Please don't top-post.

On Thu, 21 Feb 2019, Jorge Augusto wrote:

> Dear Alan,
> I've already tried it before and this failure only occurs with mouses
> and keyboards

Those are probably the only low- or full-speed devices you have.  The 
fact that the problem occurs with more than one type of device tends to 
indicate that it really is a hardware bug.

Alan Stern

> On Thu, Feb 21, 2019 at 3:59 PM Alan Stern <st...@rowland.harvard.edu> wrote:
> >
> > On Thu, 21 Feb 2019, Jorge Augusto wrote:
> >
> > > Dear Alan Stern,
> > > thanks for the reply
> > >
> > > Yes, that's the error I'm getting in the three kernel versions I've 
> > > mentioned.
> > > I've already tested without irqpoll setting as Oliver mentioned in
> > > last email and I'm still getting the same error
> > > However, if I unbind and bind ochi-pci the usb mouse starts work again
> >
> > Unbinding and then rebinding ohci-pci resets the controller.
> >
> > > Do you know if  there's any test that I can do to be sure that it's a
> > > bug in the hardware?
> >
> > You could try plugging in some other low- or full-speed device instead
> > of (or along with) the mouse and see if the same failure still occurs.
> >
> > Alan Stern

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