Messages in this thread | | | Date | Mon, 29 Aug 2005 00:16:50 +0100 | From | James Courtier-Dutton <> | Subject | Re: USB EHCI Problem with Low Speed Devices on kernel 2.6.11+ |
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Dominik Wezel wrote: > Problem > ======= > When turning on the laptop and during POST and GrUB loading, all ports > on the hub are enabled. During the USB initialization phase, when the > hub is detected, shortly all ports become disabled, then turn on again > (uhci_hcd detects the lo-speed ports). Upon initialization of ehci_hcd > however, the ports are disconnected again (for good): >
Use uhci_hcd or ehci_hcd, but never both at the same time. ehci_hcd will work with all lo-speed ports, so uhci_hcd is then no needed.
James
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