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Gilbert, > Yes, in terms of the same operating system. But, this is also happening at > another company I know of. Both run CentOS 6.7. And yet, this has not > happened on weather or weather2. Maybe there is a specific expression that > is causing this? If so, is there any way to trace it? Not really. Like I said, I tested the regular expression and the relevant string 10,000 time with regexec(1). I suspect the bug only occurs in the context of a running pqact(1). :-( > Gilbert Regards, Steve Emmerson Ticket Details =================== Ticket ID: YPB-836540 Department: Support LDM Priority: Normal Status: Closed