Re: PROBLEM: PS/2 keyboard does not work with 2.6.15

From: Alan Stern
Date: Sat Jan 14 2006 - 12:07:38 EST


On Sat, 14 Jan 2006, Walt H wrote:

> I've an AMD based SMP setup w/ Chaintech 7KDD motherboard. It's an older
> board, and there are no more recent BIOS updates available for me than
> what I'm running. I've tried enabling/disabling legacy USB
> keyboard/mouse emulation in the BIOS with no change. I'm using a USB
> mouse connected via the OHCI controller in addition to the ps/2
> keyboard. If I comment out the handoff code in pci-quirks.c the
> keyboard works, even after loading the USB modules. I'm running a ck
> based 2.6.15 kernel BTW.
>
> During bootup with handoff code enabled, I do see a message print when
> PS/2 gets init'd, and I think it is
> "i8042.c: Can't read CTR while initializing i8042", but it scrolls by
> too fast so I'm not positive.
>
> lspci and config attached. Anything else you need? Please CC replies
> to me, as I'm not subscribed. I tried to CC relevant people involved,
> sorry if I missed anyone. Thanks,

What happens if you comment out only the OHCI part of the hand-off code,
or only the EHCI part?

Check dmesg to see exactly what that i8042 message says. Are there any
lines reporting handoff problems in ohci-hcd or ehci-hcd?

Alan Stern

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