[AMD64 - FC4-64] SMP causes keyboard trouble
David Niemi
drn_temp2 at rogers.com
Sun Aug 14 09:23:19 UTC 2005
On Sun, 2005-08-14 at 15:43 +0800, Steve Underwood wrote:
> Steve Underwood wrote:
>
> > A.J. Bonnema wrote:
> >
> >> Hi,
> >>
> >> Last week I installed and configured FC4 (64 bits) on my athlon 64
> >> bits (AMD 64 X2 4400+). It runs perfectly and quite swift. However,
> >> within minutes after using the keyboard, the system *suddenly* starts
> >> ignoring any keyboard input.
> >> The mouse still works, and in so far I do not need keyboard input, I
> >> can work.
> >> Also, remotely, using SSH I can work normally.
> >>
> >> This problem occurs only when using the SMP kernel (default for my
> >> processor). Using the UP kernel I have no problem at all.
> >> This error is repeatable, which renders the SMP kernel unusable to me.
> >>
> >> Has anyone else suffered this problem?
> >> Should I report it?
> >
> >
> > You should report it. 2.4.x kernels, single processor and SMP, never
> > give any trouble with mice or keyboards of the PS/2 or USB kind.
> > Things are really screwed up in 2.6.x, and are only slowly being
> > sorted out. I also have an X2 machine with an Asus A8N-E motherboard
> > (Nvidia nForce4-Ultra chip set). This seems to work OK with USB and
> > PS/2 keyboards using FC4. However, my dual Xeon machine with a Tyan
> > 2665 motherboard only works properly using a single processor kernel.
> > With an SMP kernel it won't boot using a PS/2 keyboard.
>
> A slight correction. The Tyan machine won't boot with an SMP kernel, a
> PS/2 keyboard and USB enabled. If I disable USB it works. Apparently
> using motherboards which allow legacy USB support to be disabled things
> may work OK. The Tyan motherboard does not allow that. You either have
> USB on or off. Nothing in between.
>
> If you have selections of this kind in your BIOS, try then.
>
> > With a USB keyboard it kind of works, but it often doubles keys, or a
> > key gets stuck on until the next keypress, or it locks up completely
> > until I unplug and reinsert it. Various people have been reporting
> > problems of this kind since 2.6.x was first used. It happens with
> > vanilla kernels, as well as the ones supplied with FC4.
>
You may want to look at this bug which bit me
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=155759
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