On Tue, May 01, 2007 at 10:41:10AM -0400, Rick Macklem wrote: > > > On Tue, 1 May 2007, Peter Schuller wrote: > > >>This does seem to eliminate the problem here too. > > > >It appears the problem persists, but is more difficult to trigger. > [stuff snipped] > >It takes on the order of several hours to trigger it. > > I don't know if it relevent, but I've seen "kmem_map: too small" panics > when testing my NFSv4 server, ever since about FreeBSD5.4. There is no > problem running the same server code on FreeBSD4 (which is what I still > run in production mode) or OpenBSD3 or 4. If I increase the size of the > map, I can delay the panic for up to about two weeks of hard testing, > but it never goes away. I don't see any evidence of a memory leak during > the several days of testing leading up to the panic. (NFSv4 uses > MALLOC/FREE extensively for state related structures.) Sounds exactly like a memory leak to me. How did you rule it out? > So, I'm wondering if maybe there is some subtle bug in MALLOC/FREE (maybe > i386 specific, since that's what I test on)? That would be unlikely. Kris
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