GDB using Angel error on an OKI board

["Charles-Henri Balet" <charles-henri@bluewin.ch>]

Hello,

I'm using an OKI developpement board with the OKI ML671000 processor, this
is provide with an
ARM SDT 2.50 software and an ARM Angel 1.20 in the flash memory on the
board, when I use
the ARM Debugger with an angel link, all work fine in 9600 or 19200, the
message in the console
box at the start is the next :

Angel Debug Monitor V1.20 (ARM Ltd unreleased) for ML671000 CPU Board(OKI)
Built for ARM7TDMI Serial(x1), IRQ
Unreleased build Mar 14 2000
Serial Rate:   9600

all operation with memory, registers ... work fine with this debugger.

My problem is with arm-elf-gdb 5.1.1, when I start the software, the board
don't response any time
the next lines show how I start the link with the Angel on the OKI board :

$ arm-elf-gdb
GNU gdb 5.1.1
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "--host=i686-pc-cygwin --target=arm-elf".
(gdb) set remotebaud 9600
(gdb) target rdi com1
RDI_open: undefined error message, should reset target
RDI_open failed

(gdb) target rdi com1
Unexpected read on channel 4, length 192                                //
for each reset, I obtain this message
Unexpected read on channel 4, length 192
Unexpected read on channel 4, length 192

the only message back are this line that appear on each time I press on the
reset button.

more info, when I start other command like this :

I use cygwin under windows 2000 pro, the answer of the command "uname -a" is
:

CYGWIN_NT-5.0 CHARLES-HENRI 1.3.9(0.51/3/2) 2002-01-21 12:48 i686 unknow

the answer of the two command "arm-elf-gdb -v" and "arm-elf-gdb -nw" is the
same is:
GNU gdb 5.1.1
Copyright 2002 Free ....
This GDB was configured as "--host=i686-pc-cygwin --target=arm-elf"

many thanks for your help

have a nice day

balet charles-henri