On Sun, 1 May 2011, Adi J. Sieker wrote:

On 01/05/11 09:53, Oliver Neukum wrote:

quoted

Am Samstag, 30. April 2011, 22:23:05 schrieb Adi J. Sieker:

quoted

Hello,

the lovely folks from #kernelnewbies suggested I write this mail since
they are at a loss.
I recently got a new USB keyboard which works fine in the BIOS and also
in VBox Windows guests, but not on the host.

The keyboard is a Keysonic KSK-8003 UX product details here:
http://maxpoint.de/de/products/keyboards.php?pid=1_3_7&we_objectID=1220

The menu key and the backspace keys do work. The num lock led is on,
though I can't switch num lock off.
If I attch the keyboard to a VirtualBox VM running WindowsXP as a guest,
it works as expected in the VM.

This indicates that it is working on the USB level.

quoted

I'm running 2.6.32-27-generic #49-Ubuntu. I tried the Ubuntu 10.10
LiveCD and that also didn't work. I haven't tried 11.04 yet though.

Do you get anything on the event device? What does udev say when you
plug in the device?

...

one thing I found out is that this keyboard has some special anti 
ghosting function for some keys. Where you can press multiple keys 
simultaneously
and they are all recognized. This is apparently great for gaming. Which 
I'm not interested in...

Something else that might help is a usbmon trace showing what happens 
when you plug in the keyboard.  Instructions are in the kernel source 
file Documentation/usb/usbmon.txt.  In particular, while running the 
test try pressing some of the normal keys that don't work.

Also, it would help to see the output from "lsusb -v" for this device 
-- but you'll have to unbind it from the usbhid driver first.

Alan Stern

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