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    SubjectRe: USB EHCI Problem with Low Speed Devices on kernel 2.6.11+
    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.


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      Last update: 2005-08-29 01:19    [W:0.018 / U:5.616 seconds]
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