Tom Lane wrote: > Magnus Hagander <magnus@xxxxxxxxxxxx> writes: >> On Fri, Jan 12, 2007 at 09:47:55AM -0500, Tom Lane wrote: >>> No, I didn't claim that Windows AV software is bug-free ;-). What I >>> said was that I'm not certain it's related to the "permission denied" >>> reports, as opposed to other problems. Or are your stack traces >>> specifically for "permission denied" failures? > >> I have at least two cases specifically for the permission denied >> failures in postgres. > > Actually, it could still be the same problem, with the AV software only > involved to the extent that it's trying to scan files for viruses. > That could result in the AV code holding a table file open for a little > bit (or not such a little bit, if it's a big table) after it's nominally > been deleted, and that's exactly the situation we see checkpoints > failing in. Partially the same, but I've seen AV software keeping it open for hours... Basically until reboot. //Magnus