ucom serial bug?
Hans Petter Selasky
hselasky at c2i.net
Thu Dec 4 09:51:24 PST 2008
On Thursday 04 December 2008, Mike Tancsa wrote:
> At 02:33 PM 12/3/2008, Gabor wrote:
> >everything works fine. When we try to use a USB to serial
> >converter(type doesn't matter, UFTDI or Prolific) we run into
> >problems. The first time we start up our side, everything
> >works. The second time we don't get carrier(DCD). The other side
> >is always running. Since we have no control
>
> Also tried with the usb2 development stack, and we never see carrier.
>
> Id Refs Address Size Name
> 1 20 0xc0400000 9f8014 kernel (/boot/kernel/kernel)
> 2 1 0xc4b95000 3000 usb2_serial_ftdi.ko
> (/boot/kernel/usb2_serial_ftdi.ko)
> 3 5 0xc4b99000 36000 usb2_core.ko (/boot/kernel/usb2_core.ko)
> 4 1 0xc4c56000 4000 usb2_serial.ko (/boot/kernel/usb2_serial.ko)
> 5 1 0xc4cb4000 a000 usb2_controller_uhci.ko
> (/boot/kernel/usb2_controller_uhci.ko)
> 6 2 0xc4cbe000 3000 usb2_controller.ko
> (/boot/kernel/usb2_controller.ko)
> 7 1 0xc4d50000 d000 usb2_controller_ehci.ko
> (/boot/kernel/usb2_controller_ehci.ko)
>
Hi,
I think this event is not implemented in the driver. Try to diff the NetBSD
and FreeBSD uftdi.c files.
--HPS
More information about the freebsd-usb
mailing list