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Bug#252962: Installation report -- failure with USB flash drive



On Mon, Jun 07, 2004 at 10:07:15PM -0400, Joey Hess wrote:

| > > It's in pci.ids, but it is not in the discover1-data database, or in
| > > usb-discover.

Ahh.

| > > You said that you loaded both ehci-hcd and usb-ohci by hand, and
| > > it seems to me you should only need one; so which is it, ohci or
| > > ehci?
| > 
| > Although Cameron may only actually need one for this particular device,
| > it's apparently usual to have an EHCI controller doing USB 2.0 and a
| > companion controller, OHCI or UHCI, doing USB 1.0.

That's correct.  My particular USB drive works with just EHCI, but
most other USB devices I have (e.g. mouse, camera) are USB 1 and want
OHCI.

| That makes sense, but then we still need to know which is which for
| completness. THe /proc/bus/pci/devices output should tell us.

The 10de0067 is OHCI and 10de0068 is EHCI.

Cameron.

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