Hi Steven,
On Sun, 20 Mar 2011 20:49:35 +0800 you wrote:
>
> If someone could point me in the right direction it would be much
> appreciated.
>
Well, I don't know whether this is the right direction, but...
> Mar 19 18:20:30 stomp kernel: drivers/usb/serial/ftdi_sio.c:
> ftdi_set_termios Turning off hardware flow control
> Mar 19 18:20:30 stomp kernel: drivers/usb/serial/ftdi_sio.c:
> update_mctrl - DTR LOW, RTS LOW
There was a change to ftdi_sio at 2.6.36 that erroneously set the wrong
hardware flow control state when flow control is turned off. It's been
fixed since, but I don't know whether that was included in the first
2.6.38 or whether it was patched later. I did a nasty kludge of calling
ioctl ( SerHnd, TIOCMBIS, &value );
as a work-around when I ran up against this.
Cheers,
Rob
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