how to increase stacksize?

Anton Shterenlikht mexas at bristol.ac.uk
Mon Apr 4 20:10:46 UTC 2011


On Mon, Apr 04, 2011 at 09:00:16PM +0100, Mark Blackman wrote:
> 
> On 4 Apr 2011, at 20:50, Anton Shterenlikht wrote:
> 
> [snip]
> > 
> > I'd like to increase stacksize.
> > How do I do this?
> > 
> > "limits -s xxx" doesn't set the limits,
> > any anyway, in /etc/login.conf I get:
> > 
> > So where do my shell settings come from?
> 
> stacksize is ultimately a kernel limit, and the hard
> maximum is visible with 
> 
> sysctl kern.maxssiz
> 
> set 'kern.maxdxiz' in your /boot/loader.conf and reboot
> if you're already hitting the hard limit.
> 
> - Mark

Mark, thank you.

kern.maxssiz: 268435456
kern.maxdsiz: 1073741824
kern.maxtsiz: 1073741824

Is the second limit datasize?

What is the 3rd limit?

Is this documented anywhere?
I can't seem to find it here:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/configtuning-kernel-limits.html

Many thanks
Anton

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423


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