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From: Rasputin <rasputin@submonkey.net>
To: freebsd-stable@freebsd.org
Cc: dl@leo.org
Subject: Re: autotuning kernel vars
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* Daniel Lang <dl@leo.org> [020205 13:15]:

> I've just built a new kernel for a just upgraded box to
> 4.5-STABLE. I've included 
> 
> NMBCLUSTERS=0 and
> NBUF=0
> 
> to try the auto-sizing feature as documented in LINT

LINT also says if they're unset it will autosize them.

> real memory  = 1610596352 (1572848K bytes)
> Physical memory chunk(s):
> 0x00001000 - 0x0009efff, 647168 bytes (158 pages)
> 0x003a1000 - 0x5fff3fff, 1606758400 bytes (392275 pages)
> kmem_suballoc: bad status return of 1.
> panic: kmem_suballoc

> Now, what I remember it may have to do with some 
> of the tunings failing. I also have maxusers=512
> (but this caused no problems until now).

maxusers will autoscale too - and that works.
Maybe there's some kind of conflict between the 3 tweakables that's 
making the kernal a sad panda?

My advice would be to unset all 3 (set maxusers=0 if you insist),
and report the bugs in LINT.

-- 
Quigley's Law:
	Whoever has any authority over you, no matter how small, will
atttempt to use it.
Rasputin :: Jack of All Trades - Master of Nuns ::

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