On Mon, Jul 03, 2006 at 12:20:33AM -0700, Miles Lane wrote:
> Hello,
> 
> I have looked at the list of supported devices and find that the
> serial port on the F5U012 doesn't show up.  I have tried hooking up
> the device, and get a message that /dev/ttyUSB0 has been created.  The
> mct_u232 driver gets associated with it.  However, when I try to set
> the device characteristics with stty, I get "usb 1-2.4: stty timed out
> on ep0out len=1/1"

stty does not always work with usb-serial drivers.  Try minicom instead.

> Also, I see no information passed through to minicom running on a
> debugging machine.  I am attampting to set up a kernel debugging
> arrangement.  My HP Pavillion (dv1240us) lacks a serial port.  I don't
> know whether it is actually possible to get the kernel to associate
> the console with /dev/ttyUSB0.  In the meantime, I am now attempting
> to get netconsole working.
> 
> Any idea whether:
>     1)  I can assist getting the F5U012 serial port working?  I am a
> tester, not a coder.

Load the driver with:
        modprobe mct_u232 debug=1
and send us the kernel debug log messages for when you try to use the
device.

>     2)  It is possible to set up the console to dump info to /dev/ttyUSB0?

Yes, but I would not recommend it.  Only do it as a last result, with a
device that you know already works properly with Linux.

thanks,

greg k-h

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