On Tue, 15 Nov 2005, Kevin Grittner wrote: > I got the error log working on Windows (with redirect_stderr). I had > to stop and restart postgres to do so. I ran the query (for the fourth > time), and it completed successfully. Strange - the phyiscal read for the 2nd, 3rd, 4th time should be the same, if we intent to think of the IO presure. > > Is there anything that anyone wants me to do at this point, to try > to pin down a cause, or do I drop it here? > Since you can reproduce the error with big chance, I think it is a good chance to pin down a cause now. It would be useful to know the GetLastError() instead of a tranlated errno. Can you patch the code like this (patch smgrread()): http://archives.postgresql.org/pgsql-bugs/2005-10/msg00050.php Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend