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Re: B20: serial ports status?
- To: cygwin at sourceware dot cygnus dot com
- Subject: Re: B20: serial ports status?
- From: Chris Faylor <cgf at cygnus dot com>
- Date: Thu, 23 Mar 2000 12:49:52 -0500
- References: <OFF66E7B4C.0E56CD89-ONC12568AB.00355C77@pemstar.nl>
- Reply-To: cygwin at sourceware dot cygnus dot com
On Thu, Mar 23, 2000 at 11:00:26AM +0100, Rene.Affourtit@pemstar.nl wrote:
>In november 1998 there was a question regarding "gdb serial
>cross-debugging" (
>http://sourceware.cygnus.com/ml/cygwin/1998-11/msg00297.html )
>
>1: Has anyone succesfully talked to the arm-Angel using a serial line and
>using b20? If so what version of gdb /angel did you use?
Serial I/O in b20 is broken.
>2: Have these problems been solved in any of the snapshots? if so which
>one?
There is apparently a problem with an interaction between the arm-Angel
and cygwin. It is strange in that no other targets are reported to be
affected. This is true of recent snapshots, also.
Sorry. I would like to have someone debug and fix this problem but the
current state is that there is no fix. Well... actually someone here
did create a DLL that seemed to work around the problem but I don't think
that it actually solved anything. They just compiled the cygwin select.cc
file with -g rather than with "-O2 -g".
Christopher Faylor
Cygwin Engineering Manager
Cygnus Solutions, a Red Hat company
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