On Mon, Jan 16, 2012 at 10:47:53AM -0800, Stephen Hemminger wrote:
> On Mon, 16 Jan 2012 10:46:52 -0800
> Greg KH <gregkh@xxxxxxx> wrote:
>
> > On Mon, Jan 16, 2012 at 10:37:24AM -0800, Stephen Hemminger wrote:
> > > When using USB serial console, there is an infinite loop on shutdown.
> > > The console fills with the error message:
> > > ttyUSB0 - error submitting urb: -22
> > >
> > > It seems that writing the error message is causing the error, which
> > > cause the message, which causes the error, ...
> > > The following is needed to avoid the infinite loop.
> >
> > Ick.
> >
> > > Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxx>
> > >
> > > --- a/drivers/usb/serial/generic.c 2012-01-10 10:56:58.667176726 -0800
> > > +++ b/drivers/usb/serial/generic.c 2012-01-16 09:37:26.754919670 -0800
> > > @@ -217,8 +217,6 @@ retry:
> > > clear_bit(i, &port->write_urbs_free);
> > > result = usb_submit_urb(urb, GFP_ATOMIC);
> > > if (result) {
> > > - dev_err(&port->dev, "%s - error submitting urb: %d\n",
> > > - __func__, result);
> >
> > How about we switch this to dev_dbg()? "Normal" users will never see
> > this then. Will that work for you?
> >
> > thanks,
> >
> > greg k-h
>
> That works as well.
Ok, I'll queue that up after 3.3-rc1 is out.
thanks,
greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
