Am Mittwoch, 10. Januar 2007 21:38 schrieb Pavel Machek:
> Hi!
>
> > > usb 2-1: new full speed USB device using uhci_hcd and address 68
> > > usb 2-1: USB disconnect, address 68
> > > usb 2-1: unable to read config index 0 descriptor/start
> > > usb 2-1: chopping to 0 config(s)
> >
> > Does anybody know a legitimate reasons a device should have
> > 0 configurations? Independent of the reason of this bug, should we disallow
> > such devices and error out?
>
> It is not bad device, btw, but extremely flakey connector. Bug is
> random :-(, and machine is smp, so it might even be a race.
With that config option, there's a race even on UP. probe() can
sleep.
Regards
Oliver
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