Am Dienstag 31 Juli 2007 schrieb A. Kalten:
> On Tue, 31 Jul 2007 13:00:38 -0400
> "A. Kalten" <[EMAIL PROTECTED]> wrote:
> >
> > But after compiling 2.6.23-rc1 and undergoing the same steps
> > with the usb modem as before, the problem remains. The only
> > difference is that the command "rmmod uhci-hcd" now reports
> > the message "Killed" instead of "Device busy."
> >
>
> For whatever it's worth.I should point out that this problem
> only occurs when using the USB Abstract Control Model driver
> for USB modems (i.e. the cdc_acm module). When using my
> USB scanner or USB printer I can unload the uhci-hcd module
> without any problem using the equivalent procedure.
acm uses two interfaces for one driver which is pretty rare and explains
that a refcounting problem is not seen with other drivers.
Regards
Oliver
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