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    SubjectRe: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early usb debug port support.
    On Thu, Dec 07, 2006 at 07:48:17PM -0800, Lu, Yinghai wrote:
    > With Greg's USB Debug, host and target can talk.
    > target with console=ttyUSB0,115200n8

    Ugh, no, never use the usb-serial driver as a console device.

    That was a bad hack done as a bet many years ago. For many obvious
    reasons it does not work well.

    > host with cat /dev/ttyUSB0
    > But if use minicom in host, it will not show '\r', I guess the usb debug
    > cable eat return char. Greg, Can you add that back in usb_debug by
    > replacing '\n' with '\r', '\n'?

    The usb-serial console code should handle this, I thought we fixed it a
    while ago.

    But this kind of interface is not what these devices are good for. They
    are for the debug port information, not as a usb-serial console device.
    Otherwise they are way too expensive of a device...

    thanks,

    greg k-h
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