Date: Mon, 23 Nov 2009 22:10:08 GMT From: Corey Smith <csmith@bonddesk.com> To: freebsd-usb@FreeBSD.org Subject: Re: usb/140810: 8.X+ uftdi copy and paste problem / tty overflow Message-ID: <200911232210.nANMA8cc063848@freefall.freebsd.org>
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The following reply was made to PR usb/140810; it has been noted by GNATS.
From: Corey Smith <csmith@bonddesk.com>
To: Hans Petter Selasky <hselasky@c2i.net>
Cc: "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org>,
"freebsd-gnats-submit@freebsd.org" <freebsd-gnats-submit@freebsd.org>
Subject: Re: usb/140810: 8.X+ uftdi copy and paste problem / tty overflow
Date: Mon, 23 Nov 2009 17:04:27 -0500
On Mon, 2009-11-23 at 16:01 -0500, Hans Petter Selasky wrote:
> Your issue looks like a hardware issue. Does the following patch help?
>
> ==== //depot/projects/usb/src/sys/dev/usb/serial/uftdi.c#16 -
> src/sys/dev/usb/serial/uftdi.c ====
> @@ -165,7 +165,7 @@
> .endpoint = UE_ADDR_ANY,
> .direction = UE_DIR_OUT,
> .bufsize = UFTDI_OBUFSIZE,
> - .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
> + .flags = {.pipe_bof = 1,},
> .callback = &uftdi_write_callback,
> },
>
Your patch worked.
FWIW: This patch also works:
# diff -u sys/dev/usb/serial/uftdi.c.orig sys/dev/usb/serial/uftdi.c
--- sys/dev/usb/serial/uftdi.c.orig 2009-11-23 16:48:01.000000000 -0500
+++ sys/dev/usb/serial/uftdi.c 2009-11-23 17:54:23.000000000 -0500
@@ -93,7 +93,7 @@
#define UFTDI_IBUFSIZE 64 /* bytes, maximum number of bytes per
* frame */
-#define UFTDI_OBUFSIZE 64 /* bytes, cannot be increased due to
+#define UFTDI_OBUFSIZE 63 /* bytes, cannot be increased due to
* do size encoding */
enum {
Is there a way to fix this so USB-16COM-RM will work properly in a -RELEASE again?
-Corey Smith
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