Re: Keys get stuck

Pavel Machek
2008-03-14T18:24:35Z

On Fri 2008-03-14 10:21:29, Jiri Kosina wrote:
> On Thu, 13 Mar 2008, Pavel Machek wrote:
>
> > 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.
>
> That's true. Unfortunately USB keyboards don't behave this way and there
> is nothing we can do about that.

Maybe. (Could we get host controller to effectively timestamp usb
packets for us?)

..but that is not a problem here, because X are broken even on ps/2
keyboards. USB keyboards may be misdesigned, but they are not responsible
for problems we see.
Pavel
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