keyboard oddity
Jon LaBadie
jonfu at jgcomp.com
Sat Oct 3 03:40:10 UTC 2015
On Sat, Oct 03, 2015 at 11:17:53AM +0800, Ed Greshko wrote:
> On 10/03/2015 10:48 AM, Jon LaBadie wrote:
> > For several years I have used a Logitech K800 keyboard on my
> > primary desktop, currently running Fedora 22. Recently it
> > has been acting up, sending a stream of fives (5's) as if
> > I was holding down the five key and it was autorepeating.
> >
> > The 5's would appear sporadically, sometimes once a day,
> > other times every couple of minutes. They appeared in
> > xterm's, browsers, and other GUI apps and also when I
> > switched to one of the virtual consoles not running
> > X-windows. The 5's also appeared in virtual guest OS's.
> >
> > Assuming my keyboard was bad I purchased another kbd,
> > Logitech K330. As expected, no 5's streamed from this
> > new kbd. However when I installed the suspect K800 kbd
> > on my other system (running CentOS 7.1), it acts normally,
> > no 5's. Swap it back to Fedora 22, I get 5's. It has
> > now been back to the CentOS system for 10 days and has
> > not acted up once. Only on Fedora 22.
> >
> > Any clue as to what might cause such behavior on one
> > system but not another?
> >
>
> Several people have reported this as the "plague of fives" and seem to feel it is kernel related. I had seen it as well on my system. I first thought it was the Logitech Unifying Receiver and moved it to a different USB port. But based on the experience of others I guess it was only a coincidence that they no longer happen for me.
>
Thanks for the "identifier". My search turned up nothing.
I considered the Unifying Receiver also but all 3 I had on hand exhibited
the same behavior.
Jon
--
Jon H. LaBadie jonfu at jgcomp.com
11226 South Shore Rd. (703) 787-0688 (H)
Reston, VA 20190 (703) 935-6720 (C)
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