5.1 PAE testing results: 2 panics

[Cagle, John (ISS-Houston)]

> -----Original Message-----
> From: Jake Burkholder [mailto:jake at locore.ca] 
> >  panic: kmem_malloc(4096): kmem_map too small: 96624640 total 
> > allocated
> > 
> > I tried lowering kern.maxvnodes from 536130 (default) to 
> 200000, but 
> > that did not alleviate the panic.
> 
> Can you try reducing this by half again to 100,000 and see if 
> that helps things?  Increasing the amount of available kva 
> with options KVA_PAGES may also work, but finding the right 
> limits for vnodes is a better solution.  Note that the values 
> for KVA_PAGES are doubled with PAE, eg 512 gives you the 
> standard 3G user/1G kernel split.

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?

Thanks,
John
--------------------------------
John Cagle     john.cagle at hp.com
Principal Member Technical Staff
   Industry Standard Servers
    Hewlett-Packard Company