usbd_io

usbd_io is returning error code 0x8300, what does it mean?

  • Mario

Mario Charest <mcharest@nozinformatic.com> wrote:

usbd_io is returning error code 0x8300, what does it mean?

It means that the vendor/control request timed out/failed. BTW,
usbd_io shouldn’t be returning values like this. I will make
sure the next ddk fixes the return values.

On 30 Apr 2001 11:18:46 GMT, Kevin Chiles <kchiles@qnx.com> wrote:

Mario Charest <> mcharest@nozinformatic.com> > wrote:


usbd_io is returning error code 0x8300, what does it mean?

It means that the vendor/control request timed out/failed. BTW,
usbd_io shouldn’t be returning values like this. I will make
sure the next ddk fixes the return values.

You mean it should stick with errno standard values?

Mario Charest <mcharest@nozinformatic.com> wrote:

On 30 Apr 2001 11:18:46 GMT, Kevin Chiles <> kchiles@qnx.com> > wrote:

Mario Charest <> mcharest@nozinformatic.com> > wrote:


usbd_io is returning error code 0x8300, what does it mean?

It means that the vendor/control request timed out/failed. BTW,
usbd_io shouldn’t be returning values like this. I will make
sure the next ddk fixes the return values.

You mean it should stick with errno standard values?

Yes.