Am Di, den 16.03.2004 schrieb Oliver Neukum um 15:14:
> > The very very simple solution to this is to extend the
> > HUB_DEBOUNCE_TIMEOUT in hub.c to something extraordinarily long, like
> > 1500 instead of the now set 400.
> > I understand that this is non standard.
> > I also understand that the Linux USB development effort tries to keep to
> > the standard as close as possible - a quite noble goal.
> It is a timeout. We meet the standard if we take longer. We must not wait
> less time than the standard prescribes but we can already take longer, khubd
> is not real time.

:) Good to hear!

> [..]
> > I am not subscribed to the USB-devel mailinglist so please CC to my
> > email when replying.
> Do you have devices which reliably can be made to work with this change?

Yes!
Especially older Bluetooth CSR chips seem to suffer from this problem. I
once had a Brainboxes Bluetooth USB adapter which did exactly this and
now have got a Fujitsu-Siemens Lifebook (notebook) with builtin
Bluetooth. Both can be made to work 100% reliably (and no other error or
warning message!) with the above mentioned change (400 -> 1500).

>       Regards
>               Oliver
CU
  nils faerber

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