[ltp] empty keyboard adapter holds built-in keyboard for ransom

[Shannon McMackin]

That cable may actually have some logic in it similar to a dock. Is it
a USB to PS/2 Y-cable or all USB?  What brand?

On 9/4/09, jidanni@jidanni.org <jidanni@jidanni.org> wrote:
> I plug in my two-pronged adapter here on Debian, dmesg says:
> input: Generic USB K/B as
> /devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0/input/input8
> generic-usb 0003:13BA:0017.0002: input,hidraw1: USB HID v1.10 Keyboard
> [Generic USB K/B] on usb-0000:00:1d.1-2/input0
> input: Generic USB K/B as
> /devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.1/input/input9
> generic-usb 0003:13BA:0017.0003: input,hidraw2: USB HID v1.10 Mouse [Generic
> USB K/B] on usb-0000:00:1d.1-2/input1
>
> The "funny" thing is that I only have a mouse attached to that adapter.
> No keyboard, as I intend to just use my Thinkpad's built in keyboard.
>
> So I start xdm, and voila: I either have to
> 1. Go to town to buy a keyboard to attach to that adapter, or
> 2. Unplug the adapter, and cold reboot via the power button, as there is
> no way xdm will listen to any key on the keybord... no leaving the xdm
> login screen via ALT CTRL F1 etc.
>
> Why can't xdm accept input from all devices at once like it usually
> does?
>
> Why does plugging in this certain adapter mean that the built-in
> keyboard is disabled! Why can't the "clit"^H^H red button pointer and
> additional USB mouses also still continue working at the same time?
>
> /var/log/Xorg.0.log says:
> (II) The server relies on HAL to provide the list of input devices.
> 	If no devices become available, reconfigure HAL or disable AllowEmptyInput.
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>

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