> Can you provide usbmon traces showing what happens when the mouse is > plugged in to an OHCI controller and when it is plugged in to an EHCI > controller? Instructions are in Documentation/usb/usbmon.txt. > > Alan Stern > > Absolutely. Ahh, I'm not really sure if I should send them as attachments to this message or not, so I've decided to put them up on a paste site. Please let me know if you want them here instead. Here's that same mouse (Zowie EC1 eVo) plugged into a [native ehci] port on the board which hands it off to ohci: http://pastebin.com/auM1MavY And here it is when plugged into an external USB hub on one of the same ports, which causes it to use the ehci driver instead: http://pastebin.com/1r7BQSBw -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html