Re: Keys get stuck

Fred .
2008-03-13T17:56:28Z

With so many people suffering from this bug (for a long time), and so
many bright people here, why doesn't it get fixed?

...other operating systems don't suffer from this bug...

On Thu, Mar 13, 2008 at 6:14 PM, Pavel Machek <pavel@ucw.cz> wrote:
>
> On Wed 2008-03-12 21:14:56, David Newall wrote:
> > Jiri Kosina wrote:
> > > Very probably this is due to broken way how X themselves implement
> > > auto-repeat, instead of using kernel-provided auto-repeat functionality.
> >
> > It should be said that X implements auto-repeat out of necessity. While
> > the kernel can report key down and up events, its further interpretation
> > of those events is not appropriate. Many combinations of events are
> > possible, such as keyboard plus mouse, and this precludes the kernel
> > from providing a full interpretation. It would be wrong for it to even
> > try. X is the proper place to implement auto-repeat for X.
>
> No.
>
> hw is proper place to implement autorepeat, and along with some
> buffering, it has chance to work. Kernel is not real-time, and X are
> definitely not real-time, while autorepeat is real-time operation.
>
> It actually mostly works in ps/2 case. Buffer in hardware means that
> pretty big interrupt delays can be tolerated without problems.
>
> --
> (english) http://www.livejournal.com/~pavelmachek
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>