Re: [parisc-linux] Re: gsyprf11 and 2.6.13-rc3-pa1

[James Bottomley <James.Bottomley@SteelEye.com>]

On Fri, 2005-08-12 at 23:02 -0600, Grant Grundler wrote:
> I expect this is the difference...I need to use the same g++ version.
> Does someone want to hack a small test program that consumes
> stack space until it bombs out becuase of the ulimit?

Here's a test program that does this:

#include <stdio.h>

char *stack_base_estimate;

void
recurse(void)
{
	char a[256];

	memset(a, '\0', sizeof(*a));
	printf("Estimating stack consumed 0x%lx\n",
	       (unsigned long)(a - stack_base_estimate));
	recurse();
}

int
main(int argc, char *argv[])
{
	char b;

	stack_base_estimate = &b;
	printf("Estimating stack base at 0x%p\n", stack_base_estimate);
	recurse();
	return 0;
}
		
But the results are as expected (on 2.6.13-rc6-pa1):

jejb@raven> ulimit -a
core file size        (blocks, -c) 0
data seg size         (kbytes, -d) unlimited
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) unlimited
max memory size       (kbytes, -m) unlimited
open files                    (-n) 1024
pipe size          (512 bytes, -p) 8
stack size            (kbytes, -s) 8192
cpu time             (seconds, -t) unlimited
max user processes            (-u) unlimited
virtual memory        (kbytes, -v) unlimited
jejb@raven> a.out
Estimating stack base at 0x0xc0114548
Estimating stack consumed 0x80
[...]
Estimating stack consumed 0x7fefc0
Estimating stack consumed 0x7ff100
Segmentation fault

James


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