On Mon, 25 Jun 2007, Alan Stern wrote:

> These logs look correct.  The difference might have something to do with 
> the timing of the USB messages relative to the keystrokes.  Or maybe the 
> keyboard itself has some weird 2-second timer.

Hi Alan,

thanks for looking at it. I have tried with two different keyboards, both 
behave in the very same way - i.e. on OHCI, or when connected through 1.1 
hub to UHCI, everything works nicely. Only when connected directly to UHCI 
root hub, the keystrokes are lost if pressed within that 2-sec period, 
etc.

I'd be inclined to rule out purely keyboard issue here.

I'll put some printk()s into the uhci root hub code to understand better 
what is going on. If you have any idea, please let me know.

Thanks,

-- 
Jiri Kosina

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