Keyboard repeat

[GianPiero Puccioni]

Hi,

I have a problem with the keyboard, once in while the key I press start 
repeating even after a short press and doesn't stop until I press another key.

I had to disable the key repeat (not optimal) as it was disrupting my work.
This is going on for months, I waited for several updates to see if thing got 
better but to no avail.

My setup is a Laptop Dell G15 F38 with KDE(both X11 and Wayland).
Is there something I can try to fix this?

Thanks,
   G

[stan]

On Thu, 19 Oct 2023 14:53:52 +0200
GianPiero Puccioni  wrote:
> Hi,
>
> I have a problem with the keyboard, once in while the key I press
> start repeating even after a short press and doesn't stop until I
> press another key.
>
> I had to disable the key repeat (not optimal) as it was disrupting my
> work. This is going on for months, I waited for several updates to
> see if thing got better but to no avail.
>
> My setup is a Laptop Dell G15 F38 with KDE(both X11 and Wayland).
> Is there something I can try to fix this?

This sounds like this could be a hardware error to me; the laptop is not
sending the keypress release to the driver.  It could also be that the
driver is not catching the release signal.  Is there anything about the
keypress when this happens that is unique?  Is it a very light tap,
such that it would release very quickly, perhaps causing a failure of
the driver to catch the release?  Or really hard?

I remember that there is an application that when it runs it shows
the key press and key release events, but I can't remember the name of
it. Perhaps someone else knows it.  If you can run that, you can then
try to replicate the error, and see if occasionally a release is missed.
And if it is the way the key is pressed causing the problem.

[Richard England]

On 10/19/23 07:15, stan via users wrote:
> On Thu, 19 Oct 2023 14:53:52 +0200
> GianPiero Puccioni  wrote:
> > Hi,
> >
> > I have a problem with the keyboard, once in while the key I press
> > start repeating even after a short press and doesn't stop until I
> > press another key.
> >
> > I had to disable the key repeat (not optimal) as it was disrupting my
> > work. This is going on for months, I waited for several updates to
> > see if thing got better but to no avail.
> >
> > My setup is a Laptop Dell G15 F38 with KDE(both X11 and Wayland).
> > Is there something I can try to fix this?
>
> This sounds like this could be a hardware error to me; the laptop is not
> sending the keypress release to the driver.  It could also be that the
> driver is not catching the release signal.  Is there anything about the
> keypress when this happens that is unique?  Is it a very light tap,
> such that it would release very quickly, perhaps causing a failure of
> the driver to catch the release?  Or really hard?
>
> I remember that there is an application that when it runs it shows
> the key press and key release events, but I can't remember the name of
> it. Perhaps someone else knows it.  If you can run that, you can then
> try to replicate the error, and see if occasionally a release is missed.
> And if it is the way the key is pressed causing the problem.
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I believe the utility called "xev" is one of the tools that reports the 
key press events. It is available for installation in the repos.

~~R

[GianPiero Puccioni]

On 19/10/2023 17:35, Richard England wrote:
> On 10/19/23 07:15, stan via users wrote:
> > On Thu, 19 Oct 2023 14:53:52 +0200
> > GianPiero Puccioni  wrote:
> > > Hi,
> > >
> > > I have a problem with the keyboard, once in while the key I press
> > > start repeating even after a short press and doesn't stop until I
> > > press another key.
> > >
> > > I had to disable the key repeat (not optimal) as it was disrupting my
> > > work. This is going on for months, I waited for several updates to
> > > see if thing got better but to no avail.
> > >
> > > My setup is a Laptop Dell G15 F38 with KDE(both X11 and Wayland).
> > > Is there something I can try to fix this?
> >
> > This sounds like this could be a hardware error to me; the laptop is not
> > sending the keypress release to the driver.  It could also be that the
> > driver is not catching the release signal.  Is there anything about the
> > keypress when this happens that is unique?  Is it a very light tap,
> > such that it would release very quickly, perhaps causing a failure of
> > the driver to catch the release?  Or really hard?
> >
> > I remember that there is an application that when it runs it shows
> > the key press and key release events, but I can't remember the name of
> > it. Perhaps someone else knows it.  If you can run that, you can then
> > try to replicate the error, and see if occasionally a release is missed.
> > And if it is the way the key is pressed causing the problem.
> I believe the utility called "xev" is one of the tools that reports the key 
> press events. It is available for installation in the repos.
>
> ~~R

Yes, have that. But I did another update (I didn't see there was some new stuff 
including a kernel) and using Wayland seems that it works a lot better, either 
it is fixed or it happens more rarely. Let's see what happens.

Thanks all for the help.

G

[Roger Heflin]

You aren't using something like VNC are you?

VNC (and some other remote viewers) seem to disable repeats simply
because something about the key-up seems to be unreliable for that
setup (even under Windows).

I know some vendors Web Remote Consoles do not disable key repeats and
should (repeats happen at random all of the time).

On Thu, Oct 19, 2023 at 7:54 AM GianPiero Puccioni
 wrote:
> Hi,
>
> I have a problem with the keyboard, once in while the key I press start
> repeating even after a short press and doesn't stop until I press another key.
>
> I had to disable the key repeat (not optimal) as it was disrupting my work.
> This is going on for months, I waited for several updates to see if thing got
> better but to no avail.
>
> My setup is a Laptop Dell G15 F38 with KDE(both X11 and Wayland).
> Is there something I can try to fix this?
>
> Thanks,
>    G
> _______________________________________________
> users mailing list -- [e-mail]
> To unsubscribe send an email to [e-mail]
> Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives: https://lists.fedoraproject.org/archives/list/[e-mail]
> Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue

[Tim]

On Thu, 2023-10-19 at 14:53 +0200, GianPiero Puccioni wrote:
> I have a problem with the keyboard, once in while the key I press start 
> repeating even after a short press and doesn't stop until I press another key.
>
> I had to disable the key repeat (not optimal) as it was disrupting my work.
> This is going on for months, I waited for several updates to see if thing got 
> better but to no avail.

I'm always suspicious of the keyboard, itself, with those kinds of
issues.  Which is problematic to diagnose and deal with, when it's a
built-in keyboard on a laptop.  And looking at images of the Dell G15
F38 laptop you mentioned shows the kind of keyboard that'd be difficult
to blast grot out of with an air can.

Is it always the same key?

[Joe Zeff]

On 10/19/2023 11:16 AM, Tim via users wrote:
> I'm always suspicious of the keyboard, itself, with those kinds of
> issues.  Which is problematic to diagnose and deal with, when it's a
> built-in keyboard on a laptop.  And looking at images of the Dell G15
> F38 laptop you mentioned shows the kind of keyboard that'd be difficult
> to blast grot out of with an air can.

You can also pop the keyboard cap off, clean out anything you find and 
put the cap back on.  It's easy, and they're made for that.

[GianPiero Puccioni]

On 19/10/2023 19:16, Tim via users wrote:
> On Thu, 2023-10-19 at 14:53 +0200, GianPiero Puccioni wrote:
> > I have a problem with the keyboard, once in while the key I press start
> > repeating even after a short press and doesn't stop until I press another key.
> >
> > I had to disable the key repeat (not optimal) as it was disrupting my work.
> > This is going on for months, I waited for several updates to see if thing got
> > better but to no avail.
>
> I'm always suspicious of the keyboard, itself, with those kinds of
> issues.  Which is problematic to diagnose and deal with, when it's a
> built-in keyboard on a laptop.  And looking at images of the Dell G15
> F38 laptop you mentioned shows the kind of keyboard that'd be difficult
> to blast grot out of with an air can.
>
> Is it always the same key?

Good question!
I am not sure, but from what I remember most of the times it's the arrow keys, 
I'll try to remove and clean them.

G