Date: Thu, 04 Dec 2008 11:15:28 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: hselasky@c2i.net Cc: freebsd-usb@FreeBSD.org Subject: Re: ucom serial bug? Message-ID: <20081204.111528.1723218601.imp@bsdimp.com> In-Reply-To: <200812041853.35539.hselasky@c2i.net> References: <4936DF1D.8000405@sentex.net> <200812041720.mB4HKdJP017318@lava.sentex.ca> <200812041853.35539.hselasky@c2i.net>
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In message: <200812041853.35539.hselasky@c2i.net>
Hans Petter Selasky <hselasky@c2i.net> writes:
: 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.
I have some diffs in my inbox from someone that was trying to
implement modem control for uftdi chips. Let me see if they make
sense...
Warner
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