From: Frank van Maarseveen <frankvm@frankvm.com>
To: "Carlo J. Calica" <ccalica@gmail.com>
Cc: linux-kernel@vger.kernel.org, xorg@freedesktop.org
Subject: Re: kernel 2.6.13, USB keyboard and X.org
Date: Tue, 27 Sep 2005 22:16:05 +0200 [thread overview]
Message-ID: <20050927201605.GB8055@janus> (raw)
In-Reply-To: <dh4phg$e4r$1@sea.gmane.org>
On Sat, Sep 24, 2005 at 05:04:17PM -0700, Carlo J. Calica wrote:
> Piter Punk wrote:
>
> > But, when i start X i got a second problem, is impossible to type
> > only one letter, one touch in a key makes a lot of letters, like that:
> >
> > lllllliiiiiiinnnnnnnnuuuuxxxxx
> >
> > instead
> >
> > linux
> >
>
> I have the same problem, with my dual core athlon64. Booting a uniprocessor
> kernel solves it. Another work around is turning off key repeat.
>
> Best solution is setting processor affinity for the keyboard irq handler and
> X to the same cpu. Seems to be a race condition of some sort. If a X
You just might be hitting a TSC related problem, see bug #5105 at
bugzilla.kernel.org. In that case you will probably see funny timings
when doing an strace -tt of the xclock program, for example.
A workaround for i386 kernels is "clock=pit" on the kernel commandline.
In x86_64 mode, try "notsc" instead. Well, try that anyway but it didn't
work in my case.
--
Frank
prev parent reply other threads:[~2005-09-27 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-21 17:00 kernel 2.6.13, USB keyboard and X.org Piter Punk
2005-09-25 0:04 ` Carlo J. Calica
2005-09-27 20:16 ` Frank van Maarseveen [this message]
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