Vojtech,
Adding usb-handoff fixed the problem, the keyboard/mouse is found
and works correctly.
I never would have guessed that a usb option would fix a ps2 issue.
Thanks
Roger
> -----Original Message-----
> From: Vojtech Pavlik [mailto:[email protected]]
> Sent: Friday, September 16, 2005 6:46 AM
> To: Andrew Morton
> Cc: Roger Heflin; [email protected]; Dmitry Torokhov
> Subject: Re: Machine does not find AT keyboard with 2.6.13.1
>
> On Fri, Sep 16, 2005 at 02:47:10AM -0700, Andrew Morton wrote:
> > "Roger Heflin" <[email protected]> wrote:
> > >
> > > I have an older machine that fails to find the AT
> keyboard. The machine is
> > > based
> > > on an Intel 7501 chipset.
> > >
> > > Under the default fedora core 4 kernel, it found the
> keyboard and
> > > that keyboard worked in UP mode, in SMP mode the
> machine crashed,
> > > but that is a different issue.
> > >
> > > Under 2.6.13.1 the machine boots under SMP and does not crash,
> > > dmesg does not report the keyboard being found, and the
> keyboard
> > > fails to work. The .config file does have
> > > CONFIG_KEYBOARD_ATKBD set to Y. The keyboard was being
> found was seen on
> > > the default
> > > fedora core 4 kernel. There are no extra options on
> the boot cmdline.
> > >
> > > The important messages seem to be:
> > >
> > > Fedora Core 4 default UP kernel boot:
> > > Sep 15 19:55:12 node001 kernel: serio: i8042 AUX port at
> 0x60,0x64
> > > irq 12 Sep 15 19:55:12 node001 kernel: serio: i8042 KBD port at
> > > 0x60,0x64 irq 1 Sep 15 19:55:12 node001 kernel: input: AT
> > > Translated Set 2 keyboard on isa0060/serio0
> > >
> > > New boot (2.6.13.1 smp boot)
> > > Sep 15 21:12:35 node001 kernel: i8042.c: Can't read CTR while
> > > initializing i8042.
>
> "usb-handoff" on the kernel command line should solve this. I
> thought we already had that as a default, or was the patch to
> make it so dropped?
>
> > > The i8042 is of course missing out of /proc/interrupts
> on the new boot.
> >
> > That I8042_CMD_CTL_WCTR write-and-test seems to be new.
> Can you try
> > taking it out?
>
> It's not a test, it's enabling the port interrupt. It won't
> work without it at all.
>
> > --- devel/drivers/input/serio/i8042.c~a 2005-09-16
> 02:45:02.000000000 -0700
> > +++ devel-akpm/drivers/input/serio/i8042.c 2005-09-16
> 02:46:51.000000000 -0700
> > @@ -305,11 +305,6 @@ static int i8042_activate_port(struct i8
> >
> > i8042_ctr |= port->irqen;
> >
> > - if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
> > - i8042_ctr &= ~port->irqen;
> > - return -1;
> > - }
> > -
> > return 0;
> > }
> >
> > _
> >
> >
>
> --
> Vojtech Pavlik
> SuSE Labs, SuSE CR
>
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