On Fri, 18 Feb 2005, Cedric Pellerin wrote:

> Hi,
> 
> Just a little mail to tell you I found a (ugly) way to have all my usb 
> 2.0 keys well recognized by kernel. Before I had a lot of errors and my 
> keys were recognized about once on ten times. I just add a little delay 
> in drivers/usb/core/hub.c (after line 2147 for 2.6.10 kernel) with a 
> msleep(1000); and now everything works pretty well. I think that usb 2.0 
> keys need some time to have stable communication established.
> 
> I hope this help.

Thank you.  A similar patch, but with only a 10 ms delay, has been 
accepted for 2.6.11.  Is msleep(10) long enough for your keys to work?

Alan Stern



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