Re: 2.6.13 SMP on AMD Athlon64 X2 + FC4: PS/2 keyboard b0rken; taskset/sched_setaffinity() saves the day!

From: Daniel Jacobowitz
Date: Tue Sep 06 2005 - 18:13:54 EST


On Tue, Sep 06, 2005 at 11:10:29PM +0200, Frank van Maarseveen wrote:
> While playing with a new AMD Athlon64 X2 3800+ (i386) the keyboard goes
> wild for 10 (20?) seconds, behaves normally for 10 (20?) seconds, and
> then goes wild again: when "wild", every keypress results in a random
> number of repeats, e.g.:
>
> $ pppsss aaxxxuuuuuuuuuuu
> bash: pppsss: command not found
> $
> $
> $
> $
> $
> $
> $
> $
>
> Upgrading Xorg to xorg-x11-6.8.2-37.FC4.45 did not help.
>
> Booting with "nosmp" seems to fix it. And this _seems_ to fix it too:
>
> taskset -p 1 `ps axo comm,pid|awk '$1=="X"{print $2}'`
>
> I haven't seen this problem on the console.

This is probably the same problem as the earlier one you reported. If
you take a look at bugzilla, you'll see that the normal manifestation
is messed up key repeat rates...

--
Daniel Jacobowitz
CodeSourcery, LLC
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