Re: Maximum number of processes in Linux

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linux-os (Dick Johnson) wrote:
Yep....

#include <stdio.h>
#include <signal.h>
int main()
{
     unsigned long i;
     for(i = 0; ; i++)
     {
         switch(fork())
         {
         case 0:		// kid
 	pause();
         break;
         case -1:	// Failed
         printf("%lu\n", i);
             kill(0, SIGTERM);
             exit(0);
         default:
             break;
         }
     }
     return 0;
}

Shows a consistent 6140.
Doesn't work here.  Without ulimit, I wasn't surprised
about the resulting OOM mess.
Problem was, it never stopped.  I expected OOM to kill
this program, and quite possibly lots of other running programs
as well.  What I got, was ever-rolling OOM messages
with stack traces inbetween. 2.6.18-rc4-mm1 never recovered and had to be killed by sysrq.

Helge Hafting



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