Re: kernel 2.6.13, USB keyboard and X.org

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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
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