gdb-5.1 : attach does not work

[Ranjan Parthasarathy]

I tried attaching to a already suspended process and the attach fails. The 
error reported is as follows. This works fine in gdb 4.18.

-----------------------------------------------------------------------------
GNU gdb 5.1
Copyright 2001 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 "i686-pc-linux-gnu"...
(gdb) attach 197
Attaching to program: /scsi0/fierysys, process 197
Child process unexpectedly missing: No child processes.

Program terminated with signal ?, Unknown signal.
The program no longer exists.
(gdb) 
----------------------------------------------------------------------------

system in use : glibc 2.1.3 , kernel 2.2.14/19

Thanks

Ranjan