On Tue, 23 Jan 2007, Florin Iucha wrote:
> > It would be nice to learn exactly why the keyboard stopped working. Try
> > using the usbmon facility (instructions in Documentation/usb/usbmon.txt)
> > to see what happens when you type on the dead keyboard. Be sure to turn
> > on CONFIG_USB_DEBUG as well. And also check /proc/interrupts; each time
> > you hit a key the USB controller should get an interrupt.
>
> Attached is the output from usbmon, unfortunately this kernel did not
> have CONFIG_USB_DEBUG set. This is kernel 2.6.20-rc5.
>
> So, the bus sees some traffic when the keyboard is used, but gdm does
> not receive any keystrokes.
So it's possible that the USB drivers are working correctly but the
keystrokes are getting lost somewhere in the X server. Can you switch to
a VT (or kill the X server entirely) and see if the keyboard works then?
Alan Stern
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