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SubjectRe: [Bug #14388] keyboard under X with 2.6.31
On Tue, Oct 13, 2009 at 12:38:41AM +0100, Alan Cox wrote:
> > So it seems likely to me that this is a kernel bug, somewhere, and the
> > TTY layer seems like a good place to look (OK, a horrible place, but a
> > *likely* place).
>
> Somewhere around 2.6.29-30 various things went funny in the keyboard
> layer for me - notably characters "bleeding" across console switches.
>

What do you mean by "bleeding"? Are you sure it is not autorepeat
kicking in?

> >
> > I'm about to try reverting the suggested commit and will report back. I
> > see this failure about once a day, so I'll give it three days to go
> > wrong and then (if it doesn't) will presume it works and so inform you.
> >
> >
> > (Of course with this commit reverted Emacsen start dropping data from
> > their ptys, and as bad luck would have it I live in (X)Emacs, but that's
> > on a different machine! so I can have my compile buffer data *and* not
> > destroy X ;} )
>
> X doesn't touch the pty layer. It touches vt (extensively) and the input
> layers. It's vt/kbd access is also very raw so bypasses much of that
> layer. That isn't to say tty isn't the cause but look for input layer
> changes too.

--
Dmitry


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