Quoting Oren Laadan ([EMAIL PROTECTED]):
> Basic checkpoint-restart [C/R]: v8 adds support for "external" checkpoint
> and improves documentation. Older announcements below.
The following test-program seems to reliably trigger a bug. Run it in a
new set of namespaces, i.e.
ns_exec -cmpiuU ./runme > /tmp/o
then control-c it. The second time I do that, I get the dcache.c:666
BUG().
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/syscall.h>
#define __NR_checkpoint 333
int main (int argc, char *argv[])
{
pid_t pid = getpid();
int ret;
close(0); close(2);
ret = syscall (__NR_checkpoint, pid, STDOUT_FILENO, 0);
if (ret < 0)
perror ("checkpoint");
else
printf ("checkpoint id %d\n", ret);
sleep(200);
return (ret > 0 ? 0 : 1);
}
-serge
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