Re: Repeated USB disconnect and reconnect with Wacom Intuos3 6x11 tablet

From: Oliver Neukum
Date: Thu Dec 15 2005 - 13:02:30 EST


Am Donnerstag, 15. Dezember 2005 17:31 schrieb Greg KH:
> > Could it be that the usb driver doesn't check for a connect status change
> > while there's a process reading /dev/input/{mouse,event}? so that I do not
> > see these disconnects while reading the tablet data?
>
> No, it's an electronic signal happening on the USB hub, the hub notifies
> the kernel when a disconnect happens, it has nothing to do with the
> driver connected to the actual device.
>
> So I really think that this is an electronic issue, sorry.  Can you
> return this device and get a replacement one?

We start the URB on open and stop it on close. Is it possible that
Windows keeps it on all the time and we have a device that is so
broken it cannot cope with anything else?

Regards
Oliver
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