Date: Fri, 23 May 2003 08:39:49 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: "Cagle, John (ISS-Houston)" <john.cagle@hp.com> Cc: current@freebsd.org Subject: Re: 5.1 PAE testing results: 2 panics Message-ID: <3ECE40C5.143C3054@mindspring.com> References: <C50AB9511EE59B49B2A503CB7AE1ABD10440E531@cceexc19.americas.cpqcorp.net>
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"Cagle, John (ISS-Houston)" wrote: > I have gone as low as 10,000 for kern.maxvnodes, and it still > Panics with "kmem_map too small". How low should I go? > > I also built a kernel with KVA_PAGES set to 512 and it paniced > the same way (without changing kern.maxvnodes). When I also > changed maxvnodes to 100,000, then the system hung instead of > panicing... > > Anything else I can try? Keep in mind I'm running SMP. Should > I try it with a UP kernel? I posted where to hack the auto-tune stuff already; try it, and let us know. I'm convinced that you are getting the "kmem_map too small" panic because, in fact, the kmem_map is too small for the values you are trying to tune the system to use, using the auto-tuning feature, since it sees all the memory (per your posting of your dmesg). -- Terry
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