Subject: Re: usb EIO return w. DIAGNOSTIC
To: Wolfgang Rupprecht <>
From: Lennart Augustsson <>
List: tech-kern
Date: 02/20/2001 22:21:16
Wolfgang Rupprecht wrote:

> (Lennart Augustsson) writes:
> > Well, the device might be broken too, but ugen must have messed things
> > up for pipeh to become NULL (or my brain is messed up :).
> I think I have figured out what is going on from the user's side to
> trigger this.  The two usages that cause the kprintf are:
>         * Write endpoints don't like the short-xfer ioctl.

Because it makes no sense. :)  ugen should detect it and complain,
regardless of DIAGNOSTIC.

>         * Control endpoints don't like the timeout ioctl.

This is a ugen bug.

    -- Lennart