Have you tried rebooting? That error message usually happens when cygwin requests resouces from windows and fails.
If you upgraded from a version prior to 7.4.2 then it is looking for the cygserver service to be running and in your path.
Mike
>
> On Tue, Sep 21, 2004 at 10:38:43AM +1000, Klint Gore wrote:
> > I had the latest cygwin postgres (as of yesterday) working when I went
> > home last night and this morning I cant start the postmaster. I cant
> > think of anything that changed.
> >
> > $ uname -a
> > CYGWIN_NT-5.0 kgb 1.5.11(0.116/4/2) 2004-09-04 23:17 i686 unknown unknown Cygwin
> >
> > $ postmaster --version
> > postmaster (PostgreSQL) 7.4.5
> >
> > cygserver starts and stays running. last night it was a process and
> > thats how I started it this morning. in trying to work out what's
> > happening, i've installed the service now.
> >
> > $ /usr/sbin/cygserver --version
> > cygserver: (cygwin) 1.10
> > API version 1.5.11(0.116/4/1)-(3.0.0.2) 2004-09-04 23:17
> > Copyright 2001, 2002, 2003 Red Hat, Inc.
> > Compiled on Sep 4 2004
> >
> > when I try to start the postmaster using
> > pg_ctl -D /usr/local/pgsql/data -l /var/log/pgsql/logfile start
> > it just exits straight away.
> >
> > with normal logging the log file is empty. with debug5 i get the envion
> > dump followed by
> > DEBUG: -----------------------------------------
> > DEBUG: found "/usr/bin/postgres" using argv[0]
> > DEBUG: invoking IpcMemoryCreate(size=17776640)
> >
> > config file is default except for (log settings added today after trying
> > to start failed; this install is just a tempory test so fsync=false is
> > acceptable)
> > tcpip_socket=true
> > shared_buffers=2000
> > fsync=false
> > log_min_messages=debug5
> > log_min_error_statement=debug5
> >
> > initdb was run yesterday with --locale=C
> >
> > if I run "postmaster -D /usr/local/pgsql/data" i get the same invoking
> > ipcmemorycreate followed by "Bad system call"
> >
> > Any ideas?
> >
> > klint.
> >
> > +---------------------------------------+-----------------+
> > : Klint Gore : "Non rhyming :
> > : EMail : kg(at)kgb(dot)une(dot)edu(dot)au : slang - the :
> > : Snail : A.B.R.I. : possibilities :
> > : Mail University of New England : are useless" :
> > : Armidale NSW 2351 Australia : L.J.J. :
> > : Fax : +61 2 6772 5376 : :
> > +---------------------------------------+-----------------+
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 9: the planner will ignore your desire to choose an index scan if your
> > joining column's datatypes do not match