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    SubjectRe: pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28
    Greg KH wrote:
    > On Mon, Jun 12, 2006 at 04:06:22PM -0400, Mark Lord wrote:
    >> pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28
    >>
    >> The pl2303 serial port is part of a USB1.1 Hub/dock device,
    >> plugged into a USB2 port on my notebook.
    >
    > Known issue for years. Either plug it directly into the USB 2.0 root
    > hub, or disable the ehci driver.
    >
    >> I get the same failure again when trying to use the port with Kermit.
    >> This device was working fine here not long ago -- on the -rc5 kernels I
    >> think.
    >
    > It's a flaky thing.
    >
    > Also, look in the -mm tree, there is a fix for this direct error, and
    > hopefully some ehci fixes that enable the whole thing to work properly.

    I found this fix in -mm: gregkh-usb-usb-rmmod-pl2303-after-28.patch
    It did *not* fix the problem.

    Any other candidates available?

    Thanks
    -
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