Re: [AMD64 - FC4-64] SMP causes keyboard trouble

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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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