3,605

Re: Only every other keystroke registers in tty screen!

Seems my post was overlooked. ennui, how exactly are you starting X?

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#12 2011-12-22 15:51:40

oldpond
Member
Registered: 2010-01-26
Posts: 43

Re: Only every other keystroke registers in tty screen!

I can confirm this problem on my system as well.  No Slim.  I use startx to launch X.


oldpond = glide

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