FreeBSD 1.x Binaries Work Except under Chroot

[Konstantin Belousov]

On Wed, Aug 15, 2012 at 05:32:03PM -0400, Dan Plassche wrote:
> On Mon, Aug 13, 2012 at 9:28 PM, Julian Elischer <julian at freebsd.org>
> wrote:
> 
> > you will also have to change PID_MAX (spelling?) to be 60000
> > I have considered making this a tunable..
> > If you don't then the shell in the 1.1.5.1 environment will not be able to
> > handle when a child
> > get s a pid of > 16 bits and it will not be able to wait on it. so it will
> > suspend for ever.
> > teh result is that you can not complete  a "make world".
> 
> The shell hangs as you described on "make world" when the PID
> hits 32768.  Looks like this was the old limit and things changed
> around release 3.
> 
> I went to recompile the kernel with "define PID_MAX 30000" in
> /usr/src/sys/sys/proc.h and got a new build error that I'm still
> trying to resolve:
> 
>      In file included from /usr/src/sys/sys/buf.h:258,
>                  from /usr/src/sys/i386/i386/genassym.c:47:
> 
>      /usr/src/sys/sys/proc.h:670: error: expected '=', ',', ';',
>      'asm' or '__attribute__' before 'PID_MAX'
> 
>      /usr/src/sys/sys/proc.h:769: warning data definition has no
>      type or storage class
> 
>      /usr/src/sys/sys/proc.h:769: warning: type defaults to 'int'
>      in declaration of 'pidhashtbl'
> 
>      *** Error code 1
> 
> Line 670 in proc.h is the define PID_MAX line.  I have the
> feeling I may be missing something obvious here, but I haven't
> been able to sort out the problem.

Since you did not provided exact diff of your change, I cannot comment
on what goes wrong. Anyway, just merge the r239301 locally and use
sysctl kern.pid_max.
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