Re: try KMGUARD

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Paul Goyette <paul%whooppee.com@localhost> wrote:
> > Debugging such memory corruptions is difficult.  Can you try running
> > with KMGUARD enabled?  See the bottom of kmem(9) man page how to enable
> > it.
> >
> > One might need to try different depth levels as the system can run out
> > of memory very quickly.  This requires 64-bit machine, e.g. amd64 (i386
> > would run out of KVA) with lots of RAM.
> 
> I will see what I can do here.  The qemu test environment runs with 
> fairly limited memory (only 128M) so I suspect that will need to be 
> (drastically?) increased?  (My host has 32GB of real RAM but not sure 
> how much qemu can support.)

Are you able to try to reproduce on a real hardware?  Resource usage by
KMGUARD is very severe.  It might not even boot with 128 MB.

-- 
Mindaugas