Re: keyboard doesn't work with acpi on lenovo s10-3c

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On Sun, Nov 28, 2010 at 11:30:58AM +0300, Boris Savelev wrote:
> Thanks for reply Dmitry!
> 
> 2010/11/28 Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>:
> > Hi Boris,
> >
> > On Sat, Nov 27, 2010 at 08:28:51PM +0300, Boris Savelev wrote:
> >> Hello!
> >>
> >> When I run linux on my netbook lenovo s10-3c -- keyboard doesn't work!
> >> keyboard works perfectly in bios, in grub (or lilo), in windows, but
> >> not in linux.
> >> I try linux kernel 2.6.35, 2.6.36, 2.6.37-rc2 -- no way. keyboard doesn't work
> >> I upgrade BIOS up to 3CCN13WW. keyboard doesn't work
> >> All keys are disabled, numlock, capslock... It's seems like keyboard
> >> haven't power.
> >> with Google I find topic [1] where solution is add to kernel opts
> >> 'noapic acpi=off' -- Viola! keyboard work. But battery state,
> >> powersaving, powerbutton and other usefull things doesn't work.
> >> So this is not a workaround...
> >
> > The keyboard seems to get detected but is silent afterwards...  Does the
> > touchpad work by default?
> 
> Touchpad always work.
> 
> >
> > Could you try a few kernel options: acpi=noirq, pci=noacpi, i8042.reset
> > and i8042.nomux please?
> 
> acpi=noirq -- kernel panic
> pci=noacpi -- kernel panic
> i8042.reset=1 -- kbd doesn't work
> i8042.nomux=1 -- kbd doesn't work
> 
> combination of these options also doesn't help.
> 
> Need screenshots of kernel panic?

Might be interesting but not much.

If you plug an external USB keyboard and do:

	echo -n "reconnect" > /sys/bus/serio/devices/serio0/drvctl

or

	echo -n "rescan" > /sys/bus/serio/devices/serio0/drvctl

after booting does it revive the keyboard? Also, what does
/proc/interrupts look like?

Thanks.

-- 
Dmitry
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