Miles Lane wrote:
>
> On Sat, 15 Apr 2000, Roman Weissgaerber wrote:
>
> > This looks like a failure that Deti Fliegl has reported to me
> > also on an Athlon-Board.
> > The HCD sometimes reads the wrong number of root-hub-ports (up to 255 or
> > more).
> > And the io mapaddress in line 1363 of usb-ohci is calculated by
> > a baseaddress and the port-number.
> > So if the number of ports is to large the io mapaddress might be wrong.
> > Hmm, I have to find out why the read of the number of root hub ports
> > fails.
>
> I currently have the ORB drive plugged into a LinkSys 4-port hub
> that is plugged into one of the two USB ports on the back of my
> machine. The HCD inside my computer is OHCI. When the HCDs are
> scanned, both are reported as having four ports. Matt Dharm has
> mentioned seeing this before, where a machine's internal HCD,
> when scanned, is reported to have more ports than are exposed on
> the back of the machine. I'm not sure if that has anything to do
> with why this particular OOPS is occuring, though.
>
> I suppose I could remove the LinkSys and simply plug the ORB into
> one of the machine's USB ports and see if that helps.
>
No the failure that Deti told me has a more dynamic nature. Sometime
during
operation the HCD reads the wrong number of ports.
Roman
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