"Ed L." <pgsql@xxxxxxxxxxxxx> writes: > After a reboot (and usually after an OS patch) on our HP-UX 11.23 > 64-bit Itanium DB servers, our libpq/DBD::Pg libraries cease to > work. Instead, they give the standard message you get when the > DB cluster is not running. Try ktrace'ing the client to see what it's doing at the kernel-call level. (I think HPUX's equivalent is just called "trace" btw.) regards, tom lane