Bug#544887: linux-image-2.6.30-1-amd64: problems with keyboard after installing kernel 2.6.30-11, typeing stucking and keys repeating

[Moritz Muehlenhoff <jmm@inutil.org>]

On Thu, Sep 03, 2009 at 09:35:47PM -0300, Edson Marquezani Filho wrote:
> On Thu, Sep 3, 2009 at 17:34, Moritz Muehlenhoff<jmm@inutil.org> wrote:
> > On Thu, Sep 03, 2009 at 11:56:35AM -0300, Edson Marquezani Filho wrote:
> >> Package: linux-image-2.6.30-1-amd64
> >> Version: 2.6.30-6
> >> Severity: normal
> >>
> >>
> >> When using keyboard, it get stucked for a few moments and come back repeating the same key many times, like the following:
> >>
> >> Look what happeeeeens wheeen I try to write somettthiiing. And I'm   not holding keeeys.
> >>
> >> This doesn't happen  when I'm running kernel 2.6.26.
> >
> > First of all try to reproduce the error without the Nvidia binary module
> > loaded.
> 
> I have already tried this, and things go a little differente, but I
> guess not normal as well.
> Characters don't repeat, but while typing, it stucks for few moments too.
> 
> For exemple, if I hold a key, it would appear like that to me:
> 
> aaaaaaaaaaaaaaaaaaaa<littlePause>aaaaaaaaaaaaaaaaaaaaaaaaaa<littlePause>aaaaaaaaaaa
> 
> And so on.

Is other activity on your system also interrrupted (e.g. playing music)?

> > If it still occurs with an untaitned kernel, please install the
> > "joystick" package and run
> >
> > evtest /dev/input/event0 (or whatever device your keyboard may be)
> 
> I tried this, but I couldn't notice anything remarkable, except that
> when thae pause I told you happens, characters appears sequentialy,
> before the evtest output. Something like this:
> 
> a<evtest output>
> a<evtest output>
> a<evtest output>
> a<evtest output>
> a<evtest output>
> aaaaaaa<evtest output>
> a<evtest output>
> a<evtest output>
> a<evtest output>

In that case the keyboard events are fine. What kind of terminal are
you using? Does the behaviour also show up if you change to a tty
with CRTL+ALT+F1?
 
> > Is the output different if you compare the output against an older
> > kernel, which doesn't show the behaviour?
> >
> 
> As I've said I can't notice any substancial difference. But, listen
> what a odd thing I've detected. If I let my computer (a Acer notebook)
> to boot closed (without screen turned up), the problem just go away
> when I open it, after everything has been loaded! I really didn't
> understand anything.  =)
> 
> Do you have any idea about what may be happening?
> 
> I hope you understand what I meant. Thank you, very much, for helping
> through this.

If you boot into an older, still installed kernel, does the behaviour
still occur?

Cheers,
        Moritz