On Thu, 4 May 2006, Olaf Hering wrote:

>  On Tue, May 02, Alan Stern wrote:
> 
> > As for 2.6.16...  Can you log in without using the keyboard (say over 
> > ssh)?  If you can, then use usbmon to trace what's happening with the 
> > keyboard.  Maybe rmmod usbhid and modprobe usbhid while you're 
> > monitoring, so we can see the keyboard initialization sequence.
> 
> So what does that tell me (curent Linus tree)?
> In this boot, I pressed space, one space appears, then the kbd is dead.
> Or in another case, I press space for a second, then release it. But
> spaces keep coming out of the keyboard.

This shows that without the blacklist entry for the IBM keyboard, the 
usbhid driver sends a GET_REPORT request.  Lots of HID devices are known 
to choke on these requests; that's why there are so many blacklist entries 
with HID_QUIRK_NOGET.

Alan Stern



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