http://www.perlmonks.org?node_id=1079664


in reply to Re^5: fetchall_arrayref({}) call freezing
in thread fetchall_arrayref({}) call freezing

As I said. Sometimes you have to stop all processes using ODBC before the tracing takes effect. Other than that I've no idea why you cannot get a trace file. It does sort of stink a bit that something else may be wrong on this machine.