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From: Larry Finger <Larry DOT Finger AT lwfinger DOT net>
Subject:  Re: cygwin forgets CTRL key press
Date:  Thu, 15 Sep 2005 23:05:55 -0500
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Message-ID: <dgdgb3$l5q$1@sea.gmane.org>
References:  <Pine DOT GSO DOT 4 DOT 63 DOT 0509152333070 DOT 21521 AT slinky DOT cs DOT nyu DOT edu> <20050916035554 DOT 0CABF83C98 AT pessard DOT research DOT canon DOT com DOT au>
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Luke Kendall wrote:
> On 15 Sep, Igor Pechtchanski wrote:
> 
>> On Fri, 16 Sep 2005, Luke Kendall wrote:
>> 
>>
>>>Has anyone else noted that in vi (either in a plain Cygwin window or in
>>>an rxvt window, in an X session or not, also in xterm), that if you hold
>>>down the CTRL key and press keys at intervals (like F to page down
>>>through a file), and wait four seconds before another key press it's as
>>>if you don't have CTRL pressed at all?  You have to release it and press
>>>afresh.
>>
>> >
>>
>>>The same applies to "more": hold CTRL down and press f, and it beeps at
>>>you to indicate that's invalid; still hold CTRL down, wait 4 seconds,
>>>then press f again, and it pages forward.
>>
>> >
>>
>>>This behaviour has been present for years, BTW, it's not new.
>>
>> 
>> I suspect it's not Cygwin-related.  This sounds like the Windows "sticky
>> keys" accessibility feature -- if any modifier key is held for some period
>> of time (more than 8 seconds, I think), Windows offers to turn on sticky
>> keys.  Even if the feature is disabled, the 8-second timer may be started
>> every time the key is pressed.  I wouldn't be surprised if this is the
>> cause of the behavior you observe...
>> 	Igor
> 
> 
> I checked, but found that I have "Sticky keys" turned off in the control
> panel accessibility options.
> 
> Also, I've timed it roughly and it's close to 4 seconds, not 8.  And if
> it's due to this, wouldn't Larry have been able to reproduce it??
> 
> I'm now checking with other Cygwin users here to see if we can see what
> controls the reproducibility.  I'll let you know the results.
> 
> (BTW, FWIW I'm running Windows XP sp1.)
> 
> Regards,
> 
> luke
> 
> 

Could it be in the firmware on the keyboard? Is it possible to try another?

Larry


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