On Wed, Jun 12, 2002 at 06:44:47PM +0200, Philipp Meier wrote:
> On Tue, Jun 11, 2002 at 10:07:35PM -0500, Adam Majer wrote:
> > On Thu, May 16, 2002 at 10:32:06AM -0700, A.J. Rossini wrote:
> > > >>>>> "tony" == tony mancill <[EMAIL PROTECTED]> writes:
> > > 
> > >     tony> For both cases, would it possible to post the kernel version of the 
>test
> > >     tony> box?  Maybe it's part of the equation.
> > > 
> > > (I actually did, privately, to Bill, forgot to cc the list).
> > > 
> > > I'm running 2.4.18, on a dual P2 1.0 Ghz box, 512Mb/2Gb swap.
> > > 
> > > turns out it might be a process limit problem.  
> > 
> > 
> > Yes. By deafault the max number of threads is set to 320. Well, at least on my
> > 486 box. On Athlon I have it as 8k.
> > 
> > 
> > /proc/sys/kernel/threads-max
> > 
> > 
> > If it says it can't fork, then it is threads-max that's the problem.
> 
> It even might be the shell, my standard debian zsh e.g. limits the
> number um threads to 256:
> 
> billy@farpoint:~/ > ulimit -u
> 256
> 
> It might help to set it higher:
> 
> billy@farpoint:~/ > ulimit -u 8192

ulimit is very useless. At least that's my opinion. The hadlimit for 2.2.x kernels
is set in include/linux/tasks.h in the kernel source. The think is NR_TASKS which I
think is set to 512. There is also 2 lines below that might be interresting ie. the
ordinary user can only make NR_TASKS/2 no matter what umit is.

- Adam


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